TMS320F28335PGFA 圈出来的部分,正常擦除一个部分是2s, 一共4次。所以应该是8s就可以擦除。但是现在要要用到18s, 帮忙咨询这种现象是否正常 ~
YUDAN ZHAO:
TMS320F28335PGFA 圈出来的部分,正常擦除一个部分是2s, 一共4次。所以应该是8s就可以擦除。但是现在要要用到18s, 帮忙咨询这种现象是否正常 ~ (这里指的是擦除MCU本身出厂时自带的东西)
TMS320F28335PGFA 圈出来的部分,正常擦除一个部分是2s, 一共4次。所以应该是8s就可以擦除。但是现在要要用到18s, 帮忙咨询这种现象是否正常 ~
Susan Yang:根据数据手册内的说明(您所提供的图片的(1))
www.ti.com/…/tms320f28335.pdf
(1) The on-chip flash memory is in an erased state when the device is shipped from TI. As such, erasing the flash memory is not required prior to programming, when programming the device for the first time. However, the erase operation is needed on all subsequent programming operations.
当器件从TI发货时,片上闪存处于擦除状态。因此,在第一次编程器件时不需要擦除闪存。但后续都需要擦除。