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(diǎn)圖形LCD控制器)
中文描述: 112 × 80點(diǎn)圖形LCD控制器/驅(qū)動(dòng)器(112 × 80點(diǎn)圖形液晶顯示控制器)
文件頁數(shù): 57/138頁
文件大?。?/td> 2158K
代理商: HD66728
HD66728
57
Table 24
Instruction List (cont)
Register
Name
Code
Execu-
tion
Cycle
R/W RS
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Description
LCD-driving-
waveform control
0
0
0
1
1
1
1
NW2 NW1 NW0 Sets the number of n-raster-
rows (NW2–0) in C-pattern
AC drive.
0
EOR NW4 NW3 Sets the EOR output (EOR)
or the number of n-raster-
rows (NW4–3) in C-pattern
AC drive.
0
RAM address set
(upper bits)
0
0
1
0
RM
AD10–6
(upper bits)
Selects RAM (RM), or
initially sets the upper
addresses of the RAM to the
address counter (AC).
0
RAM address set
(lower bits)
0
0
1
1
AD5-0
(lower bits)
Initially sets the lower
addresses of the RAM to the
AC.
0
Write data to
RAM
0
1
Write data
Writes data to DDRAM or
CGRAM.
0
Read data from
RAM
1
1
Read data
Reads data from DDRAM or
CGRAM.
0
Notes: 1. Represented by the number of operating clock pulses; the execution time depends on the
supplied clock frequency or the internal oscillation frequency.
2. The upper column of each register can be set when SW = 0. The lower column can be set
when SW = 1.
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