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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L99LD01 датащи(PDF) 40 Page - STMicroelectronics |
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L99LD01 датащи(HTML) 40 Page - STMicroelectronics |
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40 / 69 page  SPI functional description L99LD01 40/69 DocID025319 Rev 3 Control registers 3 Address: 0x03h Type: R/W Reset: 0000 1000 0000 0000b 15 14 13 12 11 10 98765 43210 Reserved Lh_Sw Ctrl_Ota[3:0] Ctrl_Drv[3:0] Bit [15:13] Reserved Bit [12] Lh_Sw: The device goes in Limp Home mode without WD supervision (VCC1 stays on) when the bit is set Bit [11:8] Ctrl_Ota[3:0]: these bits set the delay between a rising edge of the PWM_L signal and a connection of the output of the operation transconductance amplifier. The delay is given by Ctrl_Ota[3:0]d * 3.3 µs (typ.) Where Ctrl_Ota[3:0]d is the decimal value of Ctrl_Ota[3:0] The default of these bits are loaded from the corresponding control bus Bit [7:4] Ctrl_Drv[3:0]: these bits set the delay between a rising edge of the PWM_L signal and the activation of the converter The delay is given by: Ctrl_Drv[3:0]d * 1.67 µs (typ.) Where Ctrl_Drv[3:0]d is the decimal value of Ctrl_Drv[3:0] The default of these bits are loaded from the corresponding control bus Bit [3:0] Ctrl_Sw[3]: these bits set the delay between the falling edge of the PWM_L signal and the turn off of the dimming mosfet M2. The delay is given by: Ctrl_Sw[3:0]d * 1.67 µs (typ.) Where Ctrl_Sw[3:0]d is the decimal value of Ctrl_Sw[3:0] The default of these bits are loaded from the corresponding control bus. |
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