6
GX204KEF2/KHF2/LEF2
GX204REF2/SEF2
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SYSTEM MICROCOMPUTER: 703037HYGM04A (X14: IC801)
Pin No.
Pin Name
I/O
Application
Truth Value
Processing Operation Description
Table
1
SP_DATA_S
O
System
µ
-com
→
Panel
µ
-com data output
UART 19200bps
2
TUN_SDA
I/O
F/E I2C data input/output terminal
3
NC
O
Not used
Output L fixed
4
TUN_SCL
I/O
F/E I2C clock output terminal
5
NC
O
Not used
Output L fixed
6
SH_DATA_H
I
HTR-C
µ
-com
→
System
µ
-com data output
UART 4800bps
7
SH_DATA_S
O
System
µ
-com
→
HTR-C
µ
-com data output
UART 4800bps
8
CDX_MTS
O
6CD communication request output
L: Communication request to 6CD, H: Other
9
EVDD
5V potential
10
EVSS
GND potential
11
BEEP
O
BEEP output
3kHz BEEP output (pulse), L: Not active
12
AM_BYPS
O
D5V bypass power ON in AM
H: AM, L: Other
13
TEL_MUTE
I
TEL_MUTE request input (E type only)
L: TEL_MUTE request
13
NC
O
Not used (In other than E type)
Output L fixed
14
I
ILL+ detection
ILL ON: L
15
ILL_DET-
I
ILL- detection (pulse input)
H: ON, L: OFF, pulse input
Adjusts luminance with duty ratio.
16
VOL_SDA
I/O
E_VOL I2C data input/output
17
VOL_SCL
I/O
E_VOL I2C clock output
18~20
NC
O
Not used
Output L fixed
21
IC/VPP
(FLASH writing)
(FLASH writing)
22~25
NC
O
Not used
Output L fixed
26
BUS_DI
I
Sie-BUS data IN
BUS data input
BUS data output
6CD reset
L: Reset, H: Other
AVR control (Audio, MECHA)
L: Power ON, H: OFF (stable time 400m)
Sie-BUS ON request
L: System ON request
Sie-BUS ON output
L: System ON
L: System OFF
BUS_IC standby control
H: System ON
L: Reset, Reset voltage: 4.2V
35,36
XT1, XT2
Sub system clock oscillator terminal
Not used
37
REGC
38,39
X2, X1
Main system clock oscillator terminal
12.582MHz
40
VSS
-
GND potential
41
VDD
-
5V potential
42
CLKOUT
Not used
43
HARD_RESET
O
Hardware reset output
H: Reset, L: Other
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
