39
CFD-E75
Pin No.
Pin Name
I/O
Description
67
TAPE
O
Tape function control signal output to the TA2068N (IC301)
“L”: radio or CD on, “H”: tape on
68
TU-DATA
O
PLL serial data output to the FM/AM PLL (IC2)
69
TU-CLK
O
PLL serial data transfer clock signal output to the FM/AM PLL (IC2)
70
TU-MUTE
O
Tuner muting on/off control signal output to the FM/AM PLL (IC2) “H”: muting on
71
BEEP-H/L
O
Buzzer sound signal level control signal output “L”: low, “H”: high
72
VDD
—
Power supply terminal (+5V)
73
TX
O
Sub system clock output terminal (32.768 kHz)
74
TEX
I
Sub system clock input terminal (32.768 kHz)
75
NC
O
Not used (open)
76
ISS-1
O
ISS 1 on/off control signal output terminal “H”: ISS 1 on Not used
77
ISS-2
O
ISS 2 on/off control signal output terminal “H”: ISS 2 on Not used
78
TU-COUNT
I
PLL serial count data input from the FM/AM PLL (IC2)
79
TC-REC
I
Record/playback detection signal input “L”: playback mode, “H”: recording mode
80
TC-PLAY
I
Tape play detection switch (S304) input terminal “L”: tape play mode