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烧录电压5V,CCS3.3 On-chip Flash Programmer, 已连接芯片和XDS510,密钥输入正确,显示Flash Unlocked,但是进行Clear和Erase操作就返回错误Error: Read status value 0x0001 from symbol PRG_status
Flash algorithm failed during clear operation或者是 Error: Read status value 0x0002 from symbol PRG_status
Flash algorithm failed during clear operation.请问是否是芯片坏掉了?另外有其他一颗芯片,擦除Flash后校验第二区(0X1000-3FFF)所有Byte为0X0000,其他都正常,可以在0X0000-FFF之间烧录代码,是否也是芯片坏掉了?
很大的可能还是在于电源问题,无论是否被损坏。
请确保:
1. Vccp脚直接连接到+5V的电源)不要在+5V电源的输出到DSP的Vccp脚间加任何限流电阻),+5V电源的电流输出能力大于500毫安,电压输出精度为5%,即电压输出在+4.75~5.25的范围内;
2. +3.3V电源的电流输出能力大于250毫安,电压输出精度为10%,即电压输出在+3.0V~+3.6V的范围内,,并满足VCP(5V)的精度在+/-5%以内,且VDD(3.3V)先于VCCP(5V)上电;
3. 不烧写程序时,Vccp应该接到GND,任何时候Vccp都不能悬空;
4. Vccp在Vdd后上电。