Sony SDP-EP70 Service Manual page 45

Pin Name
Pin No.
MOSI/HA0
41
42 SS/HA2
HREQ
43
SGND
44
SDO2
45
SDO1
46
47 SDO0
SVCC
48
SCKT
49
50 WST
SCKR
51
QGND
52
QVCC
53
SGND
54
55 WSR
SDI1
56
57 SDI0
DSO
58
DSI/OS0
59
60 DSCK/OS1
DR
61
62 MD7
MD6
63
MD5
64
65 MD4
DGND
66
67 MD3
MD2
68
MD1
69
DVCC
70
MD0
71
72 DGND
GPIO3
73
GPIO2
74
75 GPIO1
GPIO0
76
MRD
77
MWR
78
MRAS/MA15/MCS1
79
80 MCAS/MA16/MCS2
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
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)
Debug serial signal input (Not used)
I
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
I/O
I/O
– Ground for data bus buffer
I/O
I/O
Data input/output with S-RAM
I/O
– Power supply for data bus buffer (+5V)
I/O
Data input/output with S-RAM
–
Ground for data bus buffer
I/O
I/O General DSP input/output (Not used)
I/O
I/O
General DSP input/output with system controller
O Write strobe signal output to S-RAM
O
Read strobe signal output to S-RAM
O Low address strobe signal output to S-RAM
O Column address strobe signal output to S-RAM
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Function