Read Sony ICD-70 Service Manual online
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
O
I
O
O
O
O
O
O
I
I
I
O
O
I
O
I
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
O
O
O
O
O
O
O
Description
Power down control output to IC105.
Vref control output to LCD driver.
Beep waveform output.
Power supply (+).
Not used. Fixed to Low output.
“Power supply lid OPEN detect control (H: detection enable, L: detection disable)”
Selection of clock to be supplied to MCK (10 MHz).
Selection of clock to be supplied to MCK (7 MHz).
Key Vcc control.
“LCD driver, Vdd control.”
GND.
Battery voltage detection.
Key voltage detection.
Not used. Fixed to Low output.
CLR output to IC107 (Startup of XSYNC signal).
Power supply (+).
CLR output to IC101 (Serial send/receive clock output).
IS input from IC101 (Serial data input).
IR output to IC101 (Serial data output).
SCK output to LCD driver (Serial receive clock output).
STB output to LCD driver.
DAT output to LCD driver (Serial data output).
Non-maskable interrupt input/output terminal.
Serial send/receive with IC101 start signal input.
WAV Link REQ interrupt input.
“Interrupt caused by key operation, processing start signal input.”
“Interrupt caused by battery lid switch operation, processing start signal input.”
“Interrupt caused by JOG rotation, processing start signal input.”
“Interrupt caused by JOG rotation B-phase signal input, processing start signal input.”
Microprocessor reset terminal.
Power supply (+).
Data I/O with IC702 (flash memory).
Data I/O with IC702 (flash memory).
Data I/O with IC702 (flash memory).
Data I/O with IC702 (flash memory).
Data I/O with IC702 (flash memory).
Data I/O with IC702 (flash memory).
Data I/O with IC702 (flash memory).
Data I/O with IC702 (flash memory).
GND.
CLE output to IC702 (flash memory).
ALE output to IC702 (flash memory).
WE output to IC702 (flash memory).
RE output to IC702 (flash memory).
Not used. Fixed to Low output.
SE output to IC702.
WP output to IC702.
Not used. Fixed to Low output.
Pin Name
PO_PAMP
PO_LCDR
PO_BEEP
VDD
—
PO_BOP
PO_SPC
PO_LPC
PO_KEYV
PO_LCDV
VSS
batt A/D
key A/D
—
PO_CHK1
VDD (VPP)
POA_CLK
PIA_IS
POA_IR
POD_SCK
POD_STB
POD_DAT
PULL UP
PULL UP
NMI
XSYNC
PI_REQ
PI_WAKE
PI_OPEN
PI_ROTA
PI_ROTB
RST
VDD
POO
PO1
PO2
PO3
PO4
PO5
PO6
PO7
VSS
POR_CLE
POR_ALE
POR_WE
RE
—
SE
WP
—
— 7 —
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