參數(shù)資料
型號： HD66728
廠商： Hitachi,Ltd.
英文描述： 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點圖形LCD控制器)
中文描述： 112 × 80點圖形LCD控制器/驅(qū)動器（112 × 80點圖形液晶顯示控制器）
文件頁數(shù)： 54/138頁
文件大?。?/td> 2158K
代理商： HD66728
HD66728
54
Read Data from RAM
RD7-0 :
Read 8-bit data from the DDRAM or CGRAM. The DDRAM or CGRAM is selected by the
previous specification of the RM 1/0 bit. In the parallel bus interface mode, the first-byte data read will be
invalid immediately after the RAM address set, and the consecutive second-byte data will be read normally.
In the serial interface mode, two bytes will be invalid immediately after the start byte, and the consecutive
third-byte data will be read normally. For details, see the Serial Data Transfer section.
After a RAM read, when RDM = 0, the address is automatically incremented or decremented by 1
according to the I/D bit. When RDM = 1, the address is not updated.
R/W RS DB7
DB0
1
1
DB6 DB5 DB4 DB3 DB2 DB1
RD7 RD6 RD5 RD4 RD3 RD2 RD1 RD0
Figure 27 Read Data from RAM Instruction
Address: N set
Dummy read (invalid data)
Read (data of address N)
First byte
Second byte
i) Parallel bus interface mode
Address: N set
Dummy read (invalid data)
Read (data of address N)
First byte
Third byte
ii) Serial interface mode
Start byte
Start byte
Dummy read (invalid data)
Second byte
Address: N
±
1 (RDM = 0)
Address: N (RDM = 1)
Address: N
±
1 (RDM = 0)
Address: N (RDM = 1)
Figure 28 RAM Read Sequence
相關PDF資料
PDF描述
HD66730 Dot-Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅(qū)動器)
HD66731 Dot-Matrix Liquid Crystal Display Controller/Driver(點陣液晶顯示控制器/驅(qū)動器)
HD66731A00TB0L 122 x 32 pixel format, Compact LCD size
HD66731A00TA0L Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66731A01TA0L Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
相關代理商/技術參數(shù)
參數(shù)描述
HD66729 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
HD66730 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66730A00FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66730A01FS 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
HD66731 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dot-Matrix Liquid Crystal Display Controller/Driver Supporting Japanese Kanji, Korean Font Display
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