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參數(shù)資料
| 型號： | TB62709NG |
| 廠商： | Toshiba Corporation |
| 英文描述： | 7−SEGMENT DRIVERS WITH BUILT−IN DECODERS (COMMON ANODE CAPABILITY, MAXIMUM 4−DIGIT CONTROL) |
| 文件頁數(shù)： | 8/29頁 |
| 文件大小： | 576K |
| 代理商： | TB62709NG |
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TB62709NG/FG
2006-06-14
8
DUTY CONTROL REGISTER SETTINGS
z
Duty Control Register detail settings and operation (Table 3)
Writing 20H to D
15
~D
8
and writing 0~FH to D
3
~D
0
sets the duty cycle shown in the following table for the
digit
side source driver output. The duty cycle can be set in 16 steps.
The initial setting is 15 / 16. After Data Clear, the setting is also 15 / 16.
The current settings continue until changed (by reset execution, or to the initial state, Data Clear state, or
standby state).
Table 3 Duty control register settings
REGISTER DATA
D
3
0
DUTY CYCLE
D
15
~D
8
20H
D
7
~D
4
―
D
2
0
D
1
0
D
0
0
HEX CODE
INITIAL SETTING
0 / 16
20X0H
1 / 16
20H
―
0
0
0
1
20X1H
2 / 16
20H
―
0
0
1
0
20X2H
3 / 16
20H
―
0
0
1
1
20X3H
4 / 16
20H
―
0
1
0
0
20X4H
5 / 16
20H
―
0
1
0
1
20X5H
6 / 16
20H
―
0
1
1
0
20X6H
7 / 16
20H
―
0
1
1
1
20X7H
8 / 16
20H
―
1
0
0
0
20X8H
9 / 16
20H
―
1
0
0
1
20X9H
10 / 16
20H
―
1
0
1
0
20XAH
11 / 16
20H
―
1
0
1
1
20XBH
12 / 16
20H
―
1
1
0
0
20XCH
13 / 16
20H
―
1
1
0
1
20XDH
14 / 16
20H
―
1
1
1
0
20XEH
15 / 16
20H
―
1
1
1
1
20XFH
■
X = Input H or L. "
" = Are not affected by the truth table.
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