HD66520 Datasheet, PDF (33/45 Pages) Hitachi Semiconductor – 160-Channel 4-Level Grayscale Display Column Driver with Internal Bit-Map RAM

HD66520T
Example of System Configuration
Figure 33 shows a system configuration for a 320-dot-wide by 240-dot-long LCD panel using HD66520s
and common driver HD66503 with internal liquid crystal display timing control circuits. All required
functions can be prepared for liquid crystal display with just three chips except for liquid crystal display
power supply circuit functions.
CS, WE, OE
/3
DB0–DB7
/8
A15–A0
/ ¹⁶
Power supply
circuit
LS0
LS1
HD66520
(ID No.0)
SHL
160
V_CC
LS0
HD66520
(ID No.2)
LS1
SHL
160
CR
R
C
320
Figure 33 System Configuration
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