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EM357-RTR 数据表(PDF) 57 Page - Silicon Laboratories |
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EM357-RTR 数据表(HTML) 57 Page - Silicon Laboratories |
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57 / 241 page ![]() 57 Rev 1.3 7.10. GPIO Signal Assignment Summary The GPIO signal assignments are shown in Table 7.5. Table 7.5. GPIO Signal Assignments GPIO Analog Alternate Output Input Output Current Drive PA0 TIM2C11, SC2MOSI TIM2C11, SC2MOSI Standard PA1 TIM2C31, SC2MISO, SC2SDA TIM2C31, SC2MISO, SC2SDA Standard PA2 TIM2C41, SC2SCLK, SC2SCL TIM2C41, SC2SCLK Standard PA3 TIM2C21, TRACECLK TIM2C21, SC2nSSEL Standard PA4 ADC4 PTI_EN, TRACEDATA2 Standard PA5 ADC5 PTI_DATA, TRACEDATA3 nBOOTMODE2 Standard PA6 TIM1C3 TIM1C3 High PA7 TIM1C4, REG_EN3 TIM1C4 High PB0 VREF TRACECLK TIM1CLK, TIM2MSK, IRQA Standard PB1 TIM2C14, SC1TXD, SC1MOSI, SC1MISO, SC1SDA TIM2C14, SC1SDA Standard PB2 TIM2C24, SC1SCLK TIM2C24, SC1MISO, SC1MOSI, SC1SCL, SC1RXD Standard PB3 TIM2C34, SC1SCLK TIM2C34, SC1SCLK, SC1nCTS Standard PB4 TIM2C44, SC1nRTS TIM2C44, SC1nSSEL Standard PB5 ADC0 TIM2CLK, TIM1MSK Standard PB6 ADC1 TIM1C1 TIM1C1, IRQB High PB7 ADC2 TIM1C2 TIM1C2 High PC0 TRACEDATA1 JRST5 High PC1 ADC3 TRACEDATA0, SWO Standard PC2 JTDO6, SWO Standard PC3 JTDI5 Standard PC4 SWDIO7 SWDIO7, JTMS7 Standard PC5 TX_ACTIVE Standard PC6 OSC32B nTX_ACTIVE Standard PC7 OSC32A OSC32_EXT Standard Notes: 1. Default signal assignment (not remapped). 2. Overrides during reset as an input with pull up. 3. Overrides after reset as an open-drain output. 4. Alternate signal assignment (remapped). 5. Overrides in JTAG mode as a input with pull up. 6. Overrides in JTAG mode as a push-pull output. 7. Overrides in Serial Wire mode as either a push-pull output, or a floating input, controlled by the debugger. |
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