JVC MX-GT91R Service Manual page 40

MX-GT91R
MN101C35DEC2 (IC810) : System controller
Pin function (1/2)
Symbol
Pin No.
1 KCMND
2 MSTAT
3 KCLK
4 DATAOUT
5 DATAIN
6
7
8 VDD
9,10 OSC2,1
11 VSS
12,13
14 MMOD
15 VREF-
16C19 KEY1~4
20 SLCKEY1
21 SLCKEY2
22
23 SPIDTI
24 VREF+
25 MRDY
26 RESET
27 BASS VOL+
28 BASS VOL-
29 AUX MUTE
30 RDSDATA/KARA
31 SPI A
32 SPI B
33 REMIN
34 PHOTOA
35 PHOTOB
36 SOUNDMODE+
37 RDS_CLK
38 PRT
39 TAPE LED
40 ECON
41 POUT
42 VOLDA/EXT
43 VOLCK/EXT
44 EXTCE
45 SLCCE
46 VC3 RESET
47~63 G17~1
1-40
I/O
O
I
O
O
I
O
CK
-
NC
-
I/O
-
-
NC
-
-
I
I
I
-
NC
I
-
I
I
I
I
O
I
O
O
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
Function
VC3 Serial data output
VC3 status input
VC3 Serial clock
SLC/TUNER data output
TUNER data input
SLC/TUNER clock
Not used
Power supply +5V
Oscillation terminal (8MHz)
Connect to GND
Not used
Connect to GND
Connect to GND
Key matrix input 1~4
SLC Key input 1
SLC Key input 2
Not used
SPI Analog data input
AD +5V
VC3 Ready
Micon reset
Bass volume +
Bass volume -
Aux muting
RDS Data / Karaoke
SPI A data
SPI B data
Remote control signal input
SLC Photo-A
SLC Photo-B
Soundmode reverse
RDS Clock
Protector input
Tape LED
Economy ON
Power ON
Volume / EXT IC Data
Volume / EXT IC CLK
EXT IC Chip select
SLC Chip enable
VC3 Reset
FL Display grid