Motorola MC68360 User manual

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Errata and Added Information to
MC68360 Quad Integrated Communication
Controller User's Manual Rev 1
MC68360
 MOTOROLA, 1995
Microprocessor and Memory
Technologies Group
SEMICONDUCTOR PRODUCT INFORMATION
January 8, 1998
This document describes the latest information and changes to the first revision of the
MC68360 user’s manual.
Section 2 – Signal Descriptions
1. QUICC Functional Signal Groups.
On page 2-2, Figure 2-1, the signal names in the left column had a typo. The corrections for
the typo are in the right column.
As seen on page 2-2 Correction
A31-A27/WE3-WE0 A31-A27/WE0-WE3
SDACK2/L1TSYNCB/CTS3/PC8 SDACK2/L1TSYNCB/CTS3/PC8
L1RSYNB/CD3/PC9 L1RSYNB/CD3/PC9
SDACK1/L1TSYNCA/CTS4/PC10 SDACK1/L1TSYNCA/CTS4/PC10
L1RSYNCA/CD4/PC11 L1RSYNCA/CD4/PC11
2. Error on TRIS
On page 2-4, Table 2-1, the function description of TRIS stated that it is sampled during
system reset. This is not true. The TRIS signal is always sampled except during reset.
3. Missing Note.
On page 2-8, section 2.1.7.2 the following note should be added:
NOTE
User should note that the pin AVEC/IACK5 is always an open
drain output.
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2 MC68360 USER’S MANUAL ERRATA MOTOROLA
4. MC68040 Companion Mode Bus Cycle Note.
On page 2-14, section 2.2, add the following note after the second paragraph:
NOTE
In MC68040 companion mode, the QUICC understands
MC68040-type bus cycles but cannot generate them. If the
QUICC becomes busmaster, e. g. for SDMA transfers, it will
drive normal MC68030-type bus cycles with TT1 becoming DS
again. This should normally be no problem since the MC68040
does not interpret these input signals, but external circuitry han-
dling these signals must be aware of this fact.
Section 3 – Memory Map
1. Dual port RAM MAP
Onpage3-3,Table3-1indicatesthattheaddressrangeDPRBASE+700toDPRBASE+BFF
can be used for User data / BDs. This is not true. The address range 700-7FFF can be used
for User data / BDs but address range 800-BFFF is reserved.
2. Missing Underline in Table.
On pages 3-5 through 3-10, Tables 3-3 and 3-4, the following entries should have been
underlined.
RSR, CSR1, SDSR, CSR2, CIPR, CISR, TER1, TER2, TER3,
TER4, SCCE1, SCCE2, SCCE3, SCCE4, SMCE1, SMCE2,
SPIE
3. Missing Bold face in Table.
On pages 3-5 through 3-10, Tables 3-3 and 3-4, the following entries should have been in
bold face.
All entries in Table 3-3, ICCR, SDCR, PAPAR, PCPAR, TGCR,
RCCR, PBPAR.
Section 4 – Bus Operation
1. Byte Write Enable.
On page 4-5, section 4.1.8 the following sentences:
“The equations of the byte write enables for 32-bit port (16BM = 1) are as follows”
“The equations of the byte write enables for 16-bit port (B16M = 0) are as follows:”
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MOTOROLA MC68360 USER’S MANUAL ERRATA 3
are not correct, the correct text is below.
“The equations of the byte write enables for 32-bit port (DPS/SPS set to 32 bit) are as
follows:”
“The equations of the byte write enables for 16-bit port (DPS/SPS set to 16 bit) are as
follows:”
Also in the same section the first sentence of the note:
“Note that the WE signals are not affected by dynamic bus sizing.” is not correct and should
be removed.
2. Error in slave mode bus arbitration diagram.
On page 4-56, figure 4-38 an arrow head and text was missing.
The line top line between “QUICC waiting for bus, BR asserted” and “IDLE” state should
have an arrow head facing the IDLE state.
Also on the same figure, the Idle state should have a test of “BG Negated” under the text of
“BR Negated”.
3. Power on reset operation
On page 4-65, the note “User should make sure the ramp up time of Vcc never be faster
than 4mSec to ensure proper power on reset sequence. “This restriction has been removed
and the note should be deleted.
NOTE for Rev C.0
Due to a problem with Revision C.0 of the QUICC (masks
0E63C and 0F15W), a 4ms minimum Vcc ramp-up specification
was added. Characterization of Revision C.1 QUICCs (masks
1E68C and 0E68C) has demonstrated that this specification is
no longer necessary.
