AZ DISPLAYS, INC.
PIN Assignment
Pin
1
2
ACM0801C
Symbol
XRESET
RS
Function
Ext er nal r eset pi n. Low act i ve.
Sel ect r egi st er .
0: I nst r uct i on r egi st er ( f or w i t e) Busy f l ag
r
&addr ess count er ( f or r ead)
1: D a r egi st er ( f or w i t e and r ead) .
at
r
Chip sel ect in par al l el
m
ode and ser i al
i nt er f ace( Low act i ve)
R
ead/ w i t e sel ect si gnal.
r
O at i on ( dat a r ead/ w i t e) enabl e si gnal .
per
r
Four hi gh or der bi - di r ect i onal t hr ee- st at e dat a
bus pi n.
U
sed f or dat a t r ansf er and r ecei ve bet w
een t he M
PU
and t he ST7032. D can be used as a busy f l ag. I n
B7
serial int er f ac e mode D i s SI ( i nput data) , D i s
B7
B6
SCL(serial clock) .
Signal ground f or LCM( GND)
Power supply for logic f or L
CM
Cont rast adjust
3
4
5
6
7
8
9
10
11
12
C
SB
R
/W
E
D
B4
D
B5
D
B6
D
B7
VSS
VDD
V0
Absolute Maximun Ratings
Power supply voltage
VD - VSS
D
Input voltage
VIN
Operating temperature range
T
A
Storage temperature range
T
STO
* Wide temp e rature r ange i s avai l abl e
0
VSS
- 20
- 25
-
-
-
-
7.0
VDD
+70
+75
V
°C
DC Characteristics
Parameter
Symbol
Supply volt age VDD-V0
for LCD
Operating
VDD
voltage
Supply current I DD
Input leakage
current
I LKG
Condition s
Ta = 25°C
M n.
i
-
2. 7
Ta=25°C
VD =5. 0V
D
-
-
Typ.
3.3
5.0
0.8
-
Max.
-
5.5
1.0
2.0
mA
uA
Unit
V
Page 4 of 11
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