JEWEL HILL ELECTRONIC CO.,LTD.
7. MODULE FUNCTION DESCRIPTION
7.1. PIN DESCRIPTION
Pin No.
1
2
3
4
5
6-13
14
15
16
17
18
19
20
21
22
23
24-27
28
29
30
Symbol
Description
CS1B
Chip select signal input, Low active.
RESETB
Reset signal input, Low active
Data/command select signal input, H: Data; L: Command
When use 8080 MPU, this is active Low and Write signal input pin.
RW_WRB
When use 6800 MPU, H: Read; L: Write.
When use 8080 MPU, this is active Low and Read signal input pin.
E_RDB
When use 6800 MPU, this is active High and Enable Clock input pin.
8-bit bi-directional Data bus. When “P/S=L”, D0-D5 fixed to “H”.
DB0-DB7
D6 is serial clock input (SCL), D7 is serial data input (SDA).
VDD
Power supply for Positive (+3V).
RS
VCI
VSS
VOUT
CAP4+
CAP3+
CAP1-
CAP1+
CAP2+
CAP2-
V1-V4
V0
C86
P/S
Refer voltage for LCD voltage converter circuit
Power supply for Ground (0V).
DC/DC voltage converter. Connect a capacitor between this pin VSS.
DC/DC voltage converter. Connect to Vout when use 4-time voltage
converter,and connect a capacitor between this pin and CAP2- when use
5-times voltage converter.
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-.
DC/DC voltage converter. Connect a capacitor between this pin and
CAP2-.
DC/DC voltage converter. Connect a capacitor between this pin and
CAP2+.
This is multi-level power supply for liquid crystal driver, and must
maintain the relative
magnitudes shown below:
V0
≧V1 ≧V2 ≧V3 ≧V4 ≧Vss
MPU interface select pin, “H”: 6800 MPU interface, “L”:8080 MPU
interface. When “P/S=L”, this pin fixed to “H” or “L”.
Parallel/serial data input select.
“H”: Parallel data input; “L”: Serial data input.
GG2015
VER: 2.0
-
6-
Issue date: 2005/11/21
JHE [ JEWEL HILL ELECTRONIC ]