Users of Revision C.0 QUICCs should remain aware of this po-
tential problem source. Revision C.0 QUICCs used in systems
with very fast ramp-up times may experience problems at pow-
er-on reset. When the problem occurs, the QUICC never comes
out of reset and no bus activity occurs (similar to latch-up, but
without the high current drain). If the problem occurs, the only
solution is powering the device down and reapplying power (i.e.
another power-on reset).
Hardware reset (RESETH) will not solve the problem.
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4 MC68360 USER’S MANUAL ERRATA MOTOROLA
Section 5– CPU32+
1. Error in figure
On page 5-3, the data bus on figure 5-1 shows the data bus to be 16 bit. This is not correct,
the data bus on the QUICC™ is 32 bit wide.
Section 6 – System Integration Module
1. Added Information On Crystal Operation.
On page 6-13 the following sections should be added:
6.5.1.1 Using Oscillator as Input Clock
The preferred mode of operation of the 68360 is by driving the EXTAL pin with the output of
an oscillator. Oscillators are more costly than crystal circuits but are not subject to the same
sensitivity as crystal circuits. You have the choice of using a full speed oscillator (i.e. 25 MHz
oscillator) or using a lower speed oscillator such as 4 MHz or 32 kHz and having the system
frequency generated by the on-board PLL. Use of a lower speed oscillator will allow your
system to draw less power in a power-down mode.
NOTE
There are some limits to the speed of the oscillator that you can
use in certain situations. Please see Additional Information:
Phase Lock Loop for a description of these special situations.
6.5.1.2 Using Crystal as Input Clock
The 68360 has the ability to use a low speed crystal as its clock source. The on-chip PLL
can multiply the output of the crystal circuit up to the final system frequency. A crystal circuit
consists of a parallel resonant crystal, two capacitors, and two resistors. Example values for
both a 32kHz crystal and a 4MHz crystal are shown in Figures 6-6 and 6-6A. Note that these
are example values. Your circuit may require slightly different values to operate properly.
Crystals are typically much cheaper than similar speed oscillators. However, they may not
be as stable since they are affected by parameters such as: trace length, component quality,
board layout, 68360 package type, 68360 shrink level, etc. While crystal circuits are typically
stable, it is impossible to guarantee that they will remain stable due to 68360 process
changes or external component shifts.
NOTE
The internal frequency of the 68360 and the output of the CLKO
pins is dependent upon both the quality of the crystal circuit and
themultiplication factor (MF) used in the PLLCRregister.Please
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MOTOROLA MC68360 USER’S MANUAL ERRATA 5
see Additional Information: Phase Lock Loop for a description of
the PLL performance.
Also on page 6-14 the following figure should be added.
Figure 6-6A External Components for 4.192MHz
1. Missing Text.
On page 6-16, section 6.5.5.1, the following sentence should be added to the end of the
paragraph:
In the case where MODCK0-1 is 10, then SPCLK = EXTAL/128.
2. Error on Configuration Pins.
On page 6-19, Section 6.5.8, the last sentence states that the MODCK1-0 pins have an
internal pullup during reset. This is not correct and the sentence should be removed.
3. Missing Text.
On page 6-30, section 6.9.3.1, the note “SUPERVISOR ONLY” should appear below the
MCR register.
EXTAL
CRYSTAL
OSCILLATOR
XTAL XFC PIN VCCSYN
XFC
390nF
0.01 µF
0.1 µF
NOTE:
1. Must be low-leakage capacitor. See Section 10 Electrical Characteristics for recommended values.
2. Values are for 4.194MHz crystal and may vary due to capacitance on PCB.
47pF 56pF
10 M
1K
1
CLKO1
CLOCK
GENERATION CLKO2
VCCCLK
GNDCLK
0.1 µF
GNDSYN
VCCSYN
CRYSTAL 2
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6 MC68360 USER’S MANUAL ERRATA MOTOROLA
4. Typo on Reset Status Register.
On page 6-34, section 6.9.3.3, the 2nd bit of the register should be a reserved bit, not LOC.
Also the description of LOC in the following page should be removed.
5. Typo on SYPCR.
On page 6-35, section 6.9.3.5, the reset value for bits SWT1 and SWT0 were wrong. The
correct value for both bits is MODCK1.
6. Typo on PITR.
On page 6-36, section 6.9.3.7. The reset value for bits SWP and PTP were wrong. The
correct value for both bits is MODCK1.
7. Error in Text.
On page 6-36, section 6.9.3.5, the word EXTALDIV should be replaced with SPCLK.
8. Typo on Register Default.
On page 6-37, section 6.9.3.5, the description for DBFE and BME was not correct. The
correct descriptions are as follows:
DBFE—Double Bus Fault Monitor Enable
0 = Disable the double bus fault monitor function. (Default)
1 = Enable the double bus fault monitor function.
