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型号:X-NUCLEO-NFC06A1厂牌:供应商:ST订单号:问题描述:你好,连接3.3、5V、gnd、PA0/1/4/5/6/7/8、PB0/6、PC0/1请问一下硬件还需要怎么连接?NFC06A1和NFC04A1我移植到stm32F103上运行,只读UID正常,但是读写0x1F总是失败,返回错误码4,串口打印内容如下:Welcome to X-NUCLEO-NFC06A1Initialization succeeded..ISO15693/NFC-V card found. UID: E00225001E4637F2 Read Block 1F: FAIL(4) Write Block 1F: FAIL Data: 11223399 Read Block 1F: FAIL ISO15693/NFC-V card found. UID: E00225001E4637F2 Read Block 1F: FAIL(4) Write Block 1F: FAIL Data: 11223399 Read Block 1F: FAIL ISO15693/NFC-V card found. UID: E00225001E4637F2 Read Block 1F: FAIL(4) Write Block 1F: FAIL Data: 11223399 Read Block 1F: FAIL ISO15693/NFC-V card found. UID: E00225001E4637F2 Read Block 1F: FAIL(4) Write Block 1F: FAIL Data: 11223399 Read Block 1F: FAIL ISO15693/NFC-V card found. UID: E00225001E4637F2 Read Block 1F: FAIL(21) 最后没响应了,请指点一下,谢谢
使用stm32f103r8的TIM1输出互补PWM,配置好PWM的占空比为50%,开始输出PWM时(使能PWM输出)第一个周期并不是50%,停止输出PWM时(失能PWM输出)最后一个周期占空比也不是50%,不知道该怎么配置?能让互补PWM开始输出时第一个周期是完整的PWM,关闭时最后一个周期也是完整的PWM