參數(shù)資料
型號: HD66732
廠商: Hitachi,Ltd.
英文描述: Graphics Liquid Crystal Display Controller/Driver Supporting JIS Level-1 and Level-2 Kanji ROM(圖形LCD控制器/驅動器)
中文描述: 圖形液晶顯示控制器/驅動器支持日標級- 1和第2級漢字光盤(圖形液晶顯示控制器/驅動器)
文件頁數(shù): 6/133頁
文件大?。?/td> 2608K
代理商: HD66732
HD66732
6
HD66732 Block Diagram
System
interface
Clock
synchro-
nized
serial
4-bit bus
8-bit bus
Data
r(DR)
Address
counter
(AC)
Timing generator
Display data RAM
(DDRAM)
80 bytes
Character
generator
RAM
(CGRAM)
780 bytes
Full-size
character
generator
ROM
(FCGROM)
1,048 kbits
Parallel/serial converter
120-bit
latch
circuit
120-bit
segment
shift
register
54-bit bidirectional
Common
driver
Segment
driver
LCD drive
voltage
selector
CPG
Instruction
decoder
RS
RW/RD*/SDA
E/WR*/SCL
Vcc
V
LCD
COM1/52–
COM52/1
SEG1/120–
SEG120/1
OSC1
OSC2
8
8
6
10
8
7
7
8
8
Vci
Single to
quadruple
booster
C1+
C1-
C2+
C2-
C3+
C3-
8
7
Segment
RAM
(SGRAM)
60 bytes
IM2-1
RESET*
+ -
+ -
+ -
+ -
VLOUT
+ -
GND
COMS1/2,
VR
R
R
R
0
R
R
TEST
V1OUT
V2OUT
V3OUT
V4OUT
V5OUT
OPOFF
IM0/ID
Key scan
timing
controller
Key scan
registers (SCAN0
–SCAN3)
DB0/KIN0–
DB7/KIN7
KST0–
KST3
8
PORT0–
PORT2
General
output
port
CS*
Contrast adjuster
Drive bias controller
Index
register
Control
register
Half-size
character
generator
ROM
(HCGROM)
18 kbits
Cursor/
blink
control
circuit
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