Motorola 56F8323 User manual

© Motorola, Inc., 2003. All rights reserved.
56F8323 Evaluation Module
User Manual
Order this document by
MC56F8323EVMUM/D
Rev 1 0, 08/04/2003
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MOTOROLA Table of Contents i
Preface
Chapter 1
Introduction
1.1 56F8323EVM Architect re . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.2 56F8323EVM Config ration J mpers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.3 56F8323EVM Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Chapter 2
Technical ummary
2.1 56F8323 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.2 RS-232 Serial Comm nications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.3 Clock So rce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2.4 Deb g LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2.5 Deb g S pport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.5.1 JTAG Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.5.2 Parallel JTAG Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
2.6 External Interr pts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
2.7 Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2.8 Power S pply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2.9 Da ghter Card Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
2.9.1 Peripheral Da ghter Card Expansion Connector . . . . . . . . . . . . . . . . . . . . . 2-13
2.9.2 Memory Da ghter Card Expansion Connector . . . . . . . . . . . . . . . . . . . . . . 2-15
2.10 Serial 10-bit 4-channel D/A Converter (Optional) . . . . . . . . . . . . . . . . . . . . . . 2-17
2.11 Motor Control PWM Signals and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
2.12 CAN Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
2.13 Software Feat re J mpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
2.14 Peripheral Expansion Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
2.14.1 PWM Port A Expansion Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
2.14.2 Serial Peripheral Interface #0 Expansion Connector . . . . . . . . . . . . . . . . . . 2-22
2.14.3 Serial Peripheral Interface #1 Expansion Connector . . . . . . . . . . . . . . . . . . 2-22
2.14.4 Serial Comm nications Port #0 Expansion Connector . . . . . . . . . . . . . . . . 2-23
2.14.5 Serial Comm nications Port #1 Expansion Connector . . . . . . . . . . . . . . . . 2-23
2.14.6 Encoder #0 / Q ad Timer Channel A Expansion Connector . . . . . . . . . . . . 2-23
2.14.7 Timer Channel C Expansion Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
Table of Contents
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ii 56F8323EVM User Manual MOTOROLA
2.14.8 FlexCAN Expansion Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
2.14.9 A/D Port A Expansion Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
2.14.10 GPIO Port A Expansion Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
2.14.11 GPIO Port B Expansion Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
2.14.12 GPIO Port C Expansion Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
2.14.13 IRQA / RESET / CLOCK Expansion Connector . . . . . . . . . . . . . . . . . . . . 2-27
2.15 Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
Appendix A
56F8323EVM chematics
Appendix B
56F8323EVM Bill of Material
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MOTOROLA List of Figures iii
1-1 Block Diagram of the 56F8323EVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-2 56F8323EVM J mper Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1-3 Connecting the 56F8323EVM Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2-1 Schematic Diagram of the RS-232 Interface . . . . . . . . . . . . . . . . . . . . . . 2-4
2-2 Schematic Diagram of the Clock Interface . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2-3 Schematic Diagram of the Deb g LED Interface . . . . . . . . . . . . . . . . . . . 2-7
2-4 Block Diagram of the Parallel JTAG Interface. . . . . . . . . . . . . . . . . . . . . 2-9
2-5 Schematic Diagram of the User Interr pt Interface . . . . . . . . . . . . . . . . 2-10
2-6 Schematic Diagram of the RESET Interface . . . . . . . . . . . . . . . . . . . . . 2-11
2-7 Schematic Diagram of the Power S pply . . . . . . . . . . . . . . . . . . . . . . . . 2-12
2-8 Serial 10-bit, 4-Channel D/A Converter . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