For more information, see 6.3.1.2.3 Double Bus Fault Monitor and Section 5 CPU32+.
BME—Bus Monitor External Enable
0 = Disable bus monitor function for the external bus cycles. (Default)
1 = Enable bus monitor function for the external bus cycles.
For more information see 6.3.1.2.1 Bus Monitor.
9. Typo on BKCR.
On page 6-47, section 6.9.3.13, the following statement, “NEG is ignored if the MA bits are
00" where NEG bit is described is not correct and should be removed.
10. Addition of note on External master support.
On page 6-57, section 6.11.7, the following note should be added after the first paragraph.
NOTE
The MC68EC040 and MC68040 type master is not supported
when the QUICC is configured to a master mode.
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MOTOROLA MC68360 USER’S MANUAL ERRATA 7
11. Corrections for RCNT—Refresh Counter Period Description.
On page 6-64, section 6.13.1, make the following corrections:
a) ‘RFCNT’ in the equation should be ‘RCNT’.
b) ‘24 (decimal)’ in the example should be ‘23 (decimal)’.
c) ‘24 / (25 MHz / 16)’ in the example should be ‘(23 + 1) / (25 MHz / 16)’.
12. Typo on Global Memory Register.
On page 6-65, section 6.13.1, the following should replace the definition of PGS2-PGS0:
PGS2–PGS0—Page Size
This attribute determines the page size and AMUX for the DRAM controller (see Table 6-
9). For multiplexing information see Table 6-8 on page 6-59. The page size is the smallest
DRAM size the user needs to support page mode capability.
Delay Write QUICC Bit Definition.
On page 6-66, section 6.13.1, the description of the DWQ bit was not clear. The bit definition
should be replaced as follows:
DWQ—Delay Write for QUICC (DRAM Bank Only)
This attribute is used to add a clock to the assertion and negation of the CAS signal on
DRAM page hit write cycles. The write cycle lasts one additional clock in this case. This
attribute is applicable to an internal QUICC master and to an external MC68030/QUICC.
0 = Reads and writes are the same length.
1 = Add one clock to write cycles for DRAM banks.
NOTE
This bit must be set by the user if page mode is enabled for this
DRAM bank (PGME = 1), and when a zero wait state DRAM is
implemented by setting TCYC to be zero. If this is not done the
DRAM may latch invalid data during writes.
Table 6-9. DRAM Page Size
DRAM Size PGS2-PGS0 Address Lines Compared
for Page Hit or Miss # Address/Page in Page Compare
128k 000 A10-25(32), A9-25(16) 256 Addresses
256k 001 A11-25(32), A10-25(16) 512 Addresses
512k 010 A11-25(32), A10-25(16) 512 Addresses
1M 011 A12-25(32), A11-25(16) 1024 Addresses
2M 100 A12-25(32), A11-25(16) 1024 Addresses
4M 101 A13-25(32), A12-25(16) 2048 Addresses
8M 110 A13-25(32), A12-25(16) 2048 Addresses
16M 111 A14-25(32), A13-25(16) 4096 Addresses
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8 MC68360 USER’S MANUAL ERRATA MOTOROLA
13. External MC040 type cycle (SRAM)
The following table should be placed after the table 6-11 on page 6-67.
14. Missing Note on Parity.
On page 6-71, section 6.13.3, the note below should be added after the note under the
definition of parity checking enable:
Parity is not supported with external assertion of DSACK or TA.
15. Error in note on CSNT40.
On page 6-72, the note on the top of the page states that SYNC bit must be set for CSNT40
function to take effect. This is not true. Regardless of the setting of SYNC bit CSNT40 will
take an effect.
16. Missing Statement on BACK40.
On page 6-72, the description of the BACK40, for the zero case, the following statement
should be added:
“The QUICC will assert TBI on an access to this memory area”.
17. Error in Note at TRLXQ.
On page 6-72, the 3rd note under TRLXQ-Timing Relax:
“User should avoid setting both TRLXQ and CSNTQ = 1, when TCYC = 0. This combination
will result in a bus cycle without CS assertion.” is not correct and should be removed.
18. Missing NOTE.
On page 6-74, bits 3 and 2 of the option register should have an asterisks. Also on the
bottom of the page the following note should be added.
External MC68040 Type bus
cycle Length
TCYC = TSS40=0 TSS40=1
023
134
245
356
467
578
689
…
15 17 18
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MOTOROLA MC68360 USER’S MANUAL ERRATA 9
NOTE
The default setting of bits 3 and 2 for option register 1 is deter-
mined by the settings of configuration pin.
