參數(shù)資料
型號: HD66732
廠商: Hitachi,Ltd.
英文描述: Graphics Liquid Crystal Display Controller/Driver Supporting JIS Level-1 and Level-2 Kanji ROM(圖形LCD控制器/驅(qū)動器)
中文描述: 圖形液晶顯示控制器/驅(qū)動器支持日標(biāo)級- 1和第2級漢字光盤(圖形液晶顯示控制器/驅(qū)動器)
文件頁數(shù): 54/133頁
文件大?。?/td> 2608K
代理商: HD66732
HD66732
54
RAM Address (RD/RE)
RM1-0:
Select DDRAM, CGRAM, and SEGRAM. The selected RAM is accessed with this setting.
AD10-0:
Initially set RAM addresses to the address counter (AC). Once the RAM data is written, the AC
is automatically updated according to the I/D bit. This allows consecutive writing without resetting
addresses. Once the RAM data is read, the AC is automatically updated when RDM = "0", but is not
updated when RDM = "1". When the read, modify, and write are executed for every one-byte data, set
RDM = "1". RAM address setting is not allowed in the sleep mode or standby mode.
R/W RS DB7
DB0
0
1
DB6 DB5 DB4 DB3 DB2 DB1
0
AD9 AD8
0
1
AD2 AD1 AD0
AD10
AD3
AD4
RM0
AD5
RM1
AD6
AD7
0
0
RD:
RE:
Figure 21 RAM Address Instruction
Table 35
RM Bits and RAM Selection
RM1
RM0
RAM Selection
0
0
DDRAM
0
1
Inhibited
1
0
CGRAM
1
1
SEGRAM
Table 36
AD Bits and DDRAM Setting
RM1/0
AD1–AD0
DDRAM Setting
00
"000"H–"013"H
Character code on the 1st line
00
"020"H–"033"H
Character code on the 2nd line
00
"040"H–"053"H
Character code on the 3rd line
00
"060"H–"073"H
Character code on the 4th line
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