— 23 —
5-5. EXPLANATION OF IC TERMINALS
IC801 (SYSTEM CONTROLLER) TMP88CM22F-TUMP1
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
35
36
37
38
39
40
I/O
—
O
I
O
O
O
O
O
O
O
I
O
O
I
I
I
I
I
I
I
I
I
I
—
I
I
I
O
O
O
I
O
O
O
I
I
I
I
I
I
Description
Ground terminal.
Headphone IC power switch.
Focus OK signal input from the digital servo processor (IC601). “L”: NG, “H”: OK
AGC control pulse signal output terminal.
CD mode on.
Tuner power block on. (Supply vin)
Analog audio muting ON/OFF control signal output terminal. “H”: muting ON
VCC2 voltage control signal output terminal.
Reset signal output to IC601. “L”: reset
Serial data transfer clock signal output to IC601.
Serial data input from the IC601.
Serial data output to IC601.
WAKE-UP control signal output terminal (for system standby reset).
Plug-in detection signal input terminal of LINE OUT/OPTICAL OUT.
Battery charge voltage detection input from the power control (IC401).
Volume key input terminal.
Battery voltage detection signal input terminal
Key input terminal.
Key input from the headphone with remote commander (A/D input).
DC input voltage detection input terminal (A/D input) and DC input jack use/no use
detection input terminal.
CD door open/close detection switch (S801) input terminal.The stop status is reset with the falling
edge of input signal.
Reference voltage input terminal (0V) for A/D converter.
Reference voltage input terminal (+2V) for A/D converter.
Power supply terminal (+2V).
Sub-code sync (S0+S1) detection signal input from the IC601.
GRSCOR signal input from the IC601.
FG pulse signal input.
Beep sound output to the headphone amplifier (IC302).
DTS pull up 200K.
Communication clock output to the communication format converter (IC802).
Communication data bus input of headphone with remote commander from the
communication format converter (IC802).
Communication data bus output of headphone with remote commander to the
communication format converter (IC802).
Read/write control signal output of headphone with remote commander to the
communication format converter (IC802). “L”: read mode, “H”: write mode
Serial data latch pulse signal output of headphone with remote commander to the
communication format converter (IC802).
WFCK signal input from the IC601.
G PROTECTION switch input.
Not used (Fixed at “H”).
AVLS (Automatic Volume Limiter System) switch (S803) input terminal.
“L”: normal mode, “H”: limit mode
HOLD switch (S803) input terminal. “L”: hold ON, “H”: hold OFF
External battery detection signal input terminal.
Pin Name
VSS
PWRSW
FOKI
AGCPWM
CDON O
SWEN2 O
AMUTE
VCC2 ON
XRST O
SCK O
SDTI I
SDTO O
SLPOUT O
AD CDTEST
AD CHGMNT
AD RM KEY
AD BATMNT
AD CDKEY
AD RM INT
AD DCINMNT
WP OPEN
VREFL
VREFH
VDD
SCOR
GRSCOR
TUON
BEEP
XCDRESETTU
TUON
G SHOCK
XL101
AVLS
HOLD
BATT DET I
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299