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IC, TMP47C443LDM-1B45(EL)
IC DESCRIPTION
1
XOUT
O
Connected to 4MHz crystal oscillator.
2
XIN
I
3
RESET
I
Input reset signal.
4
EJECT SW
I
Input EJECT SW."H": OFF, "L": ON.
5
BUZR
O
Output buzzer sound.
6
TEST
I
Input test mode. "H": Test ON. (Connected to GND)
7
HOLD
I
Input HOLD SW. "H": OFF, "L": ON.
8
NC
–
Connected to GND.
9
L.V.STOP
I
Input reducing voltage detection. "L": Mecha STOP.
10
MAIN IN
I
Input key from main unit(A/D).
11
REMOTE IN
I
Input key from remote controller(A/D).
12 ~ 13
NC
–
Not connected.
14
POWER ON
O
Output power for audio circuit. "L": ON.
15
GND
–
Connected to GND.
16
PHOTO OUT
O
Microcomputer detection P-SNSR level output pin.
17
LOAD CTL
O
Output for voltage supply checking. "L": Check.
18
MOT ON
O
Output motor activation. "L": ON.
19
MOT DIR
O
Output motor rotating direction. "L": Counterclockwise.
20
BRAKE
O
Output motor brake. "L": ON.
21
MOT HI
O
Output motor hi-speed activation. "L": ON.
22
MOT CH
I
Input motor activation detection.
23
NC
–
Connected to GND.
24
P-SNSR
I
Input sensor waveform.
25
C-SW
I
Input cassette tape detection. "H": Not exist, "L": Exist. (Connected to GND)
26
AUTO SW
I
Input AUTO SW. "H": AUTO operation, "L": NO AUTO operation.
27
F/R CTRL
O
Output FWD, REV control. "L": REV.
28
MUTE
O
Output muting. "L":ON.
29
WAKE UP
I
Input micro-computer OSC ON.
30
VDD
–
Power supply (+3V).
Pin No.
Pin Name
I/O
Description