2-9 PWM Interface and LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
2-10 CAN Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
2-11 Software Feat re J mpers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
2-12 Typical Analog Inp t RC Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
List of Figures
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iv 56F8323EVM User Manual MOTOROLA
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MOTOROLA List of Tables v
1-1 56F8323EVM Defa lt J mper Options . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2-1 Flow Control Header Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2-2 SCI1 J mper Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2-3 RS-232 Serial Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2-4 LED Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2-5 JTAG Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2-6 Parallel JTAG Interface Disable J mper Selection. . . . . . . . . . . . . . . . . . 2-8
2-7 Parallel JTAG Interface Connector Description . . . . . . . . . . . . . . . . . . . . 2-9
2-8 Parallel JTAG Interface Voltage Selection J mper . . . . . . . . . . . . . . . . 2-10
2-9 Peripheral Da ghter Card Connector Description . . . . . . . . . . . . . . . . . 2-13
2-10 Memory Da ghter Card Connector Description. . . . . . . . . . . . . . . . . . . 2-15
2-11 D/A Header Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
2-12 CAN Signal Isolation J mper Options . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
2-13 CAN Header Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
2-14 PWM Port A Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
2-15 SPI #0 Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
2-16 SPI #1 Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
2-17 SCI #0 Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23
2-18 SCI #1 Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23
2-19 Timer A Signal Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
2-20 Timer Channel C Connector Description . . . . . . . . . . . . . . . . . . . . . . . . 2-24
2-21 CAN Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
2-22 A/D Port A Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
2-23 GPIO Port A Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
2-24 GPIO Port B Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
2-25 GPIO Port C Connector Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27
2-26 IRQA / RESET / CLOCK Connector Description . . . . . . . . . . . . . . . . . 2-27
List of Tables
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vi 56F8323EVM User Manual MOTOROLA
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MOTOROLA Preface vii
Preface
This reference man al describes in detail the hardware on the 56F8323 Eval ation
Mod le.
Audience
This doc ment is intended for application developers who are creating software for
devices sing the Motorola 56F8323 part.
Organization
This man al is organized into two chapters and two appendixes.
•Chapter 1, Introduction - provides an overview of the EVM and its feat res.
•Chapter 2, Technical Summary - describes in detail the 56F8323EVM hardware.
•Appendix A,"56F8 2 EVM Schematics" contains the schematics of the
56F8323EVM.
•Appendix B, 56F8 2 EVM Bill of Material - provides a list of the materials sed on the
56F8323EVM board.
uggested Reading
More doc mentation on the 56F8323 and the 56F8323EVM kit may be fo nd at URL:
www.motorola.com/semiconductors
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viii 56F8323EVM User Manual MOTOROLA
Notation Conventions
This man al ses the following notational conventions:
Definitions, Acronyms, and Abbreviations
Definitions, acronyms and abbreviations for terms sed in this doc ment are defined
below for reference.
Term or Value ymbol Examples Exceptions
Active High Signals
(Logic One)
No special symbol
attached to the signal
name
A0
CLKO
Active Low Signals
(Logic Zero)
Noted with an
overbar in text and in
most figures
WE
OE
In schematic drawings,
Active Low Signals may
be noted by a back-
slash: /WE
Hexadecimal Values Begin with a “$”
symbol
$0FF0
$80
Decimal Values No special symbol
attached to the
number
10
34
Binary Values Begin with the letter “b”
attached to the number
b1010
b0011
Numbers Considered positive
unless specifically
noted as a negative
value
5
-10
Voltage is often shown as
