TD6301 AP
(Toshiba)
TC9147P
(Toshiba)
FUNCTIONS OF TERMINALS
Pin No.
Name
Function
Pin No.
Name
Function
1
L/D
Output status select input terminal.
Input terminal for selecting output status by
the indicator (LED, FL, LCD).
6-12
a' —g'
7-segment drive output terminal.
10 MHz-unit display at FM time.
100 kHz-unit display at AM time.
2
Data
Receiving frequency data input terminal.
Input serially by the system controller
LSI.
13,
1
a
t-
g
5
7-segment drive output terminal.
1 MHz-unit display at FM time.
10 kHz-unit display at AM time.
3, 4
CK1
CK2
Received frequency data input control
timing input terminal. Transferred
simultaneously with data by the system
controller LSI.
21-27
a1—gl
7-segment drive o
utput terminal.
100 kHz-unit display at FM time.
1 kHz-tmit display at AM time.
5
1/0
Segment drive output terminal.
100 MHz-unit display at FM
f
time.
Only 1 pin is used or output becau,se
of 1 to 0 in both FM/AM.
14, 28
Vcc
GND
Supply voltage applying terminal.
FUNCTIONS OF TERMINALS
12
19
20
21
34
35
DO-2
DO-1
TU-767 OM
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i, a,
a, 0
0,
I, a,
0,
a,
t
,
l
t,
MAT critrilif °
i
7
,
teroonen
oi
ixal
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c' 11
BCD 01flet
,
C1(
L/0
GNP
FUNCTIONS OF TERMINALS
Pin
No.
Function
Name
Symbol
Connects crystal 7.2
MHz for reference
frequency.
2
XT
Crystal oscillator
terminal
3
XT
FM band specifying
input
FM
4
Selects FM. MW and
LW in the mutual
reset anode.
MW band specifying
input
5
MW
LW band specifying
input
LW
Pit
No,
Name
Function
Symbol
Selects between
manual operation
and
auto search operation
in mutual reset mode
at UP/DOWN channel
select time.
Manual tuning mode
specifying input
7
MANUAL
Set "H" at muting
output time.
Muting signal output
MUTE
28
Auto search tuning
mode specifying
input
B
AUTO
Specifies enema.
japan, USA. or
Europe,
E2
29
Area specify input
El
30
UP operation key
input
UP
UP/DOWN channel
selection by connect-
Ing a push-key
Counts IF 450 kHz
signals at AM time
and stops auto
search.
AM-IF signal input
STOP3
31
DOWN operation key
input
DOWN
10
With this input, preset
memory is set to
write enable status.
If "H" level is input
STOP2 when "H"
level is set to STOP1,
the auto search is
stopped. Used for
AR1 or stereo
channel receiving
status discrimination.
Memory store instruc-
tion input
Pin
No.
Name
Functions
5
f IN
FM station signal input terminal
Frequency range
60 — 140 MHz
Input level
75 —300 mVrrns
3
OUT-1
Dividing an input signal into 1/30 or 1/32
through dividing output terminal 0I,-
Output level 0.51V)MIN
2
OUT-2
OUT-I inverted signal output. Because of
open emitter system, if iris to be used.
External resistor is necessary. Open in general.
7
PSC
Dividing value select control terminal
1/32 when Vpcc ,' 21V), 1/30 when
%/pm 11V)
6
c
for bias circuit.
Connect C - 2200 pF (approx.) between the
unit and the GND.
1
4
Vcc
GNO
Power terminal Vcc k 5V
loc = 5 rnA (standard), 10 mA Imax.)
11
STO
TD6 I 04P
(Toshiba)
Auto search stop Signal
input
Controls read/write
of the internal 16-
channel preset me-
mory in conjunction
with MC1 and MC2
input.
STOP2
32
Preset memory channel
specifying input
M1 —M8
When "H" level is
input, reduces the
auto search scan
speed to 1/2.
Sets the 16-channel
preset memory to an
8-channel fixed
system for FM/AM
1MW -1 LW) or a 16-
channel tandem
system for FM+MW+
LW (3 bands).
Scan speed slow input
33
STOP!
MCI
MC2
Two tristate buffers
are output in paral-
lel from a single
phase comparator.
Memory control input
GNO Vac
Phase comparator
output
LB1417
(Sanyo)
Sets test made with
"H" level input.
36
TEST
Test terminal
C/R connecting
terminal foresail
later, which deter-
mines scan speed at
AM search time.
Oscillator terminal for
AM
FM
progremtnahle
counter input
Connects the output
of precaller 1061 04P.
0502
22
FMIN
37
Controls dividing
11/30,1/321 of the
prescaller TD6104P.
Prescaller control
output
C/R connecting
terminal for oscil-
lator, which deter-
mines scan speed at
FM search time.
38
PSC
Oscillator terminal for
FM
LA 1245
(Sanyo)
23
OSCI
FM programmable
counter input
Inputs AM channel
signal.
39
AMIN
Oridinary operation
at "H" level, and
inhibit status at "L"
level.
Europe area FM band
50 kHz step indi-
cating output
Set "H'' at 50 kHz.
FM Europe 50 kHz
output
40
INH
Inhibit input
24
0/5
Ordinary operation
at "H" level, and
initialization of
internal statutes
"L" level
Otputs serial data
and timing lock to
driver 106301
for receiving fre-
quency digital display .
CK1 output is used es
Poo output at the
same tirne.
Initialize input
41
INT
25
26
27
CK2
CK1
DATE
Received frequency
data serial output
Applies 5 ± 0.5 V.
Up to 2 Vie available
as backup,
42
VDD
GND
Power applying
terminal
