用icd2烧录pic16f676,连接如下(icd前,676后):VPP--MCLR,VDD--VDD,GND--VSS,DATA--RA0AN0ICSPDAT,CLK--ICSPCLK.mplab ide下programmer——select programmer——icd 2,提示出错: Connecting to MPLAB ICD 2 ...Connected Setting Vdd source to MPLAB ICD 2 ICDWarn0020: Invalid target device id (expected=0x87, read=0x1FF) ICDWarn0044: Target has an invalid calibration memory value (0x3FFF). Continue? ...Reading ICD Product ID Running ICD Self Test ...Passed MPLAB ICD 2 Ready 读的设备地址总是出错,有时还出现0x0,但烧录其他芯片(比如6720),则可以成功.换成mcd2情况依然如此,问题何在?谢谢! |