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参数资料
| 型号： | L9949 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 10 A, PDSO20 |
| 封装： | POWER, SO-20 |
| 文件页数： | 10/20页 |
| 文件大小： | 337K |
| 代理商： | L9949 |
L9949
18/20
Figure 12. SPI-Interface - Driver Turn On/Off Timing
Figure 13. SPI-Interface - Timing of Status Bit 0 (Fault Condition)
CSN
dON
t
20%
80%
t
r in
f in
t
OFF
t
dOFF
t
OFF state
ON stateOFF state
ON state
ON
t
output current
of a driver
50%
80%
20%
80%
50%
output current
of a driver
CSN low to high: data fro m shi ft register
is transferred to output power switches
CSN
CLK
DI
DO
CSN high to low and CLK stays low: status information of data bit 0 (fault condition) is transfered to Data Out
Data In: data is not accepted
Data Out: status information of data bit 0 (fault condition) will stay as long as CSN is low
time
0
-
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