positive: +3 3V
Blue Text Linkable on-line refer to Chapter 7,
License
Bold Reference sources,
paths, emphasis
see:
http://www.motorola.com/
semiconductors
A/D Analog-to-Digital; a method of converting Analog signals to Digital
val es
ADC Analog-to-Digital Converter; a peripheral on the 56F8323 part
CAN Controller Area Network; a serial comm nications peripheral and
method
CiA CAN in A tomation; an international CAN ser’s gro p that coordinates
standards for CAN comm nications protocols
CTS Clear To Send
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MOTOROLA Preface ix
D/A Digital-to-Analog; a method of converting Digital val es to an Analog
form
DSP Digital Signal Processor or Digital Signal Processing
56F8 2 A 16-bit hybrid controller with motor control peripherals
EOnCE Enhanced On-Chip Em lation; a deb g b s and port created by Motorola
to enable a designer to create a low-cost hardware interface for a
professional-q ality deb g environment
EVM Eval ation Mod le; a hardware platform which allows a c stomer to
eval ate the silicon and develop his application
Flash Non-Volatile Random Access Memory
FlexCAN Flexible CAN Interface Mod le; a peripheral on the 56F8323 part
GPIO General P rpose Inp t and O tp t port on Motorola’s family of hybrid
controllers; does not share pin f nctionallity with any other peripheral on
the chip and can only be set as an inp t, o tp t, or level-sensitive
interr pt inp t
IC Integrated Circ it
JTAG Joint Test Action Gro p; a b s protocol/interface sed for test and deb g
LED Light Emitting Diode
LQFP Low-profile Q ad Flat Package
MPIO M lti-P rpose Inp t and O tp t port on Motorola’s family of hybrid
controllers; shares package pins with other peripherals on the chip and
can f nction as a GPIO
OnCE On-Chip Em lation, a deb g b s and port created by Motorola to allow a
means for low-cost hardware to provide a professional-q ality deb g
environment
PCB Printed Circ it Board
PLL Phase Locked Loop
PWM P lse Width Mod lation
Quad Dec Q adrat re Decoder; a peripheral on the 56F8323 part
RAM Random Access Memory
R/C Resistor/Capacitor Network
SRAM Static Random Access Memory
RTS Req est to Send
SCI Serial Comm nications Interface; a peripherial on Motorola’s family of
hybrid controllers
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x 56F8323EVM User Manual MOTOROLA
References
The following so rces were referenced to prod ce this man al:
[1] DSP56800E Reference Manual, DSP56800ERM/D; Motorola
[2] 56F8300 Peripheral User Manual, MC56F8300UM/D; Motorola
[3] 56F8323 Technical Data, MC56F8323/D; Motorola
[4] CiA Draft Rec mmendati n DR-303-1, Cabling and C nnect r Pin
Assignment, Version 1.0, CAN in A tomation
[5] CAN Specificati n 2.0B, BOSCH or CAN in A tomation
SPI Serial Peripheral Interface; a peripheral on Motorola’s family of hybrid
controllers
UART Universal Asynchrono s Receiver/Transmitter
WS Wait State
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MOTOROLA Introduction 1-1
Chapter 1
Introduction
The 56F8323EVM is sed to demonstrate the abilities of the 56F8323 and to provide a
hardware tool allowing the development of applications that se the 56F8323.
The 56F8323EVM is an eval ation mod le board that incl des an 56F8323 part,
peripheral expansion connectors, a CAN interface, an RS-232 interface, a JTAG-to-PC
Printer port interface and a pair of da ghter card connectors. The peripheral expansion
connectors and da ghter card expansion connectors are for signal monitoring and allow
expansion for ser feat res.
The 56F8323EVM is designed for the following p rposes:
• Allowing new sers to become familiar with the feat res of the 56800E
architect re. The tools and examples provided with the 56F8323EVM facilitate
eval ation of the feat re set and the benefits of the family.
• Serving as a platform for real-time software development. The tool s ite enables
the ser to develop and sim late ro tines, download the software to on-chip SRAM
or Flash, r n it, and deb g it sing a deb gger via the JTAG/Enhanced OnCE
(EOnCE) port. The breakpoint feat res of the EOnCE port enable the ser to easily
specify complex break conditions and to exec te ser-developed software at f ll
speed ntil the break conditions are satisfied. The ability to examine and modify
all ser-accessible registers, memory and peripherals thro gh the EOnCE port
greatly facilitates the task of the developer.
