5-4. Ic Pin Function Description - Sony ICD-57 Service Manual

5-4. IC PIN FUNCTION DESCRIPTION

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