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MICROCOMPUTER TERMINAL DESCRIPTION
UPD784217GC103(105) (IC1: X14-618X-XX)
System MicroComputer
Pin
Pin Name
1
P120/RTP0
CHCON
2
P121/RTP1
CH_MUTE
3
P122/RTP2
REQH
4
P123/RTP3
DIMMER
5
P124/RTP4
MOTER
6
P125/RTP5
NC
7
P126/RTP6
NC
8
P127/RTP7
NC
9
Vdd
Vdd
10 X2
X2
11 X1
X1
12 Vss
Vss
13 XT2
XT2
14 XT1
XT1
15 RESET
RESET
16 P00/INTP0
CH_RST
17 P01/INTP1
R_CLK
18 P02/INTP2/NMI
REQC
19 P03/INTP3
KEY REQ
20 P04/INTP4
SUB_MOTOR3
21 P05/INTP5
SUB_MOTOR2
22 P06/INTP6
SUB_MOTOR1
23 AVdd
Avdd
24 AVref0
AVref0
25 P10/ANI0
PHONE
26 P11/ANI1
SRM_SW1
27 P12/ANI2
NOISE
28 P13/ANI3
SMETER
29 P14/ANI4
F_REEL
30 P15/ANI5
R_REEL
31 P16/ANI6
N.C.
32 P17/ANI7
N.C.
33 AVss
AVss
34 P130/ANO0
EXT_AMP
35 P131/ANO1
IF_MODE
36 AVref1
AVref1
37 P70/RxD2/SI2
DATAC
38 P71/TxD2/SO2
DATAH
39 P72/ASCK2/SCK2 CH_CLK
40 P20/RxD1/SI1
L_DATAL
41 P21/TxD1/SO1
L_DATAS
42 P22/ASCK1/SCK1 L_CLK
43 P23/PCL
DIMMER
44 P24/BUZ
BEEP
45 P25/SI0
PLL_CE
46 P26/SO0
PLL_DATA
47 P27/SCK0
PLL_CLK
48 P80/A0
ILL_ON
49 P81/A1
PANEL_5V
50 P82/A2
L_CE
51 P83/A3
LOCK_SW
Signal Name
I/O
O
Changer control terminal.
I
Muting input to changer.
O
Handshake request to changer.
I
Small detection.
Cassette mechanism main motor
O
output.
O
O
O
-
Positive power supply.
-
Main clock connection.
-
Main clock connection.
-
GND terminal.
-
Sub-clock connection.
-
Sub-clock connection.
I
Reset input.
O
Reset output to changer.
I
RDS clock input.
I
Handshake request from changer.
I
O
Sub-motor output. 3
O
Sub-motor output. 2
O
Sub-motor output. 1
-
A/D analog power supply.
-
A/D reference voltage input.
I
Phone detection.
I
SRM position detection.
I
FM noise detection.
I
FM S meter detection.
Cassette mechanism reel pulse input
I
(FWD).
Cassette mechanism reel pulse input
I
(REV).
I
I
-
A/D GND terminal.
O
External amp control.
I
IF status detection for K2I.
-
D/A reference voltage input.
I
Data line from changer.
O
Data line to changer.
I/O Clock line with changer.
I
Data line from LCD driver.
O
Data line to LCD driver.
O
Clock line to LCD driver.
O
Dimmer control output.
O
Beep output.
O
CE to PLL.
I/O Data input/output with PLL.
O
Clock output to PLL.
O
ILL ON
5V power supply control for LCD
O
driver.
O
CE terminal to LCD driver
I
Panel lock SW detection terminal.
KRC-708/888/X858/PS988R
Purpose
Operation Description
ON:Hi, OFF:Lo
ON:Hi, OFF:Lo
DIMMER ON:Lo, OFF:Hi
Active; Hi.
Active: Lo.
Active: Hi.
1 V or less: TEL MUTE
/2.5 V or more: NAVI MUTE.
Open: Hi.
L 40mS:Bass boost OFF
L 70mS:Bass boost LOW
L 100mS:Bass boost Hi
Hi = WIDE, Lo = NARROW
Active: Hi.
ILL ON : Hi
Active: Lo.
Lock SW ON : Lo
3
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