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T410 数据表(PDF) 45 Page - STMicroelectronics |
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T410 数据表(HTML) 45 Page - STMicroelectronics |
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45 / 84 page ![]() ST52T410/ST52T420/E420 45/84 PWM/Timers Alternate Functions The pins of Port A and C can be configured to be I/ O of the three PWM/Timers available on the ST52T410/ST52x420. The configuration of these pins is performed by using the Configuration Registers REG_CONF 12 and REG_CONF 16 if the related pin has to be output. When the related pin has to be used as an input peripheral the configuration is performed by the relative peripheral configuration registers (See PWM/ Timer Session). Warning: in order to use PC1, PC2 and PC3 pins as standard I/O pins, the PWM/Timers must be configured in Timer mode Table 7.8 PWM/Timers REG_CONF 16 Bit Name Value Description 0 PC1 1 Pin T0OUT/PC1 is configured as Port C Digital I/O 0 Pin T0OUT/PC1 is configured as PWM/ Timer 0 output T0OUT 1 PC2 1 PinT1OUT/PC2 is configured as Port C Digital I/O 0 Pin T1OUT/PC2 is configured as PWM/ Timer 1 output T1OUT 2 PC3 1 Pin T2OUT/PC3 is configured as Port C Digital I/O 0 Pin T2OUT/PC3 is configured as PWM/ Timer 2 output T2OUT 3-7 NC X Not Used Reset Configuration ‘00000000 Table 7.9 PWM/Timers REG_CONF 12 Bit Name Value Description 0PA1 1 Pin PA1/T0OUT is configured as PWM/Timer 0 complementary output 0 Pin PA1/T0OUT is configured as Port A Digital I/O 1PA2 1 Pin PA2/T1OUT is configured as PWM/Timer 1 complementary output 0 Pin PA2/T1OUT is configured as Port A Digital I/O 2PA3 1 Pin PA3/T2OUT is configured as PWM/Timer 2 complementary output 0 Pin PA3/T2OUT is configured as Port A Digital I/O 3PASZ 1 PORT A bits = 8 0 PORT A bits = 7 4-7 NC x Not Used Reset Configuration ‘0000’ |
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