Read Sony ICD-P520 / ICD-P530F Service Manual online
ICD-P520/P530F
17
• IC Pin Descriptions
IC703 MN101C93KSH (SYSTEM CONTROL, USB/LED/LCD DRIVER) (MAIN BOARD (2/2))
IC703 MN101C93KSH (SYSTEM CONTROL, USB/LED/LCD DRIVER) (MAIN BOARD (2/2))
Pin No.
Pin Name
I/O
Pin Description
1 to 4
COM0 to 3
O
LCD common 0 to 3 signal output
5 to 7
VLC3 to 1
I
LCD VLC 3 to 1 signal input
8
C2/N.C
I
Not used (Open)
9
FLMPWR
O
Flash memory power ON signal output (H: ON, L: OFF)
10
XREDLED
O
Red LED (REC) ON/OFF signal output (Open drain)
11
XGRNLED
O
Green LED (PB) ON/OFF signal output (Open drain)
12
HPMUTE
O
Headphone muting signal output (H: Headphone muting)
13
SPAMPPWR
O
Speaker power amplifi er power ON signal output (H: ON, L: OFF)
14
HPAMPPWR
O
Headphone power amplifi er power ON signal output (H: ON, L: OFF)
15
DSPPWR
O
DSP power ON signal output (H: ON, L: OFF)
16
VSS
—
Ground
17
OSC1
I
Main clock input (8 MHz)
18
OSC2
O
Main clock output (8 MHz)
19
VDD
—
Power supply pin (+3.1 V)
20
XI
I
Sub clock input (32.768 kHz)
21
XO
O
Sub clock output (32.768 kHz)
22
NMOD
I
Not used (Connected to GND)
23
XRESET
I
CPU reset signal input
24
DMOD
I
Not used (Pull up)
25
VREF
—
Power supply pin (+) for A/D converter. (+3.1 V)
26
BATT
I
Battery level A/D input
27
KEYIN0
I
Key 0 A/D input
28
KEYIN1
I
Key 1 A/D input
29
HOLDHPDET
I
HOLD switch/headphone detection signal input
30
SHIMUKE
I
Destination setting pin
31
XBATTEN
O
Battery level sense enable signal output (L: Enable)
32
VDD
—
Power supply (+3.1 V)
33
D+
I/O
USB D+ signal input/output
34
D–
I/O
USB D– signal input/output
35
VSS
—
Ground
36
FM_SCK
O
FM tuner serial clock output
37
FM_SDAO(TX)
O
FM tuner serial data output
38
FM_SDAI(RX)
I
FM tuner serial data input
39
SCK1(DSP)
O
DSP I/F serial clock output
40
SO1(DSP)
O
DSP I/F serial data output
41
SI1(DSP)
I
DSP I/F serial data input
42
XDSPRST
O
DSP reset signal output (L: Reset)
43
DSPIFREQ
O
DSP I/F request signal output
44
DSPIFRW
O
DSP I/F read/write signal output
45
LMUTE
O
Audio line muting signal output
46
TRON/CLKOUT
O
USB TRON signal output
47
BEEP
O
Beep signal output (PWM: 16 bit timer)
48
WAKEUP
I
Wakeup interruption signal input
49
FM_LCLDX
O
FM Local/DX ON signal output (H: Local, L: DX)
50
FM_SCE
O
FM serial chip select signal output (L: Enable)
51
XVBUSDET
I
VBUS detection signal input (L: VBUS ON)
52
XDSPIFACK
I
DSP acknowledge interruption signal input
53
FM_PWR
O
FM tuner power ON signal output (H: ON, L: OFF)
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