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參數(shù)資料
| 型號： | UPD168117A |
| 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)： | 11/24頁 |
| 文件大?。?/td> | 275K |
| 代理商： | UPD168117A |
Data Sheet S17486EJ1V0DS
11
μ
PD168117A
5.7 Reference Voltage Settings
The external setting mode, in which the reference voltage is input to V
REF7
externally, and the internal setting mode,
in which the internal reference voltage is used, can be switched using the SELV
REF7
pin.
When using the external setting mode, the voltage which will become reference voltage must be applied to
the V
REF7
pin.
The functions for the SEL
7
pin will be enabled, regardless of the external/internal setting mode. The voltage (when
external setting mode is set), and the 200 mV (when the internal setting mode is set) that are applied to the V
REF7
pin
are equivalent to normal operation mode (SEL
7
= H).
SELV
REF7
Operation Mode
L
External setting mode (Voltage must be applied to V
REF7
)
H
Internal setting mode (200 mV setting)
6. COMMAND INPUT TIMING CHART
Figure 6
1. In The Micro Step Mode
CW mode
CW mode
CCW mode
1
2
3
4
5
6
7 8 9 10
11
12 13 14 15 14 13 12 11 10 9 8
7
6
2
1
3
4
5
6
7 8 9 10
11
12 13 14 15
1617 18 19 20 21 22 23 24
CLK
Pulse output
Chopping pulse
Internal reset signal
(Reset = L)
CW
OE
Reset state
Output
Hi-Z
Output
Hi-Z
Reset state
Remark
The motor excitation output is equivalent to the pulse output. The excitation position of the motor is
changed by the rising edge timing of the pulse output (equals the rising or falling edges of CLK).
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| UPD168117K9-9B4-A | 制造商:NEC 制造商全稱:NEC 功能描述:7-CHANNEL H-BRIDGE DRIVER WITH A MICRO STEP FUNCTION SUPPORTING PULSE INPUT |
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