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/驅動器驅動程序)
文件頁數(shù): 50/117頁
文件大?。?/td> 1549K
代理商: HD66726
HD66726
50
Table 30
Instruction List
Register
Name
Code
Execu-
tion
Cycle*
R/W RS
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Description
Key scan data
read
1
0
KSD
Reads key scan data (KSD). 0
No operation
0
0
0
0
0
0
0
0
0
0
No operation (NOP).
0
Clear display
0
0
0
0
0
0
0
0
0
1
Clears entire display and
sets address 0 into the
address counter (AC).
85
Return home
0
0
0
0
0
0
0
0
1
0
Sets DDRAM address 0 into
the address counter.
0
Start oscillation
0
0
0
0
0
0
0
0
1
1
Starts the oscillation standby
mode.
Driver output
control
0
0
0
0
0
0
0
1
CMS SGS Selects the common driver
shift direction (CMS) and
segment driver shift direction
(SGS).
0
Power control
0
0
0
0
0
0
1
AMP SLP STB Turns on LCD power supply
(AMP), and sets the sleep
mode (SLP) and standby
mode (STB).
0
Contrast control 1 0
0
0
0
0
1
0
SW
CT4 CT3 Sets the register selection
0
BT1 BT0 (SW), upper contrast
adjustment bits (CT4-3) or
boost level (BT1/0).
Contrast control 2 0
0
0
0
0
1
1
CT2 CT1 CT0 Sets the lower contrast
0
BS2 BS1 BS0 adjustment bits (CT2-0) or
LCD bias value (BS2-0).
Entry mode set
0
0
0
0
1
0
0
REV I/D
GR
Sets the black-white reversal
(REV), address update
direction after RAM access
(I/D), and graphics mode
(GR).
0
Cursor control
0
0
0
0
1
0
1
B/W C
B
Sets black-white reversed
cursor (B/W), 8th raster-row
cursor (C), and blink cursor
(B).
0
Display on/off
control
0
0
0
0
1
1
0
D
CEN LC
Sets display on (D), centers
the screen (CEN), and
displays the line cursor (LC).
0
Display line
control
0
0
0
0
1
1
1
NL2 NL1 NL0 Sets the number of display
lines (NL2-0).
0
Double-height
display control
0
0
0
1
0
0
0
DL3 DL2 DL1 Specifies double-height
display lines (DL3-1).
0
Vertical scroll
control 1
0
0
0
1
0
0
1
SN2 SN1 SN0 Sets the display-start line
(SN2-0).
0
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