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Pin Name
Signal Name
KRC-7701RY/787/807/887RIX957/PS987R
MICROCOMPUTER'S TERMINAL DESCRIPTION
uPD784215GCO075 (076) (IC1: X14-592x-11, 6042-7x)
Purpose
Operation Description
P83/A3
K2I Forced Narrow output.
Active: Hi.
P84/A4
NARROW
AFC
Boise detection time constant SW
During reception: Hi/
During search: Lo.
P85/A5
L_CE
CE output to LCD driver.
P86/A6
L_INH
Reset output to LCD driver.
Reset: Lo.
P87/A7
SRM_SW2
SRM eject position detection.
Rise: Eject position.
P40/ADO:
QUAL
RDS reception quality,
P41/AD1
R_DATA
RDS data input.
P42/AD2
SRM_DET
SRM mechanism detection.
Detected: Lo/Not detected: Hi.
P43/AD3
FM_SD
FM SD input.
Station detected: Hi/
Not detected: Lo.
P44/AD4
P45/AD5
MUSIC
Blank detection input.
Music detected: Lo/
Music not detected: Hi.
P46/AD6
B/C
Dolby B/C switching.
B: Lo/C: Hi.
P47/AD7
DOLBY
Dolby output.
Active: Hi.
P50/A8
EQ MUTE
EQ muting output.
During play: Lo/FF or REW: Hi.
P51/A9
MTL
Metal output.
Active: Hi.
P52/A10
F/R
Tape EQ input switching.
FWD: Lo/REV: Hi.
P53/A11
MSC
Blank detection time constant switching.
P54/A12
MODE2
During play: Hi/FF or REW: Lo.
Cassette mechanism mode detection.
P55/A13
P56/A14
P57/A15
-
Vss
MODE1
MODE3
PACK_DET
P60/A16
P61/A17
P62/A18
TYPEO
TYPE1
Cassette mechanism mode detection.
Cassette mechanism mode detection.
Cassette mechanism pack detection.
Pack detected: Hi.
GND terminal.
Destination type terminal 0.
Destination type terminal 1.
TYPE2
Destination type terminal 2.
P63/A19
ST_TYPEO
IC2 Ver.3 destination type terminal 0.
Initial value: 0.
P64/RD
ST_TYPE1
IC2 Ver.3 destination type terminal 1.
Initial value: O.
P65/WR
Output open.
P66/WAIT
ANA_A
| Spectrum analyzer frequency switching.
P67/ASTB
ANA_B
Spectrum analyzer frequency switching.
Vdd
Positive power supply.
P100/TI5/TO5
Output open.
P101/TI6/TO6
SVR
Power IC reset.
Power ON: Lo.
P102/T17/TO7
Output open.
P103/TI8/TO8
P_MUTE
Power IC muting.
Active: Hi.
P30/TOO
ANT_CON
Antenna control.
Active: Hi.
P31/TO1
FM+B
FM power supply.
Active: Hi.
P32/TO2
AM+B
AM power supply.
Active: Hi.
P33/TI1
P_CON
Power control.
Active: Hi.
P34/Tl2
ACC_DET
Acc detection.
Acc OFF: Hi.
P35/T100
REMO
Remote control input.
"P36/TI01
P_ON
uCOM peripheral power supply.
Active: Hi.
P37
BU_DET
Momentary power down detection.
Power down: Hi.
TEST
Test terminal.
P90
IC2_SDA
IC2, IC5 and EEPROM data line.
P91
IC2_SCK
IC2, IC5 and EEPROM clock line.
P92
MUTE
Muting terminal.
Active: Hi.
P93
SW5
5 V power supply.
Active: Lo.
P94
P95
O/O/O/O/O}
6}
j-|O}-|-]O/O/O/O/O;/O/
OO}:
|O;O;O|—)—|—|—|—-|
+ |-|
-|-|
-j|O;OJ;OJO}O/;oO
CHCON2
Changer 2 control.
Active: Lo.
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