19. Error in Table 6-14.
On page 6-77, The last column heading on Table 6-14 has an error. The heading should be:
“Number of clocks (DRAM)” not “Number of Wait States (DRAM)”
Section 7 – Communication Processor Module
1. Global advisory concerning Buffer Descriptor status bits.
The user is responsible for clearing (writing a zero) any buffer descriptor (RxBD or TxBD)
status bits set by the communication processor.
2. Deletion of STP bit.
On page 7-26, section 7.6.2.1. The STP bit in the ICCR was designed to conserve power
when IDMA was not in use. This function has been removed due to erratic behavior. The
user must keep this bit clear. Bit 15 of ICCR is now reserved.
3. Error in note.
On page 7-33, the note under section 7.6.3 Interface Signals should be as follows.
NOTE
DREQ must be level sensitive if IDMA uses buffer chaining or
auto buffer mode.
4. Wrong section number.
On page 7-34, the last sentence on the page "7.5.2.5 Timer Capture Register..." The section
was not correct. The correct section number is 7.6.2.5.
5. Wrong table reference.
On page 7-35, first sentence in section 7.6.4.2.1 reference, table 7-2. This should be table
7-3.
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10 MC68360 USER’S MANUAL ERRATA MOTOROLA
6. Error in sentence.
On page 7-40, Section 7.6.4.4.3 The last sentence in the first paragraph. " If DREQX is
negated long enough for the IDMA to win the bus, cycles will continue as long as DREQx is
asserted and no higher priority bus master or interrupt occurs." This sentence should be
replaced with. " If DREQX is asserted long enough for the IDMA to win the bus, cycles will
continue as long as DREQx is asserted and no higher priority bus master requests the bus
or interrupt occurs."
7. Missing paragraph in IDMA.
On page 7-41, section 7.6.4.4.3. The following paragraph should be added after point 6.
7. If the IDMA is being used in auto-buffer or buffer-chaining mode, the DREQ signal
will not be sampled at the S3 sampling time. It will be sampled after the RISC CP
has reconfigured the IDMA with the information contained in the next buffer de-
scriptor.Thus, you should continually assert DREQuntilyoureceivea DACK when
using buffer chaining mode or auto-buffer mode.
Also on page 7-43 the following paragraph should be added after point 3.
4. You may not use cycle steal mode if you are using buffer-chaining or auto-buffer
mode.
8. Error in example
On page 7-55, the third step in the buffer chaining example was printed incorrectly. The
correct step is as follows.
3. FCR1 = $89. Destination function code is 1000; Source function code is 1001.
9. Error in SDMA Bus Arbitration and Bus Transfers
On page 7-57, the first sentence of the last paragraph should read ‘…but the SDMA always
reads words (16 bits).’
10. Error in Programming the SI RAM Entries.
On page 7-72, section 7.8.4.5, the bit order of SSEL1-SSEL4 is not represented correctly.
The correct representation is as follows:
Bit 13 -> SSEL4
Bit 12 -> SSEL3
Bit 11 -> SSEL2
Bit 10 -> SSEL1
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MOTOROLA MC68360 USER’S MANUAL ERRATA 11
11. Error in Signal Name.
OnPage7-73, section 7.8.4.5, the four strobe signal namesL1STA1, L1STA2,L2STB1, and
L1STB2 in the SSEL1-SSEL4 should be replaced with L1ST1, L1ST2, L1ST3, and L1ST4.
12. Typo in SI Mode Register.
On page 7-81, section7.8.5.2, the bit definition of Grant Mode for TDM A or B has a typo and
should be replaced with the following text:
“1 = IDL mode. A GRANT mechanism is supported if the corresponding GR1-GR4 bits
in the SICR register are set. The grant is a sample of the L1GRx pin while
L1TSYNCx is asserted. This GRANT mechanism implies the IDL access controls
for transmission on the D channel. Refer to 7.8.6.2 IDL Interface Programming.”
13. Typo on Time Slot Assigner Examples.
On pages 7-83 to 7-85, the acronym for frame sync delay was printed incorrectly. The
correct acronym is FSD, not SFD.
14. Typo in SI Status Register.
On page 7-87, section 7.8.5.5, first paragraph, second sentence, “The value of this register
is valid only when the corresponding bit in the SIGMR is clear.” The acronym SIGMR should
have been SICMR.
15. Errata and missing note in GSMR
On page 7-113, the note under the description of CDP was not clear and should be replaced
with the following.
NOTE
This bit must be set if this SCC is used in transparent mode and
must be cleared when used and non-transparent mode.
The same note should be added below the description of CTSP.