• Serving as a platform for hardware development. The hardware platform enables
the ser to connect external hardware peripherals. The on-board peripherals can be
disabled, providing the ser with the ability to reassign any and all of the DSP's
peripherals. The EOnCE port's nobtr sive design means that all memory on the
Processor is available to the ser.
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1-2 56F8323EVM User Manual MOTOROLA
1.1 56F8323EVM Architecture
The 56F8323EVM facilitates the eval ation of vario s feat res present in the 56F8323
part. The 56F8323EVM can be sed to develop real-time software and hardware prod cts
based on the 56F8323. The 56F8323EVM provides the feat res necessary for a ser to
write and deb g software, demonstrate the f nctionality of that software and interface
with the ser's application-specific device(s). The 56F8323EVM is flexible eno gh to
allow a ser to f lly exploit the 56F8323's feat res to optimize the performance of his
prod ct, as shown in Figure 1-1.
Figure 1-1. Block Diagram of the 56F8323EVM
1.2 56F8323EVM Configuration Jumpers
Fifteen j mper gro ps, (JG1-JG15), shown in Figure 1-2, are sed to config re vario s
feat res on the 56F8323EVM board. Table 1-1 describes the defa lt j mper gro p
settings.
56F8323
RESET
JTAG / EOnCE
SPI #0
SCI #1
Timer C
PWMA
+3 3V & GND
+3 3VA & AGND
+3 0VREF
Peripheral
Expansion
Connectors
JTAG
Connector
Parallel
JTAG
Interface
DSub
25-Pin
DSub
9-Pin
PWM LEDs
RS-232
Interface
Power Supply
+3 3V, +3 3VA, +5V &
+3 0VA
4-Channel
10-Bit D/A
SCI #0
Reset Logic
CAN Interface
Debug LEDs
CAN Bus
Header
CAN Bus
Daisy Chain
Peripheral
Daughter Card
Connector
Optional
Timer A
ADCA
QuadDec #0
FlexCAN
D/A
Header
XTAL/
EXTAL
8 00MHz
Crystal
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56F8323EVM Configuration Jumpers
MOTOROLA Introduction 1-3
Figure 1-2. 56F8323EVM Jumper Reference
Table 1-1. 56F8323EVM Default Jumper Options
Jumper
Group Comment Jumpers
Connections
JG1 Connect on-board 8 0MHz crystal input to EXTAL signal 1–2
JG2 Connect on-board 8 0MHz crystal input to XTAL signal 1–2
JG3 Enable on-board Parallel JTAG Host/Target Interface NC
JG4 Enable RS-232 output NC
JG5 Pass RXD1 & TXD1 signals to RS-232 level converter 1–2 & 3–4
JG6 Pass Temperature Diode signal to ANA7 input 1–2
JG7 Set user Jumper #0 to a 1 value 1–2
JG8 Set user Jumper #1 to a 1 value 1–2
JG9 SPI #0 Daisy Chain (Optional--not populated on board by default) NC
JG10 CAN bus termination selected 1–2
JG11 Connect Analog Ground to Digital Ground NC
JG12 Enable on-chip regulator 1–2
JG13 Pass RTS to CTS 1–2
JG14 Select +3 3V operation of on-board Parallel JTAG Host/Target Interface 1–2
JG15 Pass CAN_TX & CAN_RX signals to CAN tranceiver 1–2 & 3–4
JG6
MC56F8 2 EVM
U
J
JTAG
P2
S/N
LED
P1
Y1
U1
S2 S1 P
U9
RESET
IRQA
1
2
JG5
JG11
JG
JG7
JG4 JG1
JG5
1
JG7
3
JG4
PWMA0
PWMA1
PWMA2
PWMA
PWMA4
PWMA5
U10
JG6
JG10 J19
J10
J18
JG8
J6
J4
J16
J14
J2
J1
J5
J21
J7
J8
J17
J9
J11
J12
J1
J15
1
JG1
3
1
JG8
3
3
4
JG12
JG3
JG9
JG10 JG2
JG11
JG9
JG2
JG1
JG12
PC0
PC1
PC2
PC
PC4
PC5
1
2
JG15
3
4
JG13
1
JG14
3
J15
JG14
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1-4 56F8323EVM User Manual MOTOROLA
1.3 56F8323EVM Connections
An interconnection diagram is shown in Figure 1- for connecting the PC and the external
+12.0V DC/AC power s pply to the 56F8323EVM board.
