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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L9658 датащи(PDF) 24 Page - STMicroelectronics |
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L9658 датащи(HTML) 24 Page - STMicroelectronics |
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24 / 64 page  Functional description L9658 24/64 Doc ID 14219 Rev 3 command is sent before the timer for the previous command expired, the timer is refreshed. Sending a deployment-disable command will terminate the pulse stretch timer operation. ONLY a timer operation started by a deployment-enable command can be terminated. A deployment-en/disable command does not affect the timer operation started by arming signal. When an arming-enable command is sent through SPI, the pulse stretcher is initiated immediately following the falling edge of CS_A. When another arming-enable command is sent before the timer for the previous command expired, the timer is refreshed. Sending an arming disable command terminate the pulse stretch timer operation. ONLY a timer operation started by an arming-enable command can be terminated. An arming-en/disable command does not affect the timer operation started by a valid deployment command. Figure 12. Deployment flow chart Note: MOSI Register Mode: ignored. Next MISO: SPI fault response MOSI Command Mode: execute for channels NOT in deployment, NO effect to deploying channel. Next MISO: Command mode response MOSI Diagnostic Mode: ignored. Next MISO: SPI fault response MOSI Monitor Mode: execute for all channels. Next MISO: Status response BEGIN MOSI_A.Arm = 1 Y Start/Refresh Pulse Stretch Timer SPI MOSI Command Mode Y Pulse Stretch Timer Expired N MISO.Depen = 1 Y N Turn on LS and HS FET N MISO.Arm.Flg = 1 MISO_A.Arm.St = 1 N MISO.Arm.Flg = 0 Y Arming SPI Transmission MOSI_A.Arm = 1 Terminate Pulse Stretch Timer Y N Y N MISO.Depl.Cmd.St = 1 MISO.Depl.Cmd.St = 0 MOSI.Depl = 1 Deploy Success Flag = 1 Deploy Flag = 1 t DEPLOY Expired Y N Y N SPI MOSI Command Mode MOSI.Depl = 1 N Start/Refresh Pulse Stretch Timer MISO.Depen = 1 Y Pulse Stretch Timer Expired N Y N Terminate Pulse Stretch Timer N MISO.Depl.Cmd.St = 1 MISO.Depl.Cmd.St = 0 Y Y Arming SPI Transmission Y N N Arming SPI Transmission MOSI_A.Arm = 1 Y Y MISO.Depen = 1 N SPI MOSI Command Mode Y MOSI.Depl = 1 N MISO_A.Arm.St = 0 Y MISO.Depl.Cmd.St = 0 N N MISO_A.Arm.St = 1 Deploy Success Flag = 1 N Y Turn on LS and HS FET Deploy Success Flag = 1 Deploy Flag = 1 t DEPLOY Expired Y Deploy Success Flag = 1 N Y Y N MISO.Arm.Flg = 0 MISO_A.Arm.St = 0 Ignore SPI MOSI1 Ignore SPI MOSI1 Ignore Arming SPI MISO_A.Arm.St = 0 Ignore Arming SPI BEGIN SPI MOSI Monitor Mode Y Deploy Success Flag = 0 N MOSI.Clr.Scs.Flg = 1 Y N |
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