參數(shù)資料
型號: HD66726
廠商: Hitachi,Ltd.
英文描述: Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動器)
中文描述: 圖形液晶顯示控制器/鍵掃描功能(帶鍵掃描功能的圖形液晶顯示控制器/驅(qū)動器驅(qū)動程序)
文件頁數(shù): 8/117頁
文件大?。?/td> 1549K
代理商: HD66726
HD66726
8
HD66726 Block Diagram
System
interface
Clock
synchro-
nized
serial
4-bit bus
8-bit bus
r(DR)
Instruction register
(IR)
Address
counter
(AC)
Timing generator
Display data RAM
(DDRAM)
80 bytes
Character
generator
RAM
(CGRAM)
480 bytes
Character
generator
ROM
(CGROM)
20,736 bits
Parallel/serial converter
96-bit
latch
circuit
96-bit
segment
shift
register
42-bit bidirectional
Common
driver
Segment
driver
LCD drive
voltage
selector
Cursor/
blink
controller
CPG
Instruction
decoder
RS
RW/RD*/SDA
E/WR*/SCL
Vcc
V
LCD
COM1/40–
COM40/1
SEG1/96–
SEG96/1
OSC1
OSC2
8
8
6
10
8
7
7
8
8
6
6
Vci
Single to
quadruple
booster
C1+
C1-
C2+
C2-
C3+
C3-
8
7
Segment
RAM
(SGRAM)
96 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
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