Sony ICD-47 Primary, Service Manual

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ICD-47
5-4. IC PIN FUNCTION DESCRIPTION
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IC104 1609J--VA11H-DB (DIGITAL SIGNAL PROCESSOR)
Pin No. Pin Name I/O Description
1 VDD —
Power supply terminal (+3.3V)
2 RDY O
Interrupt output terminal of ready/busy detection signal to the system controller (IC701)
“L”: ready, “H”: busy
3 SLDB I/O
Not used (open)
4 OSCBYP I
Not used (fixed at “H”)
5 INTB I Not used (open)
6 to 11 IOPA7 to IOPA2 I/O
Not used (open)
12 VSS —
Ground terminal
13 VDD — Power supply terminal (+3.3V)
14, 15 IOPA1, IOPA0 I/O
Not used (open)
16 MDISDO O
Recording serial data output to the system controller (IC701) “H” active
17 MDISDI I Playback serial data input from the system controller (IC701) “H” active
18 SCK I
Serial clock signal input from the system controller (IC701) “H” active
19 SSN I
Transmission status input from the system controller (IC701) “L” active
20 TDO O Not used (open)
21 TDI I
Not used (open)
22 VSS —
Ground terminal
23 VDD — Power supply terminal (+3.3V)
24 TCK I
Not used (open)
25 TMS I
Not used (open)
26 IOPD3 I/O Not used (open)
27 RWN O
Not used (open)
28 IOPD1 I
Stop signal input from the system controller (IC701) “L” active
29 IOPD0 O Interrupt output terminal of frame signal to the system controller (IC701) “H” active
30 VSS —
Ground terminal
31 XTALB I/O
Not used (fixed at “L”)
32 XTALA I PLL clock signal (4.096 MHz) input from the divider (IC106) “H” active
33 VSSA —
Ground terminal
34 VDDA —
Power supply terminal (+3.3V)
35 VPP —
Not used (open)
36 DAV O
Available data output to the system controller (IC701) “H” active
37 RSTB I
Reset signal and power down detection signal input from the system controller (IC701)
“L”: reset or power down
38 VDD —
Power supply terminal (+3.3V)
39 VSS —
Ground terminal
40 SDI I
Recording serial data input from the ADPCM (IC101)
41 SDO O
Playback serial data output to the ADPCM (IC101)
42 SCLK O Serial clock signal output to the ADPCM (IC101)
43 SLDA O
Serial data output to the ADPCM (IC101)
44 VSS —
Ground terminal
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