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)： 58/117頁
文件大?。?/td> 834K
代理商： HD66725
HD66724/HD66725
58
a) Basic Data-Transfer Timing through Clock-Synchronized Serial Bus Interface
Start byte
Instruction, RAM data, key scan data
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DB
7
DB
6
DB
5
DB
4
R/W
Device ID code
SCL
(Input)
SDA
(Input/
output)
CS*
(Input)
RS
DB
3
DB
2
DB
1
DB
0
Transfer start
Transfer end
MSB
LSB
RS R/W
"0"
"1"
"1"
"1"
ID
"0"
Start byte
Instruction 1
execution time
SCL
(Input)
SDA
(Input/
output)
b) Consecutive Data-Transfer Timing through Clock-Synchronized Serial Bus Interface
1 2 3 4 5 6 7 8
9 1011 121314 1516
171819
Instruction 1
Instruction 2
20 212223 24
252627 282930 3132
Instruction 2
execution time
Instruction 3
Start
End
When instruction 1 is a clear display instruction, adjust the transfer rate so that
the 8th bit of instruction 2 is transferred after execution of the clear display instruction.
CS*
(Input)
Note:
Start byte
RS = "1", R/W = "1"
SCL
(Input)
SDA
(Input/
output)
c) RAM Data Read-Transfer Timing
1 2 3 4 5 6 7 8
9 1011 121314 1516
171819
Dummy read 1
Dummy read 2
20 212223 24
252627 282930 3132
RAM data read 1
Start
End
Two bytes of RAM read data after the start byte are invalid. The HD66724/HD66725 start to read
correct RAM data from the third byte.
CS*
(Input)
Note:
Figure 25 Clock-Synchronized Serial Interface Timing Sequence
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)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66725A03TA0L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD CONTROLLER
HD66726 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions
HD66726A03TB0L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC
HD66727 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function
HD66727A03 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
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