hd66717 Renesas Electronics Corporation., hd66717 Datasheet - Page 5

• Manufacturer Part Number: hd66717
• Description: Low-power Dot-matrix Liquid Crystal Display Controller/driver -
• Manufacturer: Renesas Electronics Corporation.

HD66717
HD66717 Block Diagram
456
DB7–DB6
–DB0/ID0
DB5/ID5
V5OUT2
V5OUT3
RW/SDA
GND
RS/CS*
V
E/SCL
CC
RESET*
IM1/0
Vci
C1
C2
TEST
System
interface
• I C bus
• Clock-
• 4 bits
• 8 bits
synchro-
nized
serial
OPOFF
2
output
buffer
Input/
Booster
R
8
8
Busy
+ –
flag
register
Data
(DR)
V1OUT
Instruction
register
7
(IR)
(SEGRAM)
Segment
R
8 bytes
RAM
5
V2
+ –
3
V2OUT
Address
2R
Instruction
counter
(CGRAM )
decoder
Character
generator
32 bytes
OSC1
RAM
7
V3
+ –
CPG
V3OUT
5
Parallel/serial converter
7
8
OSC2
5
R
Character
(CGROM)
Display data RAM
generator
9,600 bits
+ –
ROM
60
(DDRAM)
V4OUT
5
8 bits
8
8
R
Timing generator
+ –
7
Cursor and
SFT
controller
V5OUT
blink
VR
register
60-bit
shift
V
EE
register
60-bit
circuit
latch
34-bit
shift
Annunciator
EXM
driver
Common
LCD drive
Segment
AGND
signal
driver
selector
voltage
signal
driver
ASEG1–
ASEG10
COM1–
COMS1/2
COM32
ACOM
SEG1–
SEG60