EM65571AGH EMC [ELAN Microelectronics Corp], EM65571AGH Datasheet - Page 22

• Manufacturer Part Number: EM65571AGH
• Description: 130COM / 128SEG 65K Color STN LCD Driver
• Manufacturer: EMC [ELAN Microelectronics Corp]

EM65571
130COM/128SEG 65K Color STN LCD Driver
16 •
6.4 LCD Drive Circuit Signals
SEGA0-A127
SEGB0-B127
SEGC0-C127
Symbol
COM127
Symbol
COM0-
COMA
COMB
TEST
P/S
I/O
I/O
O
O
O
O
I
I
For testing. Fix to “L”
Parallel/Serial interface select pin.
P/S = “H”: For parallel interface
P/S = “L”: For serial interface. Fix D15-D5 pins to Hi-Z, and fix RDB and
WRB pins to either “H” or “L”
Segment output pins for the LCD driver.
Basing on the Display RAM data, non-lighted at “0”, lighted at “1”
(Normal Mode), non-lighted at “1”, lighted at “0” (Reverse Mode) and
by a combination of M signal and display data, one signal level among
V0, V2, V3 and VSS signal level is selected.
(For Monochrome Display)
Common output pins for the LCD drivers. By a combination of the
scanning data and M signal, one signal level among V0, V1, V4 and
VSS signal level is selected.
Common output pin for LCD drive exclusively for icons.
Common output pin for LCD drive exclusively for icons.
P/S
H
L
M Signal (internal)
Display RAM
Normal Mode
Chip select
Data
Reverse
Data
H
H
Mode
L
L
CSB
CSB
(This specification is subject to change without further notice)
Identification
Data
RS
RS
Description
Description
Product Specification (V1.0) 08.04.2005
V2
V0
M
H
H
L
L
D0-D7 RDB, WRB
Data
SDA
V0
V2
VSS
Read/Write Serial Clock
V3
Write only
VSS
Output Level
V3
VSS
V1
V0
V4
SCL
-