ML9055A View Datasheet(PDF) - Oki Electric Industry
Part Name
Description
Manufacturer
ML9055A Datasheet PDF : 59 Pages
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OKI Semiconductor
PEDL9055A-02-01
ML9055A-02
Function
Microcomputer
Interface
LCD Driver
Test
Symbol
RESET
Type
I
Description
Reset input pin (active “L”)
Parallel/serial data setting (H = Parallel, L = Serial)
PS0
PS1
I
PS0
PS1 Interface
L
L
3-line serial interface
L
H
4-line serial interface
H
L
8080 parallel interface
H
H
6800 parallel interface
Note: When using the serial interface, leave D0-D5 open and
connect E (RD) and R/W (WR) to VDD or VSS.
CS
I
Chip select input pin (active “L”)
Register select input pin
RS
I
Distinguishes between display data (H) and command data (L).
Connect this pin to VDD or VSS for 3-line serial interface.
When connected to a 68-series MPU: Read/write execute
control pin
R/W (WR)
I
(H = read, L = write)
When connected to an 80-series MPU: Write execute control pin
(L = write)
E (RD)
When connected to a 68-series MPU: E clock input pin
I
When connected to an 80-series MPU: Read execute control pin
(L = read)
When parallel interface is selected,
8-bit data bus pin
DB0 to
DB7
I/O
When serial interface is selected,
DB0 to DB5: Open
DB6(SCLK): Serial clock input
DB7(SDATA): Serial data input
SEG0 to
SEG127
O
LCD segment driver outputs
COM0 to
COM127
O
LCD common driver outputs
TEST1
TEST2
I
Test pin of this LSI. Connect this pin to VDD.
O
Test pin of this LSI. Leave this pin open
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