參數(shù)資料
型號(hào): UPD16681P-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): 30/56頁(yè)
文件大?。?/td> 906K
代理商: UPD16681P-011
Data Sheet S13104EJ5V0DS00
30
μ
PD16681
8.2 Address Register
This command selects the address type and specifies addresses.
MSB
LSB
b7 b6 b5 b4 b3 b2 b1 b0
MSB
LSB
0 1 0 0 1 0 b1 b0
+
Selection 1
00 : DDRAM address
01 : PDRAM address
10 : PBRAM address
11 : CGRAM address
Selection 2
DDRAM address : 00H to 47H
PDRAM address : 00H to 0FH
PBRAM address : 00H to 0FH
CGRAM address : 00H to F9H
Caution
Operation is not guaranteed if an invalid address is set.
8.3 Reset
The contents of the various registers appear as shown below after a reset (command reset or hardware [pin] reset).
Command
Register Contents
Description
b7
b6
b5
b4
b3
b2
b1
b0
Display ON/OFF
0
0
0
0
1
0
0
0
LCD OFF
(SEG
n
, COM
n
, PCOM
n
, = V
SS
)
Standby
0
0
0
1
0
0
0
0
Normal operation
Duty setting
0
0
0
1
1
0
0
0
1/52 duty
Cursor control
0
0
0
1
1
1
0
0
Cursor OFF
D/A converter setting
0
0
1
0
1
0
0
0
Set to 20H
Scroll control
0
0
1
1
0
0
0
0
No specified scroll line
Blink setting
0
1
0
0
0
0
0
0
Blink stop
Address register
0
1
0
0
1
0
0
0
DDRAM is specified
Data R/W mode
1
0
1
1
0
0
0
0
Data write/increment (+1)
Test mode
1
0
1
0
0
0
0
0
Normal operation
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