HD66750 Datasheet, PDF (8/96 Pages) Hitachi Semiconductor – 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions

HD66750/1
HD66750/1 Block Diagram
RESET*
TEST
Instruction register
(IR)
OSC1 OSC2
CPG
Instruction
decoder
Timing generator
16
IM1-0
Address counter
(AC)
128-bit
bidirectional
common shift
register
Common
driver
COM1/128Ð
COM128/1
CS*
RS
E/WR*
RW/RD*
16
DB0-DB15
System
interface
Â¥ 16-bit bus
Â¥ 8-bit bus
16
Bit operation
16
16 _{Read data}
latch
16
12
16
Vci
C1+
C1-
C2+
C2-
C3+
C3-
C4+
C4-
C5+
C5-
C6+
C6-
VLOUT
Two-, five-,
six-, and
seven-times
booster
Graphic RAM
(CGRAM)
4,096 bytes
Four grayscale control
circuit
Window cursor control
128-bit latch
circuit
Segment
driver
SEG1/128-
SEG128/1
LCD drive
voltage selector
Contrast adjuster
Vcc
Drive bias controller
VTEST
VLCD
+-
+-
+-
+-
+-
VR
R
R
R0
R
R
OPOFF
V1OUT
V2OUT V3OUT V4OUT V5OUT _GND
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