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參數(shù)資料
| 型號： | UPD168116A |
| 廠商： | NEC Corp. |
| 英文描述： | 7-CHANNEL H-BRIDGE DRIVER WITH A MICRO STEP FUNCTION SUPPORTING PULSE INPUT |
| 中文描述： | 7通道H -橋甲微步支脈沖輸入功能驅(qū)動程序 |
| 文件頁數(shù)： | 8/26頁 |
| 文件大?。?/td> | 256K |
| 代理商： | UPD168116A |
Data Sheet S16967EJ1V0DS
8
μ
PD168116A
6. FUNCTION OPERATION TABLE
6.1 Power Save Function
This IC can be placed in the power-save mode by making MODE
1
, MODE
2
, MODE
3
, and MODE
4
high level.
This function allows holding of the excitation position when the stepping motor mode is selected and the operation to
be started from where the excitation position is held when the power-save mode is cleared. In the power-save mode,
the current consumption is reduced to 20
μ
A TYP. because the internal circuits other than UVLO are stopped.
In the power-save mode, only input of the RESETB pin is acknowledged, and the other input signals are ignored.
The operation modes of ch1 to ch4 can be set by a combination of MODE
1
to MODE
4
. For the combination of the
MODE pins, refer to
Table 6
1. MODE Pin Truth Table
.
Table 6
1. Mode Pin Truth Table
MODE
1
MODE
2
MODE
3
MODE
4
Operation Mode
(/IN
4B
)
ch1, ch2
ch3, ch4
L
L
L
IN
4B
input
2-phase excitation
General-purpose driving
L
L
L
L
L
H
1-2 phase excitation
General-purpose driving
L
L
H
L
H
L
Micro step
General-purpose driving
L
H
L
L
H
H
L
2-phase excitation
2-phase excitation
L
H
H
H
1-2 phase excitation
1-2 phase excitation
H
L
L
L
2-phase excitation (current
limiting)
2-phase excitation (current
limiting)
H
L
L
H
1-2 phase excitation
(current limiting)
1-2 phase excitation
(current limiting)
H
L
H
L
2-phase excitation
Micro step
H
L
H
H
1-2 phase excitation
Micro step
H
H
L
L
Micro step
2-phase excitation
H
H
L
H
Micro step
1-2 phase excitation
H
H
H
L
Micro step
Micro step
H
H
H
H
Remark
H: High level, L: Low level
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