– 29 –
1
M.CTL
O
Motor control output terminal
“H”: MOTOR ON
2
M.DIR
O
Motor rotational direction control output terminal
“H”: CCW
3
M.BRK
O
Motor drive circuit control output terminal
“H”: BREAK ON
4
PM CTL
O
Plunger control output terminal
“H”: PLUNGER ON
5
RESET
I
Reset signal input terminal
“H”: RESET
6
TEST1
I
Test pin (connected to GND)
7
TEST2
I
Test pin (connected to GND)
8
TEST3
I
Test pin (connected to GND)
9
SET STOP
I
Stop signal input terminal
10
BATT DET
I
Power supply voltage detection input terminal
11
DATA IN
I
Receivers receive data input terminal
12
MODE SW
I
Reverse mode select and BL SKIP ON/OFF signal input terminal
“H”: Reverse mode continuation, BL SKIP ON
13
F/R CTL
O
FWD/REV select signal output terminal
“H”: FWD
“L”: REV
14
MUTE CTL
O
Audio power amplifier muting control output terminal
“L”: MUTE ON
15
XTB
O
Crystal connection for clock oscillation (32.768 kHz)
16
XT
I
Crystal connection for clock oscillation (32.768 kHz)
17
VDD
—
1.5 V power supply terminal
18
VSS1
—
Ground terminal
19
VCM
—
Increases the power supply voltage
20
VCP
—
Increases the power supply voltage
21
VSS2
—
Increases the power supply voltage
22
VEE
—
Increases the power supply voltage
23
BEEP
O
Outputs a beep sound terminal (f=1.6 kHz)
24
REW
I
REW signal input terminal
25
FF
I
FF signal input terminal
26
PLA
I
PLAY signal input terminal
27
STOP
I
STOP signal input terminal
28
AME IN
I
Music presence/absence detection terminal
“H”: Present
29
PHOTO IN
I
Rotation check input terminal
30
TC DATA OUT
O
Receivers transmit data output terminal
31
E2 DATA
I/O
EEPROM serial data input/output terminal
32
E2 SCLK, PHOTO
O
EEPROM serial clock output terminal
33
E2 CS
O
EEPROM control signal output terminal
34
CH CTL
O
Transmit channel select signal output terminal
35
TX CTL
O
Transmit circuit power control signal output terminal
36
FWD SW
I
MD MODE switch signal input terminal
“H”: FWD play
37
REV SW
I
MD MODE switch signal input terminal
“H”: REV play
38
HOLDER SW
I
HOLDER open/close switch signal input terminal
“L”: Close
39
VDD
—
Power supply terminal (+1.5V)
40
HP PLUG
I
Headphone connect detection signal input terminal
41
L. BATT
O
Power supply voltage lower detection signal output terminal
42
POWER CTL
O
Audio system power supply control signal output terminal
43
RX CTL
O
Receive circuit power supply control signal output terminal
44
LOAD CTL
O
Battery remain detect signal output terminal
6-6.
IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC701 MSM6545-20GS (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Function
