參數(shù)資料
型號(hào): HD66725
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(dòng)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(dòng)器驅(qū)動(dòng)程序)
文件頁數(shù): 8/117頁
文件大?。?/td> 834K
代理商: HD66725
HD66724/HD66725
8
HD66724/HD66725 Block Diagram
System
interface
Clock
synchro-
nized
serial
4-bit bus
8-bit bus
Data
register
(DR)
Instruction register
(IR)
Address
counter
(AC)
Timing generator
Display data
RAM
(DDRAM)
80 bytes
Character
generator
RAM
(CGRAM)
384 bytes
Character
generator
ROM
(CGROM)
20,736 bits
Parallel/serial converter
Latch
circuit
Segment
shift
register
Segment
driver
LCD drive
voltage
selector
Cursor and
blink
controller
CPG
Instruction
decoder
CS*
RW/RD*/SDA
RS
E/WR*/SCL
Vcc
COM1/24–
COM24/1
SEG1/72 (96)–
SEG72 (96)/1
OSC1
R1-R3
OSC2
8
8
6
10
8
7
7
8
8
6
6
Vci
Double/triple
booster
C1+
C1–
C2+
C2–
8
7
Segmemt
RAM
(SGRAM)
24 bytes
IM2–1
RESET*
VLOUT
+ -
+ -
+ -
+ -
+ -
GND
COMS1/2,
COMS2/1
VR
R
R
R
0
R
V
LCD
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
Common
driver
26-bit bidirectional
common shift register
General
output
port
PORT0 –
PORT2
相關(guān)PDF資料
PDF描述
HD66726 Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器)
HD66727 Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器)
HD66728 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點(diǎn)圖形LCD控制器)
HD66730 Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器)
HD66731 Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器)
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