Perform the following steps to connect the 56F8323EVM cables:
1. Connect the parallel extension cable to the Parallel port of the host comp ter.
2. Connect the other end of the parallel extension cable to P1, shown in Figure 1- ,
on the 56F8323EVM board. This connection allows the host comp ter to control
the board.
3. Make s re that the external +12V DC, 1.2A power s pply is not pl gged into a
+120V AC power so rce.
4. Connect the 2.1mm o tp t power pl g from the external power s pply into P3,
shown in Figure 1- , on the 56F8323EVM board.
5. Apply power to the external power s pply. The green Power-On LED, LED13, will
ill minate when power is correctly applied.
Figure 1-3. Connecting the 56F8323EVM Cables
PC
Cable
Parallel Extension
56F8323EVM
External
+12V
Power
P1
P3
Connect cable
to Parallel / Printer port
with 2 1mm,
receptacle
connector
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MOTOROLA Technical Summary 2-1
Chapter 2
Technical ummary
The 56F8323EVMEVM is designed as a versatile Flash-based microcontroller
development card for developing real-time software and hardware prod cts to s pport a
new generation of applications in servo and motor control; digital and wireless messaging;
digital answering machines; feat re phones; modems; and digital cameras. The power of
the 16-bit 56F8323, combined with the on-board RS-232 interface, CAN interface,
Da ghter Card Expansion interface and parallel JTAG interface, makes the 56F8323EVM
ideal for developing and implementing many motor controlling algorithms, as well as for
learning the architect re and instr ction set of the 56F8323 processor.
The main feat res of the 56F8323EVM, with board and schematic reference designators,
incl de:
• MC56F8323FG60, a 16-bit +3.3V/+2.5V processor operating at 60MHz [U1]
• 8.00MHz crystal oscillator for processor freq ency generation [Y1]
• Optional external oscillator freq ency inp t connectors [JG1 and JG2]
• Joint Test Action Gro p (JTAG) port interface connector for an external deb g
Host Target Interface [J3]
• On-board Parallel JTAG Host Target Interface, with a connector for a PC printer
port cable [P1], incl ding a disable j mper [JG3]
• On-board Parallel JTAG Host Taget Interface voltage level selector [JG14]
• RS-232 interface for easy connection to a host processor [U3 and P2], with a
disable j mper [JG4]
• RS-232 RTS and CTS signal connector [JG13]
• CAN interface for high speed, 1.0Mbps, FlexCAN comm nications [U8 and J12]
• CAN bypass and b s termination [J13 and JG10]
• CAN signal to CAN transceiver isolation connector [JG15]
• Peripheral Da ghter Card Expansion Connector, which allows the ser to attach his
own SCI, SPI, PWM, Q ad Decoder or GPIO-compatible peripherals to the
Processor [J1]
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2-2 56F8323EVM User Manual MOTOROLA
• Memory Da ghter Card Expansion Connector, which allows the ser to attach
additonal power and gro nds[J2]
• Connector which allows the ser to attach his own SCI #0 / MPIO-compatible
peripheral [J21]
• Connector which allows the ser to attach his own SCI #1 / MPIO-compatible
peripheral [J17]
• Connector which allows the ser to attach his own SPI #0 / MPIO-compatible
peripheral [J8]
• Connector which allows the ser to attach his own SPI #1 / MPIO-compatible
peripheral [J15]
• Connector which allows the ser to attach his own PWMA-compatible peripheral
[J5]
• Connector which allows the ser to attach his own CAN physical layer peripheral
