HM17CM256 HYNIX [Hynix Semiconductor], HM17CM256 Datasheet - Page 12

• Manufacturer Part Number: HM17CM256
• Description: 128XRGBX82 OUTPUT LCD DRIVER IC with built-in RAM
• Manufacturer: HYNIX [Hynix Semiconductor]

HM17CM256
- 12 -
PIN DESCRIPTION 3
No.
33
32
20
61
62
63
30
SEL68
NAME
TEST
FLM
M/S
P/S
CL
FR
I/O
I/O
I/O
I/O
I
I
I
I
Test port.
Latching signal pin of display data.
LCD synchronous signal (first line marker) I/O pin.
Alternated display signal of LCD driver output I/O pin.
Master / slave mode selection pin
P/S
H
CPU interface selection port
Serial / parallel interface selection port
Fix to ”L”.
Display line counter is counted up at the rising edge and LCD
driving signal is generated at the falling edge
Display start address is loaded in the display line counter at
FLM = “H”.
Fix to “H” or “L” according to operating mode.
L
state. Fix RD, WR to “H” or “L”.
M/S
H
L
M/S
M/S
M/S
P/S = “L” :serial interface selection ,D15~D5 goes to Hi-Z
select
H
H
H
L
L
L
SEL68
chip
CS
CS
status
master
mode
slave
command
data/
RS
RS
master
master
master
status
status
status
slave
slave
slave
68 series
oscillator
disable
enable
FUNCTION
H
SDA(D
D
data
0
~D
7
1
)
Power supply
80 series
RD, WR
write only
output
output
output
input
input
input
read/
FLM
write
disable
FR
enable
CL
L
SCL (D
serial clock
-
0
)