BDV-Z7, SA-WSZ7, SS-TSZ7 - Sony Audio Service Manual (repair manual). Page 23

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SA-WSZ7/SS-TSZ7
23
•  IC Pin Function Description
CONTROL  BOARD  IC700  R5F3640DDFAR-128 (SYSTEM  CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DIR_CDIN
-
Not used
2
DIR_CCLK
-
Not used
3, 4
DIR_CS0, DIR_CS1
-
Not used
5
DAMP_SCDT
O
Serial data output to the stream processor
6
-
-
Not used
7
DAMP_SHIFT
O
Serial data transfer clock signal output to the stream processor
8
BYTE
I
External data bus width selection signal input terminal    “L”: 16 bit    Fixed at “L” in this set
9
CNVss
I
Processor mode selection signal input terminal
10, 11
-
-
Not used
12
RESET
I
System reset signal input from the reset switch    “L”: reset
13
Xout
O
Main system clock output terminal (10 MHz)
14
Vss
-
Ground terminal
15
Xin
I
Main system clock input terminal (10 MHz)
16
Vcc1
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal    Not used
18
NV_RERR
O
Error signal output to the digital audio interface receiver
19
-
-
Not used
20
AC_CUT
I
AC cut detection signal input terminal    “L”: AC cut
21 to 27
-
-
Not used
28
HSD_EN
O
Protector circuit on/off control signal output terminal
29, 30
-
-
Not used
31
SYS_TXD
O
Serial data output to the SYSTEM CONTROL connector (HCD-Z7)
32
SYS_RXD
I
Serial data input from the SYSTEM CONTROL connector (HCD-Z7)
33
SYS_CLK
I
Serial data transfer clock signal input from the SYSTEM CONTROL connector (HCD-Z7)
34
SYS_BUSY
O
Busy request signal output to the SYSTEM CONTROL connector (HCD-Z7)
35
EEPROM_SDA
I/O
Two-way I2C data bus with the EEPROM
36
EEPROM_SCL
O
I2C clock signal output to the EEPROM
37, 38
-
-
Not used
39
P_CONT_32V14V
O
Power on/off control signal output terminal
40
P_CONT_3.3V
O
Power on/off control signal output terminal
41
EPM
-
Not used
42 to 45
-
-
Not used
46
CE
-
Not used
47
DAMP_INIT
O
System reset signal output to the stream processor    “L”: reset
48
DAMP_SOFT_MUTE
O
Soft muting on/off control signal output to the stream processor
49
DAMP_LATCH1
O
Serial data latch pulse signal output to the stream processor
50
DAMP_LATCH3
O
Serial data latch pulse signal output to the stream processor
51
DRIVE_RST (EN)
O
Reset signal output to the digital power amplifi er    “L”: reset
52
-
-
Not used
53, 54
OVERFLOW1, 
OVERFLOW2
I
Overfl ow detection signal input from the stream processor    “L”: overfl ow
55, 56
-
-
Not used
57
DIR_RST
O
Reset signal output to the digital audio interface receiver    “L”: reset
58
-
-
Not used
59
OVERFLOW3
-
Not used
60, 61
-
-
Not used
62
Vcc2
-
Power supply terminal (+3.3V)
63
-
-
Not used
64
Vss
-
Ground terminal
65
DC_DET
I
Over load detection signal input terminal    “L”: over load
66, 67
-
-
Not used
68
FAN_DETECT
I
Fan motor operation abnormality detection signal input terminal
69 to 72
-
-
Not used
73
CABLE_DETECT
I
Connection detection signal input terminal for the SYSTEM CONTROL connector
74
SYS_WAKEUP
I
System wake up signal input from the SYSTEM CONTROL connector (HCD-Z7)
75
DRIVE_OCP (DIAG)
I
Shut down signal input from the digital power amplifi er    “L”: shut down
76 to 80
-
-
Not used
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