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Pin No.
Pin Name
I/O
Description
IC DESCRIPTION-4/4 (TMP87CM24)-1/2
VSS1
XOUT
XIN
_____________
RESET
CXOUT
CXIN
TEST
V1
P20
P40
BUZZER
PWR_ON
CLK-SHIFT
P44
P45
FUNC_A
FUNC_B
TU_DATA
TU_CLK
TU_PERIOD
MONO_SW
FM_STEREO
CDR/W
ATTN1
ATTN2
P10
P11
CCE
PUIN
CD_DOOR
MUTE
P53
P54
—
O
I
I
O
I
I
O
I
I
O
O
I
O
I/O
I
O
I/O
O
O
IN
O
O
O
O
I
I
I
I
O
I
I
O
I
I
Ground
Resonator connecting pins for 4MHz frequency clock.
Resonator connecting pins for 4MHz frequency clock.
Reset signal input
Resonator connecting pins. (32.768kHz)
Resonator connecting pins. (32.768kHz)
Test pin for out-going test.Be fixed to low.
LCD voltage booster pin. Capacitors are required between V1 pin and Ground.
STOP mode release signal input.
Timer / Counter input. (Not connected.)
BUZZER signal output.
PWE_ON signal output.
CLK-SHIFT serial data input.
SIO1 serial output. (Not connected.)
SIO2 serial clock input/ output. (Not connected.)
FUNC_A signal input. (Not connected.)
FUNC_B signal output. (Not connected.)
TU_DATA signal input/output.
TU_CLK signal output.
TU_PERIOD signal output.
MONO_SW signal input.
FM-STEREO signal output.
CDR/W signal output.
ATTN1 signal output.
ATTN2 signal output.
External interruput input 0. (Not connected.)
FM STEP signal input.
AREA2 signal input
24HR signal output.
FM STEP signal output.
“AREA_1,24HR signals input”
Programmable input/output port.
CD-ON signal output.
BUS0-BUS3 signal inputs/outputs.
Clock signal input.
Chip enable signal output.
PUIN signal input.
CD-DOOR signal input.
MUTE signal output.
A/D converter analog input. (Not connected.)
A/D converter analog input. (Not connected.)
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