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L6460 датащи(PDF) 125 Page - STMicroelectronics |
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L6460 датащи(HTML) 125 Page - STMicroelectronics |
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125 / 139 page ![]() L6460 GPIO pins Doc ID 17713 Rev 1 125/139 22.14 GPIO[13] The GPIO[13] truth table is (for the abbreviation list please refer to Table 40). Table 54. GPIO[13] truth table Op2En mimusPin(1) 1. The Op2EnMinusPin bit in the OpAmp2Ctrl register enables the connection of the positive input of Op1 to GPIO[13] pin. GPIO[13] SPI BITS Function Note GpioOut enable[13] Mode[2] Mode[1] Mode[0] 1X X X X OpAmp2 in- (2) 2. When Op2EnMinusPin = ‘1’ the GpioOutEnable[13] bit is forced to 0. 0 0 X X X HiZ (SPI_IN) 0 1 000 SPI OUT (3) 3. In all configurations in which GPIO[9] is enabled as output: a) the GPIO[13] pin can be always used as an analog input to the ADC system (ADC function) by writing its address in the A2DChannelX[4:0] in the A2DConfigX register and starting a conversion; b) the GPIO[13] pin can be always used as a digital input so its value can be always read through SPI interface (SPI_IN function); c) the GPIO[13] pin is a rail to rail output supplied by VGPIO_SPI. 0 1 001 AuxPwm1 (3) 0 1 0 1 0 Reg Loop 3 (3) 0 1 011 AuxPwm3 (3) 0 1 1 0 0 AuxPwm1 inverted (3) 0 1 1 0 1 Reg Loop 3 inverted (3) 0 1 1 1 1 AuxPwm3 inverted (3) |
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