16. Clarification of TDCR—Transmit Divide Clock Rate Description.
One page 7-117, section 7.10.2, replace the second sentence of the TDCR description
beginning “If the DPLL is not used …” with the following:
“To bypass the DPLL, choose the 1x value, except in asynchronous UART mode where
8x,16x, or 32x still must be used.”
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12 MC68360 USER’S MANUAL ERRATA MOTOROLA
17. Missing Note on Transmission on Demand.
One page 7-121, section 7.10.5, the following note should be added at the bottom of the
page:
The first bit of the frame will typically be clocked out 5-6 bit times after TOD has been set to
one.
18. Missing Last Step for SCC Initialization.
One page 7-129, section 7.10.9, add the following last step when initializing an SCC:
15. Setup buffer descriptors including control bits as required by the respective protocol ;
clear status bits by writing with zero.
19. Missing Note on Disable Receiver while Transmitting.
On page 7-158, the following note should be added after the description of DRT bit:
User should set the preamble bit in the transmit buffer descriptor if the QUICC™ is being
used in multi-drop UART mode.
Also on page 7-158, the following note should be added after the description of SYN
(Synchronous Mode) bit.
NOTE.
RINV bit in the GSMR must be cleared if synchronous UART
mode is selected.
20. Missing bits in HDLC mode register.
On page 7-178, the following bit definition was missing from the manual.
Bit 2 – BPM (HDLC BUS Priority Mode)
This bit determines the number of idle bits needed to be counted prior to a frame trans-
mission after a successful transmission.
0 = 10 bits
1 = 9 bits
Bit 1 – BCM (HDLC BUS Collision Sense Mode)
This bit determines the sample point of collision detection.
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MOTOROLA MC68360 USER’S MANUAL ERRATA 13
0 = collision is sensed after 1/2 bit delay
(or at 3/4 bit delay if the clock duty cycle is 25%).
1 = collision is sensed after one bit delay
21. Corrections for HDLC Mode Register PSMR[DRT] Bit Description.
On page 7-179, replace the DRT—Disable Receiver While Transmitting description with the
following:
DRT—Disable Receiver While Transmitting
0 = Normal operation
1 = Reserved—not allowed in HDLC bus mode. Use address filtering to implement
the same functionality.
22. Missing boldface for HDLC RxBD control bits.
On the top of page 7-181, the E , W , I , and CM control bits of the HDLC RxBD should be
boldfaced to denote user-initialized.
23. Corrections for Transparent Event Register (SCCE).
On page 7-232, section 7.10.21.11, make the following corrections:
a) ‘RCH’ in the table should be ‘—’.
b) Reserved bits (indicated below table) should include bit 3.
c) RCH—Receive Character text description should be removed.
24. Missing Note on Ethernet Collision.
On Page 7-241, section 7.10.23.5, the following note should be added at the end of the third
paragraph:
NOTE
If an Ethernet frame is made up of multiple buffers, the user
should not reuse the first buffer descriptor until the last buffer de-
scriptor of the frame has had its ready bit cleared by the CPM.
25. Typo on MAXD1 and MAXD2 Value.
On pages 7-247 and 7-249, the manual states that the user should set this parameter to
1518 decimal. The user should instead set the parameter to 1520 decimal.
26. Wrong font on DMA_cnt.
On page 7-247, Table 7-11. The parameter DMA_cnt was printed with a bold face indicating
that the parameter should be initialized by user. This is not correct DMA_cnt does not need
to be initialized by the user and should have been in plain font.
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14 MC68360 USER’S MANUAL ERRATA MOTOROLA
27. Typo on Table 7-11.
On page 7-248, the last three entries of Table 7-11 were mistyped.The correct entries are:
28. Missing Bit in Ethernet Receive Buffer Descriptor.
On page 7-260, the figure of the receive buffer descriptor is not correct. The correct figure is:
29. Replace the DEF Explanation.
On Page 7-263, section 7.10.23.19, the DEF—Defer Indication explanation should be
replaced with the following paragraph:
This frame was deferred before being successfully sent. Deferral means that the the
transmitter had to wait for carrier sense before sending because the line was busy. This is
not an indication of a collision; collisions are indicated in the Retry Count (RC).
30. Additional Information on Using TSA for Synchronization.
On Page 7-296, section 7.11.10.7, the second paragraph from the bottom is not sufficient
and should be replaced with the following paragraph:
Once the TEN bit is set in SMCMR, the SMC waits for the transmit FIFO to be loaded before
attempting to achieve synchronization. Once the transmit FIFO is loaded, synchronization
and transmission begin according to the following conditions.
If a buffer is made ready when the SMC is enabled, then the first byte will be placed in time
slot 1 if CLSN is set to 8 and slot 2 if CLSN is set to 16.
