Table of Contents
Advertisement
• IC Pin Descriptions
IC703 MN101C93KSC (SYSTEM CONTROL, USB/LED/LCD DRIVER) (MAIN BOARD (2/2))
Pin No.
Pin Name
1 to 4
COM0 to 3
5 to 7
VLC3 to 1
8
C2/N.C
9
FLMPWR
10
XREDLED
11
XGRNLED
12
HPMUTE
13
SPAMPPWR
14
HPAMPPWR
15
DSPPWR
16
VSS
17
OSC1
18
OSC2
19
VDD
20
XI
21
XO
22
NMOD
23
XRESET
24
DMOD
25
VREF
26
BATT
27
KEYIN0
28
KEYIN1
29
HOLDHPDET
30
SHIMUKE
31
XBATTEN
32
VDD
33
D+
34
D–
35
VSS
36
FM_SCK
37
FM_SDAO(TX)
38
FM_SDAI(RX)
39
SCK1(DSP)
40
SO1(DSP)
41
SI1(DSP)
42
XDSPRST
43
DSPIFREQ
44
DSPIFRW
45
LMUTE
46
TRON/CLKOUT
47
BEEP
48
WAKEUP
49
FM_LCLDX
50
FM_SCE
51
XVBUSDET
52
XDSPIFACK
53
FM_PWR
I/O
O
LCD common 0 to 3 signal output
I
LCD VLC 3 to 1 signal input
I
Not used (Connected to VCC)
O
Flash memory power ON signal output (H: ON, L: OFF)
O
Red LED (REC) ON/OFF signal output (Open drain)
O
Green LED (PB) ON/OFF signal output (Open drain)
O
Headphone muting signal output (H: Headphone muting)
O
Speaker power amplifier power ON signal output (H: ON, L: OFF)
O
Headphone power amplifier power ON signal output (H: ON, L: OFF)
O
DSP power ON signal output (H: ON, L: OFF)
—
Ground
I
Main clock input (8 MHz)
O
Main clock output (8 MHz)
—
Power supply pin (+3.1 V)
I
Sub clock input (32.768 kHz)
O
Sub clock output (32.768 kHz)
I
Not used (Connected to VCC)
I
CPU reset signal input
I
Not used (Pull up)
—
Power supply pin (+) for A/D converter. (+3.1 V)
I
Battery level A/D input
I
Key 0 A/D input
I
Key 1 A/D input
I
HOLD switch/headphone detection signal input
I
Destination setting pin
O
Battery level sense enable signal output (L: Enable)
—
Power supply pin (+3.1 V)
I/O
USB D+ signal input/output
I/O
USB D– signal input/output
—
Ground
O
FM tuner serial clock output
O
FM tuner serial data output
I
FM tuner serial data input
O
DSP I/F serial clock output
O
DSP I/F serial data output
I
DSP I/F serial data input
O
DSP reset signal output (L: Reset)
O
DSP I/F request signal output
O
DSP I/F read/write signal output
O
Audio line muting signal output
O
USB TRON signal output
O
Beep signal output (PWM: 16 bit timer)
I
Wakeup interruption signal input
O
FM Local/DX ON signal output (H: Local, L: DX)
O
FM serial chip select signal output (L: Enable)
I
VBUS detection signal input (L: VBUS ON)
I
DSP acknowledge interruption signal input
O
FM tuner power ON signal output (H: ON, L: OFF)
Pin Description
ICD-P330F
17
Advertisement
Table of Contents
