參數(shù)資料
型號(hào)： UPD16681W-011
廠商： NEC Corp.
英文描述： LCD CONTROLLER/DRIVER FOR DOT MATRIX DISPLAY OF JIS LEVEL 1 AND JIS LEVEL 2 KANJI SETS
中文描述： LCD控制器/的點(diǎn)陣顯示為JIS 1級(jí)和日標(biāo)平驅(qū)動(dòng)2漢字集
文件頁(yè)數(shù)： 27/56頁(yè)
文件大?。?/td> 906K
代理商： UPD16681W-011
Data Sheet S13104EJ5V0DS00
27
μ
PD16681
8.1.5
Cursor control
This command controls the cursor’s ON/OFF status.
MSB
LSB
0 0 0 1 1 1 b1 b0
Selection
00 : Cursor OFF
10 : Cursor ON (no blink)
11 : Cursor ON (blink)
Note2
Note1
Note3
Notes 1.
00 : Sets cursor to OFF mode.
2.
10 : Sets cursor to ON mode (cursor is displayed). The cursor is displayed at the character which
occupies the display position of the currently specified DDRAM address. The “address register” + “data
R/W command” combination is used to set data to DDRAM addresses. When accessing RAM, the
address counter in RAM is automatically incremented (+1) or decremented (
1), and the cursor is moved
accordingly.
3.
11 : This sets the cursor to ON mode and causes the cursor to blink. The blink cycle is 64 frames. The
correspondence between the cursor and the RAM address is the same as when the cursor is blinking.
Remark
The cursor display function is valid only when the display attribute specifies “normal display”
(A0 = 0, A1 = 0).
8.1.6 D/A converter set 1
The D/A converter’s output for the LCD driver is set in 64 steps from V
DD
to 1/2 V
DD
.
MSB
LSB
0 0 b5 b4 b3 b2 b1 b0
MSB
LSB
0 0 1 0 1 0 0 0
+
Extended selection
D/A output selection
00H(MIN.) to 3FH(MAX.)
Remark
This value is set to 20H after a reset.
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