LH1594 SHARP [Sharp Electrionic Components], LH1594 Datasheet - Page 3

• Manufacturer Part Number: LH1594
• Description: 80-Segment and 17-Common Outputs LCD Driver IC with A Built-in CGROM
• Manufacturer: SHARP [Sharp Electrionic Components]

BLOCK DIAGRAM
D
D
D
D
OSCO
4
RESB
7
6
5
TEST
/ISEL
OSCI
WRB
/SDA
/SA0
/SCL
RDB
CSB
CKS
M86
P/S
RS
CK
D
D
D
D
0
1
2
3
120
121
122
126
125
123
124
135
136
137
138
139
140
141
142
119
130
131
128
129
15
DATA HOLDER
INSTRUCTION
COUNTER
DECODER
ADDRESS
11
DRIVE CIRCUIT
ANNUNCIATOR
BUSY
96 100
TIMING CONTROL
10
132 133 134
CIRCUIT
101
16
SEGRAM
CGRAM
DDRAM
3
CGROM
143 116
LCD DRIVE CIRCUIT
CURSOR BLINKING
CONTROL CIRCUIT
P/S CONVERSION
95
LATCHING
CIRCUIT
CIRCUIT
8
1
102
109
REGISTER
SHIFT
9
LH1594/LH1595
110
117
118
111
112
113
114
115
146
145
148
147
149
150
151
127
144
SHL
SHL
V
V
V
V
V
CAP
CAP
CAP
CAP
V
V
V
PMODE
V
0
1
2
3
4
OUT
R1
R2
EE
0
1
1
1
2
2
+
–
+
–