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5-1. IC PIN DESCRIPTIONS
• IC801 TMP88CM22F-1B20 (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
VSS
2
RMC_I
3
FOK_I
4
AGCPWM_O
5
VCDON_O
6
XV_RECV_O
7
AMUTE_O
8
VCC2ON_O
9
XRST_O
10
SCK_O
11
(SENS) MSDTI_I
12
MSDTO_O
13
WAKEUP_O
14
AD_SEL
15
AD_CHGMNT
16
AD_KEY2
17
AD_BATMNT
18
AD_KEY
19
AD_RMKEY
20
AD_DCINMNT
21
WP_OPEN (SLVCD)
22
VREFL
TE
L 13942296513
23
VREFH
24
VDD
25
SCOR_I
26
GRSCOR_I
27
FG_I
28
BEEP_O
29
XV_SEND_O
30
RMSCK_O
31
RMDATI_I
32
RMDATO_O
33
RMRW_O
34
RMLAT_O
35
WFCK
36
COMPON_I
37
(NTSC/PAL)
38
AVLS_I
39
HOLD_I
40
BATDET_I
41
XSPDOE_O
42
XDE_O
43
XLAT_O
44
XSOE_O
45
VOLUME_IC_LATCH_O
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46
XPOWLT_O
47
XDOUTON_O
48
XAPC_OFF_O
.
49
VRST_O
50 – 64
SEG14 – 0
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SECTION 5
DIAGRAMS
I/O
—
Ground
I
Infrared remote control signal input
I
Focus OK signal input from CXD3037R (IC601).
O
AGC control pulse output
O
CHG/HOLD LED control signal output
O
Control signal output for Switching power supply circuit.
O
Analog audio muting ON/OFF signal control signal output (H: Mute ON)
O
VCC2 voltage control output
O
Reset signal output to CXD3037R (IC601). (L: Reset)
O
Serial data transfer clock signal output to CXD3037R (IC601).
I
Serial data input from CXD3037R (IC601).
O
Serial data output to CXD3037R (IC601).
O
WAKE-UP control signal output (for system standby reset)
I
Plug-in detection signal input of AUDIO OUT (OPTICAL) jack.
I
Battery charge voltage detection input from TB2119F (IC401).
I
VCD key input
I
Battery voltage detection input
I
Key input from switch board (A/D input).
I
Key input from headphones with remote controller (A/D input).
I
DC input voltage detection input (A/D input) DC input jack use/no-use detect input
I
CD door open/close detection input
I
Reference voltage (0 V) input for A/D converter.
I
Reference voltage (+2 V) input for A/D converter.
—
Power supply pin (+2 V)
I
Sub code sync detection input from CXD3037R (IC601).
I
GRSCOR signal input
I
FG pulse input
O
Beep sound output to HEADPHONE AMP (IC351).
O
Request signal output to TMP87CM41U (IC803).
O
Communication clock to TMP87CM41U (IC803).
I
Communication data bus input from TMP87CM41U (IC803).
O
Communication data bus output to TMP87CM41U (IC803).
O
Read/write control signal output to headphones with remote. (L: Read, H: Write)
O
Serial data latch pulse output to headphones with remote.
I
WFCK input
I
G PROTECTION switch input
I
NTSC/PAL select input ("L": PAL, "H": NTSC)
I
AVLS (Automatic Volume Limiter System) switch input (L: Normal, H: Limit)
I
HOLD switch input (L: HOLD on, H: HOLD off)
I
EXT BATT plug-in detection input
O
Spindle motor driver control signal output
O
Optical pick-up VCC control signal output (L: on)
O
Serial data latch pulse output to CXD3037R (IC601). (for ESP)
O
Output enable signal output (for ESP)
O
Spindle motor driver latch output
O
Latch output to VCD control IC.
x
ao
u163
O
DIGITAL OUT LED control signal output
y
O
APC mute signal output (L: mute)
i
O
Reset signal output to TMP87CM41U (IC803).
O
LCD drive segment output
– 10 –
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2 9
8
Pin Description
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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