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參數(shù)資料
| 型號(hào)： | UPD16879 |
| 廠商： | NEC Corp. |
| 英文描述： | MONOLITHIC QUAD H BRIDGE DRIVER CIRCUIT |
| 中文描述： | 單片四H橋驅(qū)動(dòng)電路 |
| 文件頁(yè)數(shù)： | 26/32頁(yè) |
| 文件大小： | 199K |
| 代理商： | UPD16879 |
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Data Sheet S14188EJ1V0DS00
26
μ
PD16879
Data Update Timing
The serial data of this product is set and update at the following timing.
Table 16. Update Timing of The Data (1)
Data
Data set
Update timing
First point wait time
LATCH falling edge
Next V
D
rising edge or, next V
D
falling
edge
First point magnetize wait time
LATCH falling edge
FF1 falling edge
EXP
LATCH falling edge
LATCH falling edge
Chopping
LATCH falling edge
LATCH falling edge
Power save
LATCH falling edge
Refer to 25 page
The timing at which data is to be update differ, as shown in Table 17, depending on the enable status.
Table 17. Update Timing of The Data (2)
Change of enable
1
→
1
0
→
1
1
→
0
0
→
0
Pulse cycle
FF2
↓
FF2
↓
FF2
↓
Pulse number
FF2
↓
FF2
↓
FF2
↓
Rotation
FF2
↓
FF2
↓
FF2
↓
Enable
FF2
↓
FF1
↓
FF2
↓
EVR
LATCH
↓
LATCH
↓
LATCH
↓
Pulse cycle, Pulse number, Rotation are update
Enable is update (at the change of enable: 0 to 1)
Output current (EVR) is updated
V
D
LATCH
FF1
FF2
Pulse out
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