If a buffer has its SMC is enabled, then the first byte in the next buffer can appear in any time
slot associated with this channel.
If a buffer is ended with the L-bit set, then the next buffer can appear in any time slot
associated with this channel.
SCC Base + 9E TADDR_H Word Temp Address (LSB)
SCC Base + A0 TADDR_M Word Temp Address
SCC Base + A2 TADDR_L Word Temp Address (MSB)2
OFFSET + 0 E—WI L F — M — — LGNOSHCROVCL
OFFSET + 2 DATA LENGTH
OFFSET + 4 RX DATA BUFFER POINTER
OFFSET + 6
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MOTOROLA MC68360 USER’S MANUAL ERRATA 15
31. Over bar missing in table.
On page 7-363, table 20. RTS1-2 should have an over bar but was omitted in the table.
On page 7-365, table 7-21. The following signal should have an over bar but was omitted in
the table. RTS1-2, CST1-4 and CD1-4 should all have over bar.
32. Typo on Port C Special Options.
On page 7-369, the bit definition for external request to the RISC is not supported and
should be removed from the users manual.
Section 8 – Scan ChainTest Access Port
1. Error on TRIS.
On page 8-1 the paragraph in the middle of the page below NOTE states that the TRIS pin
is sampled during system reset. This is not true and should be change to TRIS pin is always
sampled with exception to system reset.
The same errata is duplicated on page 8-11 section 8.4.5.
2. Missing Word.
On Page 8-3, section 8.3, first paragraph, third sentence:
“The XTAL and XFC pins are associated with analog signals and are not included in the
boundary scan register.” was missing the word EXTAL. The sentence should be, “The
EXTAL, XTAL, and XFC pins are associated with analog signals and are not included in the
boundary scan register.”
3. Error in Pin Name.
On Page 8-6, Table 8-2, the pin name for pins 105 and 106 was mislabeled. The pin name
CLKO0 for pin 105 should have been CLKO1 and the pin name CLKO1 for pin 106 should
have been CLKO2.
4. Error in Boundary Scan Chain in Bit Definition Table.
The scan chain is reversed in Table 8-2. PERR is cell 0 and RESETH is cell 195.
Section 9 – Applications
1. Typo in Figure 9-1.
On page 9-2, Figure 9-1, the MODCK0-1 pins are shown to be connected to Vcc. The
correct figure has MODCK0 connected to ground and MODCK1 connected to Vcc.
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16 MC68360 USER’S MANUAL ERRATA MOTOROLA
2. Inconsistent text in Clocking strategy.
On page 9-3, section 9.1.1.2. The paragraph describes the clocking strategy using a
32.768KHz crystal where the Figure 9-1 shows a 25MHz crystal oscillator set up.
To be consistent the following text should replace the text of section 9.1.1.2.
9.1.1.2 Clocking Strategy.
In this application, the system clock is generated from a 25MHz crystal oscillator
output into the QUICC. The QUICC's internal phase-locked loop (PLL) locks to
theinput, multiplies the frequency byone, and uses the 25 MHzas the result sys-
tem frequency. The PLL also multiply the clock by two and outputs a 50 MHz sig-
nal on CLKO2. Neither CLKO pin is required for the application. It is
recommended that the CLKO outputs be disabled in software to save power.
The use of a 25MHz crystal oscillator is not a requirement in the application. A
4-MHz crystal or a 32.768-kHz crystal could have been used, if desired. (See
section 6.5 for notes on crystal use.)
The QUICC clocking section allows for the clock oscillator to be kept running
through the VDDSYN pin in a power-down situation. This section does not
address low-power issues, however.
3. Typo on Configuring the Memory Controller.
On page 9-11, section 9.1.3.2, the first statement on page 9-12:
“NCS should normally be cleared”
This should be:
“NCS should normally be set”
4. Error in text.
On page 9-13, the first sentence “To configure the QUICC for 16 bit data bus...” Should be
replaced with “User should drive the 16BM pin when the QUICC™ is in reset. User should
NOT simply tie 16BM to RESETH/RESETS since PRTY3 and PRTY2 pins will be driven the
QUICC even though there are not applicable to the current bus size.
5. MC68040 Companion Mode Bus Cycle Note.
On page 9-31, section 9.4, add the following note:
NOTE
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MOTOROLA MC68360 USER’S MANUAL ERRATA 17
In MC68040 companion mode, the QUICC understands
MC68040-type bus cycles but cannot generate them. If the
QUICC becomes busmaster, e. g. for SDMA transfers, it will
drive normal MC68030-type bus cycles with TT1 becoming DS
again. This should normally be no problem since the MC68040
does not interpret these input signals, but external circuitry han-
dling these signals must be aware of this fact.