[J10]
• Connector which allows the ser to attach his own Timer A / Encoder
#0-compatible peripheral [J7]
• Connector which allows the ser to attach his own Timer C-compatible peripheral
[J9]
• Connector which allows the ser to attach his own A/D port A-compatible
peripheral [J6]
• Connector which allows the ser to attach his own peripheral to GPIO Port A [J16]
• Connector which allows the ser to attach his own peripheral to GPIO Port B [J18]
• Connector which allows the ser to attach his own peripheral to GPIO Port C [J19]
• On-board power reg lation from an external +12V DC-s pplied power inp t [P3]
• Light Emitting Diode (LED) power indicator [LED13]
• Six on-board LEDs allow real-time deb gging of ser programs [LED1-6]
• Six on-board Port A PWM monitoring LEDs [LED7-12]
• Internal (OCR_DIS) Core Reg lator selector [JG12]
• Temperat re Sense Diode-to-ANA7 selector [JG6]
• Man al RESET p sh-b tton [S1]
• Man al interr pt p sh-b tton for IRQA [S2]
• General p rpose j mper on GPIO PB3 [JG7]
• General p rpose j mper on GPIO PB0 [JG8]
• Optional 4-Channel 10-bit Serial D/A, SPI for real-time ser data display [U5]
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56F8323
MOTOROLA Technical Summary 2-3
2.1 56F8323
The 56F8323EVM ses a Motorola MC56F8323FG60 part, designated as U1 on the board
and in the schematics. This part will operate at a maxim m external b s speed of 60MHz.
A f ll description of the 56F8323, incl ding f nctionality and ser information, is
provided in these doc ments:
•56F8323 Technical Data Sheet, (MC56F8323/D): Electrical and timing
specifications, pin descriptions, device specific peripheral information and package
descriptions (this doc ment)
•56F8300 Peripheral User Manual, (MC56F8300UM/AD): Detailed description of
peripherals of the 56F8300 family of devices
•DSP56800E Reference Manual, (DSP56800ERM/D): Detailed description of the
56800E family architect re, 16-bit core processor, and the instr ction set
Refer to these doc ments for detailed information abo t chip f nctionality and operation.
They can be fo nd on this URL:
www.motorola.com/semiconductors
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2-4 56F8323EVM User Manual MOTOROLA
2.2 R -232 erial Communications
The 56F8323EVM provides an RS-232 interface by the se of an RS-232 level converter,
Maxim MAX3245EEAI, designated as U3. Refer to the RS-232 schematic diagram in
Figure 2-1. The RS-232 level converter transitions the SCI UART’s +3.3V signal levels
to RS-232-compatible signal levels and connects to the host’s serial port via connector P2.
Flow control is not provided, b t co ld be implemented sing ncommitted GPIO signals
and connected to the RTS and CTS signals on JG13; see Table 2-1. The SCI1 port signals
can be isolated from the RS-232 level converter by removing the j mpers in JG5;
reference Table 2-2. The pin-o t of connector P2 is detailed in Table 2- . The RS-232
level converter/transceiver can be disabled by placing a j mper at JG4.
Figure 2-1. chematic Diagram of the R -232 Interface
.Table 2-1. Flow Control Header Options
JG13
Pin # ignal
1 RTS to Transceiver
2 CTS from Transceiver
56F8323 RS-232
Level Converter
Interface
TXD1
RXD1
R1in
T1out
T2in
R2out
FORCEOFF
JG4
6
3
2
7
8
4
5
x
1
9
+3 3V
Jumper Removed:
Enable RS-232
P2
JG13
1
2
1
2
Jumper Pin 1-2:
Disable RS-232
T1in
R1out
JG5
12
34
RTS
CTS
R2in
T2out
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