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KMD-X91/PS970R
MICRO COMPUTER'S TERMINAL DESCRIPTION
Microprocessor : UPD 784215GCO99 (IC1, X25-824X-XX)
@ Terminal Description
Pin Name
fo)
Function
Description
Processing Operation
P120/RTPO
CHCON1
Changer 1 control pin
Active:"H"
121/RTP1
CH MUTE
Changer mute input pin
Mute request: "H"
22/RTP2
REQH
Changer handshake request pin
Active:"L"
23/RTP3
ILL ON
{Illumination output pin
Active:"H"
P124/RTP4
MD/SRM
1C20 output voltage control pin
During MD:"H" During panel: "L"
P125/RTP5
PACK DET
DISC detection pin
Disc detection:"L"
P126/RTP6
LOS SW
Loading SW detection pin
One"
P127/RTP7
O}—|—-}Os/OJO;—-}O
MD+B
IC20 output on/off control pin
On:"H" off:"L"
Vdd
VDD
Positive power supply pin
X2
X2
Main clock connection pin
x1
x1
Main clock connection pin
GND pin
Sub clock connection pin
Sub clock connection pin
Reset input pin
Active:"L"
Changer reset output pin
Active:"H"
NTP2/NMI
PO3/INTP3
POA/INTP4
POS/INTPS
POG/INTP6
AVdd
AVref0
25 | P1O/ANIO
26
P11/ANI1
P12/ANI2
OCE
O CLK
O DATA
SC REQ
AVDD
AVREFO
PHONE
SRM SW1
NOISE
RDS clock input pin
Changer handshake request pin
OPEL DATA CHIP SELECT
OPEL DATA CLOCK
OPEL DATA LINE
Communication request from panel MI-COM.
A/D analog power supply pin
A/D reference voltage input pin
PHONE detection pin
SRM position detection pin
FM noise detection pin
Active:"L"
1V or less:PHONE,
2.5 V or greater: NAVI MUTE
Open:"H"
P13/ANI3
S METER
FM Smeter detection pin
P14/ANI4
IF MODE
K2| IF mode detection pin
WIDE mode:"H" NARROW mode: "L"
P15/ANI5
NC
connect to GND
P16/ANI6
M MUTE R
Mute request from MD mecha. MI-COM.
Mute request:"L"
P17/ANI7
M MUTEL
Mute request from MD mecha. MI-COM.
Mute request:"L"
AVss
AVSS
A/D GND pin
P130/ANO0
4
EXT AMP
External amp.control output pin
Active:"L."
P131/ANO1
O}O
M RST
Reset output to MD mecha. MI-COM.
RESET:"L"
AVref1
AVREF1
D/A reference voltage input pin
P70/RxD2/S12
DATAC
Data line from changers
P71/TxD2/SO2
DATAH
Data line to changers
P72/ASCK2/SCK2
CH CLK
Clock line with changers
P20/RxD1/SI1
SC DAT
Data input pin from panel MI-COM.
P21/TxD1/SO1
MC DAT
Data output pin to panel MI-COM.
P22/ASCK1/SCK14
M CLK
Clock output pin to pane! MI-COM.
P23/PCL
M STOP
STOP request output pin to MD mecha. MI-COM.
STOP request: "L"
P24/BUZ
BEEP
BEEP output pin
Active:"H"
P25/SI0
PLL CE
CE output pin to PLL IC
P26/SO0
PLL DATA
Data input/output pin with PLL IC
P27/SCKO
PLL CLK
Clock output pin to PLL IC
P80/A0
LOE SW
MD pack in detection pin
Active:""L"
P8V/Al
EJECT
MD mecha. Load/eject selection output pin
Load:"L" eject:"H"
P82/A2
OJO]-jOJOJOJOJOJOJ/O}—-|S]O]}]—
LOAD
MD mecha. Load/eject selection output
Load:"H" eject:"L"
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