HD66760 Datasheet, PDF (4/105 Pages) Hitachi Semiconductor – 104 X 80-dot Graphics LCD Controller/Driver for 256 Colors

HD66760
HD66760 Block Diagram
Vcc
RESET*
TEST
Index register
(IR)
Control
register (CR)
OSC1 OSC2
CPG
Timing generator
IM2, IM1,
IM0/ID
7 16
CS*
RS
E/WR*/SCL
RW/RD*/SDA
System interface
16 bits
8 bits
I2C bus
16
DB0-DB15
Vci
C1+
C1-
C2+
C2-
C3+
C3-
C4+
C4-
C5+
C5-
C6+
C6-
VLOUT
Three-, four, five,
and six-times
step-up
VSW1
VSW2
VREG
V1REF
VLREF
VL1REF
Power-supply
regulator
Contrast
adjuster
Address counter
(AC)
16
Bit operation
16
14
16 Read data ¹⁶
latch
16
Bidirec-
tional
common
shift
register
(80 bits)
Common
driver
COM1-
COM80
Graphics RAM
(GRAM)
8,320 bytes
Latch
circuit
(312 bits)
Segment
driver
SEG1-
SEG312
Grayscale palette (GSP)
<R> <G> <B>
16-grayscale control circuit
Window cursor control
Drive bias controller
VTEST
VLPS
+–
+–
+–
+–
+–
VR
R
R
R0
R
R
OPOFF V1OUT
V2OUT
V3OUT V4OUT
V5OUT
GND
4