參數(shù)資料
型號(hào)： 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(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)： 49/117頁
文件大?。?/td> 1549K
代理商： HD66726
HD66726
49
Read Data from RAM
RD7-0 :
Read 8-bit data from the DDRAM, CGRAM or SEGRAM. The unused six upper bits of the
SEGRAM data are read as 000000. The DDRAM/CGRAM/SEGRAM 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, the address is automatically incremented or decremented by 1 according to the entry
mode set instruction.
R/W RS DB7
DB0
1
1
DB6 DB5 DB4 DB3 DB2 DB1
RD7 RD6 RD5 RD4 RD3 RD2 RD1 RD0
Figure 23 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
Figure 24 RAM Read Sequence
相關(guān)PDF資料
PDF描述
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)
HD66731A00TB0L 122 x 32 pixel format, Compact LCD size
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
HD66727A03BP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
HD66727A03TA0 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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