Read Sony ICD-ST25VTP Service Manual online
33
ICD-ST25VTP
MAIN BOARD IC7003 MB91F233 (CPU)
Pin No.
Pin Name
I/O
Description
1
DSPSCK
O
Serial clock output for DSP
2
FLMCLE
O
Command latch enable signal output for FLASH
3 to 10
DATA0 to 7
I/O
Data input/output to FLASH and USB
11
XFLMCS0
O
Chip enable signal output for FLASH
12
DSPSYSCK
O
System clock control signal output for DSP
13
X0A32k
I
32KHz vibration terminal (input)
14
X1A32k
—
32KHz vibration terminal (input)
15
VCC3BCK
—
Internal logic backup voltage terminal
16
VSS
—
Ground terminal
17
VCC3LGC
—
Internal logic voltage terminal
18
BEEP
O
Beep output
19
XFLMWE
O
Write enable signal output for FLASH
20
XFLMRE
O
Read enable signal output for FLASH
21
XFLMALE
O
Address latch enable signal output for FLASH
22
FLMRB
I
Ready/Busy signal input from FLASH
23
XFLMWP
O
Write protect signal output to FLASH
24 to 30
USBADR0 to 6
O
Address signal output to USB control
31
XUSBCS
O
Chip select signal output to USB control
32
XUSBRD
O
Read strobe signal output to USB control
33
XUSBRST
O
Reset signal output to USB control
34
XUSBLWR
O
Low write strobe signal output to USB control
35
XFLMCS1
O
Chip enable signal output for FLASH (Not used)
36
AVCC
—
Analog power supply
37
AVREF
—
Reference voltage terminal
38
AVSS
—
Ground (Analog) terminal
39
BATT
I
Battery voltage detect signal input
40
KEYIN0
I
Key 0 A/D input
41
KEYIN1
I
Key 1 A/D input
42
MICSEL
I
Directivity microphone switch signal input
43
NC
—
Not used
44
VUPDPC
I
DPC switch signal input
45
XMICJACK
I
External microphone detect signal input
46
HPJACK
I
Headphone detect signal input
47
VSS
—
Ground terminal
48
AVCC3IO
—
Voltage terminal
49 to 74
SEG0 to 25
O
LCD segment output terminal
75
DVCC
—
Voltage terminal
76
DVSS
—
Ground terminal
77 to 82
SEG26 to 31
O
LCD segment output terminal
83 to 86
COM0 to 3
O
LCD common output terminal
87
MOD2
I
Mode input terminal
88
MOD1
I
Mode input terminal (fixed at “L”)
89
MOD0
I
Mode input terminal (fixed at “L”)
90
XCPURST
I
CPU external reset signal input
91 to 94
LCDV0 to 3
—
LCD reference voltage terminal
95
RX
I
FLASH overwrite RX
96
TX
O
FLASH overwrite TX
97
XFLMPWR
O
FLASH power supply control signal output (L:ON)
Click on the first or last page to see other ICD-ST25VTP service manuals if exist.