HD66717 Datasheet, PDF (5/90 Pages) Hitachi Semiconductor – (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver)

HD66717
HD66717 Block Diagram
OSC1 OSC2
SFT
EXM AGND
CPG
RESET*
TEST
IM1/0
RS/CS*
E/SCL
RW/SDA
DB7–DB6
DB5/ID5
–DB0/ID0
System
interface
• I ²C bus
• Clock-
synchro-
nized
serial
• 4 bits
• 8 bits
Input/
output
buffer
Instruction
register
(IR)
Instruction
decoder
8
7
Address
counter
7
8 _Data
register
(DR)
Busy
flag
5
3
8
75
Timing generator
7
Display data RAM
(DDRAM)
60 × 8 bits
ASEG1–
ASEG10
Annunciator
driver
ACOM
COM1–
COM32
34-bit Common
shift signal
register driver
COMS1/2
8
60-bit 60-bit
shift latch
register circuit
SEG1–
Segment SEG60
signal
driver
8
Vci
C1
C2
V5OUT2
V5OUT3
Booster
Segment
RAM
(SEGRAM)
8 bytes
Character
generator
RAM
(CGRAM )
32 bytes
Character
generator
ROM
(CGROM)
9,600 bits
Cursor and
blink
controller
5
5
Parallel/serial converter
LCD drive
voltage
selector
V_CC
GND
+–
R
+–
+–
+–
+–
R
2R
R
R
VR
OPOFF
V1OUT
V2OUT
V3OUT
V2
V3
V4OUT V5OUT
V_EE
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