AIR-SA17TI - Sony Audio Service Manual (repair manual). Page 21

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AIR-SA17Ti
21
•  IC Pin Function Description
MAIN BOARD  IC401  R5F3640DDFBR-128 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
POWER_MONITOR 1
I
Power supply voltage (+9V) monitor signal input terminal for protect
2
SIRCS_IN
I
SIRCS signal input from the remote control receiver
3, 4
-
-
Not used
5
POWER_MONITOR 2
I
Power supply voltage (+5.2V) monitor signal input terminal for protect
6
BYTE
I
Not used
7
CNVss
I
Not used
8, 9
-
-
Not used
10
RESET
I
System reset signal input from the reset switch    “L”: reset
11
Xout
O
System clock output terminal (5 MHz)
12
Vss
-
Ground terminal
13
Xin
I
System clock input terminal (5 MHz)
14
Vcc1
-
Power supply terminal (+3.3V)
15
NMI
I
Not used
16, 17
-
-
Not used
18
AC_CUT
I
AC cut on/off detection signal input terminal    “L”: AC cut on
19 to 21
-
-
Not used
22
LED_ILLUMI
O
LED drive signal output terminal for illumination    “H”: LED on
23, 24
-
-
Not used
25
iPod_ACCP
I
System wake up signal input terminal
26
iPod_CP_RESET
O
System reset signal output to the EEPROM   “L”: reset
27
iPod_CP_CLK
I/O
Two-way serial clock bus with the EEPROM
28
iPod_CP_DATA
I/O
Two-way serial data bus with the EEPROM
29
TXD1/FLASH
-
Not used
30
RXD1/FLASH
-
Not used
31
CLK/FLASH
-
Not used
32
RTS1/FLASH
-
Not used
33
iPod_TX
O
Serial data output to the iPod/iPhone connector
34
iPod_RX
I
Serial data input from the iPod/iPhone connector
35
CLK
-
Not used
36
RTS
-
Not used
37
O_POWER
O
Main power on/off control signal output terminal
38
-
-
Not used
39
EPM
-
Not used
40
FL_CLK/LED_CLK
O
Serial data transfer clock signal output to the FL driver
41
FL_STB
O
Chip select signal output to the FL driver
42
FL_D_OUT/LED_DATA
O
Serial data output to the FL driver
43
-
-
Not used
44
CE
-
Not used
45
EEPROM_SDA/
I2C_DATA
I/O
Two-way serial data bus with the EEPROM
46
EEPROM_SCL/
I2C_CLK
I/O
Two-way serial clock bus with the EEPROM
47, 48
-
-
Not used
49
iPod_FLAG
I
Protect signal input terminal
50
iPod_LINE_MUTE
O
Muting on/off control signal output terminal for the iPod/iPhone audio    Not used
51
iPod_VIDEO_SW
O
Video switch signal output terminal    Not used
52
iPod_DET
I
iPod/iPhone detection signal input terminal
53
iPod_POWER
O
Power on/off control signal output terminal for the iPod/iPhone
54
-
-
Not used
55
iPHONE DET CTL
O
iPhone accessory detect control signal output terminal
56
S-AIR_RST(SRC RST)
O
System reset signal output to the EZW-RT10A    “L”: reset
57
S-AIR_POWER
O
Power on/off control signal output terminal for the EZW-RT10A
58, 59
-
-
Not used
60
Vcc2
-
Power supply terminal (+3.3V)
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