6. Error in Figure 9-8.
On page 9-33, Figure 9-8, the buffer between RESETH, RSTI, the pushbutton and
CONFIG2 should not have an inverting output; it should be a non-inverting buffer.
7. Error in Reset Strategy.
On Page 9-34, section 9.4.1.3, the first sentence “If a QUICC is configured to provide the
global chip select, it will also provide an internal power-on reset generation.” is not correct.
QUICC will provide internal power-on reset generation regardless of chip select
configuration.
8. Error in Caching Sample Code.
On Page 9-53, section 9.5.4, correct the following in the code sample:
a) ‘MOVE.L #$003FC020,D0’ should be changed to ‘MOVE.L #$003FC040,D0’.
b) ‘MOVE.L #$403FC010,D0’ should be changed to ‘MOVE.L #$403FC020,D0’.
9. Error in Figure 9-33. 1-Mbyte DRAM Bank—32 Bits Wide.
On Page 9-87, Figure 9-33, correct the following:
a) On the first MC74F157, B0-B3 should be connected to A11-A14, not A12-A15.
b) On the second MC74F157, B0-B3 should be connected to A15-A18, not A16-A19.
c) On the third MC74F157, A1 and B1 should be unused (unconnected).
d) On the third MC74F157, B0 should be connected to A19, not A20.
e) On the third MC74F157, Y1-Y3 should be unused (unconnected).
Section 10 – Electrical Characteristics
1. Missing Note on Maximum Ratings
On Page 10-1, the following note should be added to the maximum ratings figure:
3. The supply voltage Vcc must start and restart from 0.0 V; otherwise, the 360 will not come
out of reset properly.
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18 MC68360 USER’S MANUAL ERRATA MOTOROLA
2. DC ELECTRICAL SPECIFICATIONS
On Page 10-5, Figure 10-5, some specifications were incorrectly printed. The correct spec-
ifications are as follows:
3. Removal of specification on Vcc ramp.
On page 10-5,the specification tRamp has been removed. For more information see Error
in slave mode bus arbitration diagram. on page 3 of this document.
4. Typo on CLKO2 Rise and Fall Time.
On page 10-7, the specification 4A, 5A for 33MHz was printed incorrectly. The correct spec-
ification is 1.6ns max, not 2ns.
5. Error and Missing Specification.
The following table corrects errors in Table 10.9 on page 10-9.
Characteristic Symbol Min Max Unit
Input Leakage Current (All Input Only Pins except TMS, TDI, and TRST)
Vin = 0/5 V Iin -2.5 2.5 µA
Input Leakage Current (All Input Only Pins except TMS, TDI, and TRST)
Vin = 0.5/2.4 V Iin -2.5 2.5 µA
Hi-Z(Off-state)LeakageCurrent(AllNon-crystalOutputsand I/O Pins ex-
cept TMS, TDI, and TRST). Vin = 0/5 V IOZ -2.5 2.5 µA
Hi-Z (Off-state) Leakage Current (All Non-crystal Outputs and I/O Pins)
except TMS, TDI, and TRST. Vin = 0.5/2.4 V IOZ -2.5 2.5 µA
Output Low Voltage (For 3.3 volt part)
IOL = 2.0 mAA31–A0, FC3–0, SIZ0–1, D31–D0,
CLKO1–2,FREEZE, IPIPE0–1,
IFETCH, BKPTO
IOL = 3.2 mA PA0, 2, 4, 6, 8–15, PB0–5, PB8–17, PC0–11,
TDO, PERR, PRTY0–3, IOUT0–2, AVECO, AS,
CAS3–0, BLCRO, RAS0–7
IOL = 5.3 mA, DSACK0–1, R/W, DS, OE, RMC,
BG, BGACK, BERR
IOL = 7 mATXD1–4
IOL =8.9 mAPB6, PB7, HALT, RESET, BR (Output)
VOL —0.5
0.5
0.5
0.5
0.5
V
Num. Characteristic Symbol 3.3 V/5.0 V 5.0V Unit25.0 MHz 33.34MHz
Min Max Min Max
8 CLKO1 High to Address, FC, SIZ, RMC invalid tCHAZn -2 — -2 — ns
11A11 Address, FC, SIZ, RMC Valid to CSx/RASx Asserted tAVCA 30 — 22.5 — ns
13A13 CSx Negated to Address, FC, SIZ Invalid (Address Hold) tCNAI 30 — 22.5 — ns
1410,12 AS, CSx, OE, WE (and DS Read) Width Asserted tSWA 75 — 56.25 — ns
14C11,13 CSx Width Asserted tCWA 35 — 26.25 — ns
14A DS Width Asserted (Write) tSWAW 35 — 26.25 — ns
14B AS,CSx, OE, WE,IACKx (andDS Read) WidthAsserted
(Fast Termination Cycle) tSWDW 35 — 26.25 — ns
153,10,12 AS, DS, CSx, OE, WE Width Negated tSN 35 — 26.25 — ns
17A13 CSx Negated to R/W High tCNRN 30 — 22.5 — ns
18 CLKO1 High to R/W High tCHRH 3 20 3 15 ns
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MOTOROLA MC68360 USER’S MANUAL ERRATA 19
Also in the same table on page 10-11, specification 49 duplicates specification 58 and
should be removed.
