Sony STR-DA80ES Service Manual page 18

Pin No. Pin Name
46 SDO1
47 SDO0
48 SVCC
49 SCKT
50 WST
51 SCKR
52 QGND
53 QVCC
54
SGND
55 WSR
56 SDI1
57 SDI0
58 DSO
59 DSI
60 DSCK
61 DR
62 MD7
63 MD6
64 MD5
65 MD4
66 DGND
67 MD3
68 MD2
69 MD1
70 DVCC
71 MD0
72 DGND
73 GPIO3
74 GPIO2
75 GPIO1
76 GPIO0
77 MRD
78 MWR
79 CS1
80 MA16
I/O
O
Audio serial data output terminal (for center side speaker)
O
Audio serial data output terminal (for front side speaker)
— Power supply terminal (+5V) (for serial port)
I
Bit clock signal (2.8224 MHz) input terminal
I
L/R sampling clock signal (44.1 kHz) input terminal
I
Audio serial data reading clock signal input from the digital signal processor (IC3410)
— Ground terminal (for internal logic)
—
Power supply terminal (+5V) (for internal logic)
—
Ground terminal (for serial port)
I
Word transmission input from the digital signal processor (IC3410)
I Audio serial data input from the digital signal processor (IC3410)
I
Audio serial data input from the digital signal processor (IC3410)
O
Debug serial data output terminal Not used (open)
I
Debug serial data input terminal Not used (open)
I Debug serial data reading clock signal input terminal Not used (open)
I
Debug request signal input terminal Not used (fixed at "H")
I/O
I/O
Two-way data bus with the S-RAM (IC3411)
I/O
I/O
—
Ground terminal (for data bus buffer)
I/O
I/O Two-way data bus with the S-RAM (IC3411)
I/O
—
Power supply terminal (+5V) (for data bus buffer)
I/O
Two-way data bus with the S-RAM (IC3411)
— Ground terminal (for data bus buffer)
I/O
I/O
General digital signal processor in/out terminal Not used (open)
I/O
I/O General digital signal processor in/out with the master controller (IC3413)
O
Write strobe signal output to the S-RAM (IC3411)
O
Read strobe signal output to the S-RAM (IC3411)
O
Chip select signal output to the external RAM device Not used (open)
O Address signal output to the S-RAM (IC3411)
Function
– 18 –