Sony STR-DA90ESG Service Manual page 19

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Pin No. Pin Name I/O
46 SDO1 O
47 SDO0 O
48 SVCC —
49 SCKT O
50 WST O
51 SCKR I
52 QGND —
53 QVCC —
54 —
SGND
55 WSR I
56 SDI1 I
57 SDI0 I
58 DSO O
59 DSI I
60 DSCK I
61 DR I
62 MD7 I/O
63 MD6 I/O
64 MD5 I/O
65 MD4 I/O
66 DGND —
67 MD3 I/O
68 MD2 I/O
69 MD1 I/O
70 DVCC —
71 MD0 I/O
72 DGND —
73 GPIO3 I/O
74 GPIO2 I/O
75 GPIO1 I/O
76 GPIO0 I/O
77 MRD O
78 MWR O
79 MRAS O
80 MCAS O
Audio serial data output to the digital signal processor (IC3412)
Audio serial data output to the digital signal processor (IC3412)
Power supply terminal (+5V) (for serial port)
Audio serial data transfer clock signal output to the digital signal processor (IC3412)
Word transmission output to the digital signal processor (IC3412)
Bit clock signal (2.8224 MHz) input terminal
Ground terminal (for internal logic)
Power supply terminal (+5V) (for internal logic)
Ground terminal (for serial port)
L/R sampling clock signal (44.1 kHz) input terminal
Audio serial data input terminal
Audio serial data input terminal
Debug serial data output terminal Not used (open)
Debug serial data input terminal Not used (open)
Debug serial data reading clock signal input terminal Not used (open)
Debug request signal input terminal Not used (fixed at "H")
Two-way data bus with the external RAM device Not used (open)
Ground terminal (for data bus buffer)
Two-way data bus with the external RAM device Not used (open)
Power supply terminal (+5V) (for data bus buffer)
Two-way data bus with the external RAM device Not used (open)
Ground terminal (for data bus buffer)
General digital signal processor in/out terminal Not used (open)
Write strobe signal output to the external RAM device Not used (open)
Read strobe signal output to the external RAM device Not used (open)
Row address strobe signal output to the external RAM device Not used (open)
Column address strobe signal output to the external RAM device Not used (open)
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Function