Read Sony ICD-47 Service Manual online
12
ICD-47
5-4.
IC PIN FUNCTION DESCRIPTION
•
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
“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
“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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