HD66523 Datasheet, PDF (11/19 Pages) Hitachi Semiconductor – (240-Channel Common Driver with Internal LCD Timing Circuit)

HD66523
Example of System Configuration (2)
Figure 8 shows a system configuration for a 240 * 320 dots LCD panel using segment driver HD66522
with internal bit-mapped RAM.
SEG1
SEG2
240
LCD
SEG159
SEG160
SEG161
SEG162
SEG319
SEG320 Scanning direction
V_CC
X1 to X240
FLM,CL1,
4 _{FX1, FX0}
1 _DOC
LCD driver
HD66523
DOC
LCD timing generator
DISPOFF
CR
R
C
DUTY SHL M/S
BP4 to BP0
5
RESET
1
V_CC
17
8
3
A0 ~ A16
DB0 ~ DB7
CS,WE,OE
VCH, VM, VCL, VLCD, V_EE ^{VRH, VM, VRL, VLCD, VEE}
1
DISPOFF
Power supply circuit
Figure 8 System Configuration (2)
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