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參數資料
| 型號： | UPD168113 |
| 廠商： | NEC Corp. |
| 英文描述： | MOS INTEGRATED CIRCUIT |
| 中文描述： | 馬鞍山集成電路 |
| 文件頁數： | 11/50頁 |
| 文件大小： | 771K |
| 代理商： | UPD168113 |
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Data Sheet S16423EJ2V0DS
11
μ
PD168113
8. NOTES ON TRANSMITTING DATA
The first input data is loaded when SCLK changes from L to H after LATCH has changed from L to H.
Data is transmitted in 16-bit units, and is determined when LATCH changes from H to L. Invalid data of less than
16-bit is discarded.
Data of different addresses can be input successively while LATCH = H.
The access time can be shortened by updating only the necessary data after initialization has been performed.
If an address is not input, the previous value of that address is held as the data.
Examples)
DC motor and constant current: The ON/OFF state is held.
Stepping motor: The excitation position is held if the excitation state is in ON.
If the same address is input more than one while LATCH = H, the last input data is valid.
If invalid data and correct data are input while LATCH = H, only the correct data is valid.
If only LATCH is input, the data is not updated, and the driver holds the current status.
If a command related to stepping motors (addresses 8 to F) is input during the “wait period” that lasts from input of
the preceding data to the start of counting, the data is ignored. A command related to the DC motor and coil
(addresses 3 to 7) is valid during the synchronization period.
Data that is input when RESETB = L is ignored.
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相關代理商/技術參數 |
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| UPD168113K9-9B4-A | 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT |
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| UPD168117A | 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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