Sony SDP-EP9ES Service Manual page 35

Pin No. Pin Name
MOSI
41
SS
42
HREQ
43
SGND
44
45 SDO2
SDO1
46
47 SDO0
SVCC
48
SCKT
49
WST
50
SCKR
51
QGND
52
QVCC
53
SGND
54
WSR
55
SDI1
56
SDI0
57
DSO
58
DSI
59
DSCK
60
DR
61
MD7
62
MD6
63
MD5
64
MD4
65
DGND
66
MD3
67
MD2
68
MD1
69
DVCC
70
MD0
71
DGND
72
GPIO3
73
GPIO2
74
GPIO1
75
GPIO0
76
MRD
77
MWR
78
MRAS
79
MCAS
80
I/O
O
Master data signal output to system controller
I SPI slave select signal input from system controller
I
Host request signal input from system controller
–
Ground for serial port
O
Audio serial data 2 signal output (Not used)
O
Audio serial data 1 signal output
O
Audio serial data 0 signal output
–
Power supply for serial port (+5V)
O
Serial clock transmission
O
Word select transmission
I
Serial clock reception
–
Ground for internal logic
–
Power supply for internal logic (+5V)
–
Ground for serial port
I
Word select reception
I
Audio serial data 1 signal input
I
Audio serial data 0 signal input
O
Debug serial signal output (Not used)
I
Debug serial signal input (Not used)
I
Debug serial clock signal input (Not used)
I
Debug request input (Fixed at "H")
I/O
I/O
Data input/output with S-RAM (Not used)
I/O
I/O
Ground for data bus buffer
–
I/O
Data input/output with S-RAM (Not used)
I/O
I/O
Power supply for data bus buffer (+5V)
–
Data input/output with S-RAM (Not used)
I/O
Ground for data bus buffer
–
I/O
I/O
General DSP input/output (Not used)
I/O
I/O
Write strobe signal output to S-RAM (Not used)
O
Read strobe signal output to S-RAM (Not used)
O
Low address strobe signal output to S-RAM (Not used)
O
Column address strobe signal output to S-RAM (Not used)
O
— 58 —
Function
Function