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): 46/117頁
文件大?。?/td> 1549K
代理商: HD66726
HD66726
46
Port Control
PT2-0:
Control the output level of a port output pin (PORT2-PORT0). When PT0 = 0, the PORT0 pin
outputs the GND level, and when PT0 = 1, it outputs the VCC level. Similarly, PT1 and PT2 bits control
PORT1 and PORT2 output levels respectively.
R/W RS DB7
DB0
0
0
DB6 DB5 DB4 DB3 DB2 DB1
0
1
1
1
0
PT1 PT0
PT2
Figure 20 Port Control Instruction
RAM Address Set
RM1-0:
Select DDRAM, CGRAM, and SEGRAM. The selected RAM is accessed with this setting.
AD9-0:
Initially set RAM addresses to the address counter (AC). Once the RAM data is accessed, the AC
is automatically updated according to the I/D bit. This allows consecutive accesses without resetting
addresses. RAM address setting is not allowed in the sleep mode or standby mode.
R/W RS DB7
DB0
0
0
DB6 DB5 DB4 DB3 DB2 DB1
1
0
AD7 AD6
0
0
1
1
AD2 AD1 AD0
AD8
AD3
AD9
AD4
RM0
AD5
RM1
Figure 21 RAM Address Set Instruction
Table 25
RM Bits and RAM Selection
RM1
RM0
RAM Selection
0
0
DDRAM
0
1
CGRAM (2)
1
0
CGRAM (1)
1
1
SEGRAM
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