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參數(shù)資料
| 型號： | UPD16681 |
| 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/的點陣顯示為JIS 1級和日標(biāo)平驅(qū)動2漢字集 |
| 文件頁數(shù)： | 19/56頁 |
| 文件大?。?/td> | 906K |
| 代理商： | UPD16681 |
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Data Sheet S13104EJ5V0DS00
19
μ
PD16681
6.6 Pictograph Blink Data RAM (PBRAM)
PBRAM is the RAM that contains pictograph blink data that has been assigned to PCOM
1
and PCOM
2
. A data
value of “1” is written to the address of the pictograph to be set for a blink display.
After data is written, the address counter is automatically incremented (by one), and the value after 0FH is 00H.
The correspondence between output from various segments and PBRAM addresses is shown below.
PCOM
1
,PCOM
2
Address
Segment Output No.
b7
b6
b5
b4
b3
b2
b1
b0
00H
X
X
6
5
4
3
2
1
01H
X
X
12
11
10
9
8
7
02H
X
X
18
17
16
15
14
13
03H
X
X
24
23
22
21
20
19
04H
X
X
30
29
28
27
26
25
05H
X
X
36
35
34
33
32
31
06H
X
X
42
41
40
39
38
37
07H
X
X
48
47
46
45
44
43
08H
X
X
54
53
52
51
50
49
09H
X
X
60
59
58
57
56
55
0AH
X
X
66
65
64
63
62
61
0BH
X
X
72
71
70
69
68
67
0CH
X
X
78
77
76
75
74
73
0DH
X
X
84
83
82
81
80
79
0EH
X
X
90
89
88
87
86
85
0FH
X
X
96
95
94
93
92
91
Remark
X : Don’t care
6.7 Relation between Addresses and Various ROM and RAM Devices
The
μ
PD16681 assigned FCGROM addresses as shown below to HCGROM, CGRAM, and user-defined ROM.
Type
No. of Characters
Address Range
JIS kanji
6355
Same as kanji ROM IC
Non-JIS kanji
453
Same as kanji ROM IC
Half width alphanumeric
characters
192
Uses addresses 0080H to 039FH in the kanji ROM IC
User defined
256
Uses addresses 1000H to 101FH in the kanji ROM IC
CGRAM
8
Uses addresses 0000H to 0007H in the kanji ROM IC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD16681A | 制造商:NEC 制造商全稱:NEC 功能描述:LCD CONTROLLER/DRIVER FOR DOT MATRIX DISPLAY OF JIS LEVEL 1 AND JIS LEVEL 2 KANJI SETS |
| UPD16681A-001 | 制造商:NEC 制造商全稱:NEC 功能描述:LCD CONTROLLER/DRIVER FOR DOT MATRIX DISPLAY OF JIS LEVEL 1 AND JIS LEVEL 2 KANJI SETS |
| UPD16681AP-001 | 制造商:NEC 制造商全稱:NEC 功能描述:LCD CONTROLLER/DRIVER FOR DOT MATRIX DISPLAY OF JIS LEVEL 1 AND JIS LEVEL 2 KANJI SETS |
| UPD16681P-011 | 制造商:NEC 制造商全稱:NEC 功能描述:LCD CONTROLLER/DRIVER FOR DOT MATRIX DISPLAY OF JIS LEVEL 1 AND JIS LEVEL 2 KANJI SETS |
| UPD16681W-011 | 制造商:NEC 制造商全稱:NEC 功能描述:LCD CONTROLLER/DRIVER FOR DOT MATRIX DISPLAY OF JIS LEVEL 1 AND JIS LEVEL 2 KANJI SETS |
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