JEWEL HILL ELECTRONIC CO.,LTD.
7. MODULE FUNCTION DESCRIPTION
7.1. PIN DESCRIPTION
Pin No. Symbol
Description
This is multi-level power supply for liquid crystal driver, and must
maintain the relative magnitudes shown below:
1
2
3
V0
V4
V3
V0 ≧V1 ≧V2 ≧V3 ≧V4 ≧Vss
4
5
6
V2
V1
DC/DC voltage converter. Connect a capacitor between this pin and
CAP2+.
CAP2-
DC/DC voltage converter. Connect a capacitor between this pin and
CAP2-.
DC/DC voltage converter. Connect a capacitor between this pin and
CAP1-.
DC/DC voltage converter. Connect a capacitor between this pin and
CAP1+.
DC/DC voltage converter. Connect a capacitor between this pin and
CAP1-.
7
8
CAP2+
CAP1+
CAP1-
CAP3+
9
10
DC/DC voltage converter. Connect a capacitor between this pin and VDD
or VSS.
11
12
VOUT
VSS
Power supply for Ground (0V).
Power supply for Positive (+3V).
13
VDD
8-bit bi-directional Data bus
14-21
22
D7-D0
E_RDB
RW_WRB
RS
this is active Low and Read signal input pin.
this is active Low and Write signal input pin.
Data/command select signal input, H: Data; L: Command
Reset signal input, Low active
23
24
25
/RES
Chip select signal input, Low active.
26
/CS
GG2018
VER: 2.0
- 6 -
Issue date: 2005/11/21
JHE [ JEWEL HILL ELECTRONIC ]
