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BO LYM I N
t
V
A
A
A
x
4
4
A
BF128128A
Feature
1. FSTN Transflective LCD, COF package
2. Built-in driver HD66750
3. 1/128 duty cycle
4. +3V single power supply
5. Option: temperature compensation
Mechanical Data
Item
LCD Dimension
Viewing Area
Dot Size
Dot Pitch
Standard Value Unit
36.3 x 38.9
30.5 x 32.0
0.199 x 0.219
0.213 x 0.233
mm
mm
mm
mm
Pin Assignment
Pin Symbol Function
1
2
3
4
5
6
7
8
9
10
11
NC
DB7-0
RES
CS
A0
WR
RD
Vss
Vdd
ID
NC
Dimension
No connection
Data bus line
Reset signal
Chip select
Register select
(H: control L:index/status)
For 80 series
For 80 series
Power supply(GND)
Power supply(+3V)
Pull down to Vss
No connec
0.6
6.0Max
4-R10
Electronic Characteristics
Item Symbol Condition
Input Voltage
Supply Current
LCD Driving
Voltage
0.
1(A.A)
Vdd
Idd
Vlcd-Vss
0.19
Vdd = +3V
Vdd = +3V
o
25 C
Typical
Value
3.0
0.2
10.5
Unit
V
mA
V
nt
Area
2
R/C
V
A Block
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