— 83 —
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14 ~ 21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
O
—
—
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
—
—
—
—
—
—
—
I
I
I
I
I
I
I
—
O
I
I
O
I
Description
Emphasis ON/OFF switching signal output. 1: OFF.
Motor (M931) speed control signal output.
Motor (M931) stop signal output. 0: Motor stop.
Not used. (Open).
Not used. (Open).
Control signal output to charge LED. 1: LED ON.
Power supply control output. 1: Power supply ON.
Power supply control output to LCD MODULE (LCD901). 1: LCD ON.
Back-light ON/OFF switching signal output. 1: Back-light ON.
Optical light output enable signal output.
OPT1/OPT2 select signal output.
Strobe signal output to LCD driver.
Serial clock output to LCD driver.
Data output to LCD driver.
AC IN detection. 0: Active pull up.
Detection input from LION switch (S951). 0: Li battery.
Detection input from RELEASE switch (S953). 0: RELEASE switch ON.
Detection input from XLOCK switch (S655).
Playback key input.
Record key input.
CLOCK SET key input.
POWER key input.
System reset signal input.
Terminal to which external system clock (10 MHz) crystal is connected.
Terminal to which external system clock (10 MHz) crystal is connected.
GND.
Not used. (Open).
Not used. (Open).
GND terminal of A/D converter.
Reference voltage input of A/D converter. (Connected VDD).
A/D key input 0.
A/D key input 1.
A/D key input 2.
A/D key input 3.
A/D key input 4.
Lithium ion b voltage monitor input.
AC voltage value detection input (Sampling detection).
Not used. (Open).
3 V
→
5 V output switch signal output.
Serial communication chip select signal input from system control (IC801).
Serial clock input from system control (IC801).
Serial communication output to system control (IC801).
Serial communication input from system control (IC801).
Pin Name
DEEMP
MOTOR CONT
MSTOP
TXD
RXD
CHARGE LED
PCONT
LCD ON
BLON
OPT EN
OPT
LCD STB
LCD SCK
DB0-DB7
AC IN
XLION
XRELEASE
XLOCK
PLAY KEY
REC KEY
CLOCK KEY
POWER KEY
RST
EXTAL
XTAL
VSS
TX
TEX
AVSS
AVREF
KEY0
KEY1
KEY2
KEY3
KEY4
LI+MNT
AC
NC
BUF EN
SCS0
SCK0
SDI0
SDO0
•
IC907 CXP84632-18Q (SYSTEM CONTROL) / RADIAL BOARD