Also on the same table spec 12 should not have a superscript of 12.
6. Missing Specification.
On page 10-11, Table 10.9, the following specification should be added:
7. Error on note.
On page 10-12, Note 10 and 11 indicated that RASx and RASxDD may be tied together.
This is not true. Signals RASx and RASxDD should not be tied together since it will cause
contention on the signal pins upon boot.
10. These CSx specs are for TRLX=0.
11. These CSx specs are for TRLX=1.
8. Clarification on specification.
On page 10-28, Table 10-10 specification 103 was not clear. The following clarification takes
into account page and no-page mode as well as WBTQ modes.
9. Typo on R/W Low to CASx Asserted.
On page 10-28, Table 10.10 specification 115 was printed incorrectly. The correct spec is
as follows:
20 CLKO1 High to R/W Low tCHRL 3 20 3 15 ns
20A CASxLow to R/W Low (Only in page mode and when the
load capacitance is the same on CAS and R/W Pin) tCARL 0— 0 — ns
23 CLKO1 High to Data-Out Valid tCHDO — 23 — 18 ns
23A CLKO1 High to parity Valid tCHPV — 25 — 20 ns
Num. Characteristic Symbol 3.3 V/5.0 V 5.0V Unit25.0 MHz 33.34MHz
Min Max Min Max
58B CLKO1 high to BERR, RESETS, RESETH tri-stated — 20 — 15 ns
Num. Characteristic 3.3 V or 5.0 V 5.0V Unit25.0 MHz 33.34MHz
Min Max Min Max
103A RASx Width Negated (Back to Back Cycles)
Non page mode @WBTQ=0 75 56.25 ns
103B RASx Width Negated (Back to Back Cycles)
Page mode @WBTQ=0 55 41.25 ns
103C RASx Width Negated (Back to Back Cycles)
Non page mode @WBTQ=1 115 86.25 ns
103D RASx Width Negated (Back to Back Cycles)
Non page mode @WBTQ=1 95 69.23 ns
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20 MC68360 USER’S MANUAL ERRATA MOTOROLA
10. Typo on DRAM Page-Mode Page-Hit.
On page 10-31, Figure 10-23, address valid timing for the initial access is specification 6 not
6A.
Also on same figure the Specification 8 should be removed.
Also on the same figure Specification 106 was drawn to be referenced off of the rising edge
between S0 and S1. This is not correct. The correct reference clock edge is a rising edge
between S5 and S0.
11. Error in superscript.
On page 10-33, table 10-11, The superscript on specs 130, 132, 134, 135, 142 and 144
were not correct. Specs. 130 and 132 should have no superscripts at all. Specs 134 and 135
should have a superscript of 2 only. Specs 142, 143 and 144 should have a superscript of’
2’ instead of ‘3’.
12. Typo on BGACK/BB Negation Specification.
On page 10-33 and 10-49 there are two specifications for the negation of BGACK/BB.
Specification 139 and specification 238 are not correct
needed and should be deleted. The
Figures affected are 10-25, 10-26 for 030/360 external masters and Figure
10-39 on page
10-50 for 040 external masters.
13. Error in Figure.
On pages 10-34, and 10-35, the negation timing for BCLRO is not correct. In both figures
the negation of the signal BCLRO is shown to be at the rising edge of CLKO1 where BGACK
is asserted. The signal is instead negated at the rising edge of CLKO1 where BGACK is
negated.
Also on same figures the negation delay between BR and BG, specification 136, should be
removed from the figures.
14. Missing Note on Bus Request Negation.
On pages 10-34 and 10-35, the following note should be added:
User should note that the negation timing of bus request from a slave QUICC pin may not
meet the required input specification for the QUICC in master mode. Because of this the
Num. Characteristic 3.3 V or 5.0 V 5.0V Unit25.0 MHz 33.34MHz
Min Max Min Max
115 R/W Low to CASx Asserted (Write) 52.5 40 ns
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