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VD5377 数据表(PDF) 44 Page - STMicroelectronics |
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VD5377 数据表(HTML) 44 Page - STMicroelectronics |
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44 / 88 page  Additional features VD5377 44/88 Doc ID 022952 Rev 2 a GPIO_BACKLED1 gpio_backled1_en 0 PRW 00 BACKLED1 output enable (active low) 0 = PAD configured as OUTPUT 1 = PAD configured as INPUT gpio_backled1_a 1 PRW 01 BACKLED1 data output (when _en = 0) gpio_backled1_zi 2 PR 01 BACKLED1 IO value gpio_backled1_tm 3 PRW 00 Reserved. Do not modify this bit. gpio_backled1_a_ ctrl 4PRW 00 BACKLED1 data output origin 0 = Output value from HW register 1 = Output value from PWM 1 gpio_backled1_ opendrain 7PRW 01 BACKLED1 pad open drain control 0 = BACKLED1 pad normal config 1 = BACKLED1 pad in open drain (A = EN) b GPIO_BACKLED2 gpio_backled2_en 0 PRW 00 BACKLED2 output enable (active low) 0 = PAD configured as OUTPUT 1 = PAD configured as INPUT gpio_backled2_a 1 PRW 01 BACKLED2 data output (when _en = 0) gpio_backled2_zi 2 PR 01 BACKLED2 IO value gpio_backled2_tm 3 PRW 00 Reserved. Do not modify this bit. gpio_backled2_a_ ctrl 4PRW 00 BACKLED2 data output origin 0 = Output value from HW register 1 = Output value from PWM 2 gpio_backled2_ opendrain 7PRW 01 BACKLED2 pad open drain control 0 = BACKLED2 pad normal config 1 = BACKLED2 pad in open drain (A = EN) f PWM_PERIOD pwm_period 7:0 PRW ff PWM period duration (20 us tick period) 10 PWM_PULSEHIGH0 pwm_pulse_high0 7:0 PRW 00 PWM 0 pulse high duration (20 us tick period) - 0 = disable 11 PWM_PULSEHIGH1 pwm_pulse_high1 7:0 PRW 00 PWM 1 pulse high duration (20 us tick period) - 0 = disable 12 PWM_PULSEHIGH2 pwm_pulse_high2 7:0 PRW 00 PWM 2 pulse high duration (20 us tick period) - 0 = disable Table 26. BACKLED control registers (continued) Addr (Hex) Register name SIgnal name Bit Type Default (Hex) Comment |
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