Ic Pin Function Description - Sony ST-S5 Service Manual

5-10. IC PIN FUNCTION DESCRIPTION

• MAIN BOARD IC501 M30622MGA-A39FP (SYSTEM CONTROLLER)
Pin No. Pin Name
1 AMP-DATA
2 AMP-CLK
3 AMP-LAT
4 SIRCS
5 DIG-TX
6 DSP-RX
7 DIG-CLK
8 GND
9 CNVSS
10 XCIN
11 XCOUT
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 RDS-INT
19 —
20 RDS-DATA
21 ST-MUTE
22 ST-CE
23 ST-DOUT
24 —
25 ST-DIN
26 —
27 ST-CLK
28 —
29 IIC CLK
30 IIC DATA
31 to 34 NO-USE
35 to 40 —
41 M-RESET
42 to 50 —
51 NO-USE
52 to 57 —
58 EXP-IN DATA
59 EXP-OUT DATA
60 EXP-LAT
61 EXP-CLK
62 VCC
63 SOFT-TEST
I/O
O
Serial data output to the M61512FP (IC607)
O
Serial data transfer clock signal output to the M61512FP (IC607)
O
Serial data latch pulse signal output to the M61512FP (IC607)
I Remote control signal input from the remote control receiver (IC101)
Serial data output to the CXD9617R (IC601), digital audio interface receiver (IC604) and digital
O
filter (IC606)
I Serial data input from the digital audio interface receiver (IC604)
Serial data transfer clock signal output to the CXD9617R (IC601), digital audio interface receiver
O
(IC604) and digital filter (IC606)
—
Ground terminal
—
Not used
I
Sub system clock input terminal (32.768 kHz)
O
Sub system clock output terminal (32.768 kHz)
System reset signal input from the reset signal generator (IC551) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O
Main system clock output terminal (16 MHz)
— Ground terminal
I
Main system clock input terminal (16 MHz)
—
Power supply terminal (+5V)
I
Non-maskable interrupt input terminal Fixed at "H" in this set
I Serial data transfer clock signal from the RDS decoder on the FM/AM tuner unit
—
Not used (open)
I Serial data input from the RDS decoder on the FM/AM tuner unit
O
Tuner muting on/off control signal output to the FM/AM tuner unit "L": muting on
O Chip enable signal output to the FM/AM tuner unit
O
Serial data output to the FM/AM tuner unit
—
Not used (open)
I Serial data input from the FM/AM tuner unit
— Not used (open)
O Serial data transfer clock signal output to the FM/AM tuner unit
—
Not used (open)
Communication data reading clock signal input or transfer clock signal output with the display
I/O
controller (IC601) and CDP-S3
I/O
Communication data bus with the display controller (IC601) and CDP-S3
— Not used
—
Not used (open)
O
Reset signal output to the display controller (IC601) "L": reset
—
Not used (open)
— Not used
—
Not used (open)
I Serial data input from the I/O expander in the TA-S7AV
O
Serial data output to the I/O expander in the TA-S7AV
O Serial data latch pulse signal output to the I/O expander in the TA-S7AV
O
Serial data transfer clock signal output to the I/O expander in the TA-S7AV
—
Power supply terminal (+5V)
I Soft test output terminal Not used (open)
Description
ST-S5
21