4. Interface Pins
no
symbol
Description
1
2
3
4
5
6
GND
XL
YD
XR
YU
GND
Touch panel X-
Touch panel Y-
Touch panel X+
Touch panel Y+
GND
GND
7
8
LCM_ID Connect a 1K Resistor to IOVCC(1.8V/2.8V)
VCC&VCI VCC(2.8V)
9
IOVCC
FMARK
/CS
RS
/WR
/RD
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
DB16
DB17
/RESET
IM3
IOVCC(1.8V/2.8V)
Frame head pulse signal
Chip select signal(low active)
RS Signal (RS=0 : Contro,RS=1 : data)
Write Signal (low active)
Read Signal(low active)
Data Bit0
Data Bit1
Data Bit2
Data Bit3
Data Bit4
Data Bit5
Data Bit6
Data Bit7
Data Bit8
Data Bit9
Data Bit10
Data Bit11
Data Bit12
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Data Bit13
Data Bit14
Data Bit15
Data Bit16
Data Bit17
RESET signal(low active)
system interface control
system interface control
LED Anode
LED Cathode
GND
IM0
LEDA
LEDK
GND
Date : Apr. 18, 2008
LCM
TECHNICAL SPECIFICATION
HT2204L Page 11 of 24
HYES [ HYES OPTOELECTRONICS, INC. ]
