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IC101 TMP87CP64YF - 6335 (MASTER CONTROL)
SECTION 5
EXPLANATION OF IC TERMINALS
Pin No.
Pin name
I/O
Description
1
V
SS
–
Ground
2
X OUT
O
Main system clock. (10MHz)
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
3
X IN
I
–––––––––––––––
4
RESET
I
Reset signal input terminal.
5
X OUT
O
Sub system clock.(32kHz).
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
6
X IN
I
7
GND
–
Ground.
–––––––––––––––––––
8
BACK UP
I
BACK-UP mode input terminal.
9
COUNT SW
–
Not used. (Ground)
10
INIT SW
–
Not used. (Ground)
11
DISC SENS
–
Not used. (Ground)
12
MID SENS
–
Not used. (Ground)
13
CD XRST
O
CD Reset output.
“L” : RESET
14
POWER
O
Power on output.
“L” : ON
15
MUTE
O
Mute output.
“L” : MUTE
16
MPX
–
Not used. (Open)
17
KEYCON LATCH
–
Not used. (Open)
18
VOL LATCH
O
Latch output to volume control. (TC9210P)
19
ST MUTE
–
Not used. (Open)
20
ST FM
–
Not used. (Open)
21
FUNC A
O
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
22
FUNC B
O
Function Select.
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
23
FUNC C
O
24
GEQ.LATCH
O
Latch output to gray control. (M6243FP)
25
RDS. INT
I
Not used. (+5V)
I
Sub code sync SO+SI detection input from DSP. (CXD2507AQ)
I
SENS input from DSP. (CXD2507AQ)
O
Power on output.
“H” : ON
–
Not used. (Open)
–
Not used. (Open)
–
Not used. (Open)
O
Chip enable output to tuner PLL IC. (LC72130)
I
FM/AM Stereo identification.
“L” : STEREO
I
FM/AM Tuning identification.
“L” : TUNING
O
Sub-code Q data scanning clock output to DSP (CXD2507AQ), RDS clock output.
36
SQ-RDS-DI
I
Sub-code Q data input from DSP (CXD2507AQ), RDS data input.
37
RDS-RESET
–
Not used. (Open)
38
CLK
O
System clock output.
39
D. IN
I
Serial data input from tuner.
40
D. OUT
O
Serial data (COMN) output.
FUNCTION FUNC A
FUNC B
FUNC C
ST
L
L
H
CD
L
H
H
TC
H
L
H
MD
H
H
L
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