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LED
back-
light
V
V
LED
LSS
3
Timing
Generator
7
Address
7
Counter
(AC)
7
Instruction
Decoder
8
Instruction
Register (/R)
NOTES:
1. LM16152 incorporates a temperature compensation circuit
within the bias voltage generator. See table 12.
2. For the inverters of EL backlights, please contact your
representative.
Display Unit User's Manual
EL
EL
back-
Inverter
light
(See note 2)
Display
Signals
LCD
Panel
Scanning
Signals
Common
Electrode
Drive
Circuit
3
7
Cursor/Blink
7
Controller
Display Data
7
RAM
8
(DD RAM)
80 x 8 bits
8
7
7
Data Register
8
8
I/O Buffer
4
RS R/W E
DB
- DB
DB
4
7
Figure 1. Functional Block Diagram
5 V
Data
Segment
Electrode
Drive
Circuit
3
4
Character
Generator
8
ROM
(CG ROM)
7,200 bits
Character
Generator
8
ROM
(CG ROM)
512 bits
Busy
(DR)
Flag (BF)
4
- DB
0
3
Dot-Matrix LCD Units
4
5
Parallel-to-Serial
Converter
5
Voltage
Generator
(See Note 1)
V
DD
6
Bias
V
V
O
SS
LCD27-6
7
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