17.2.14 Change CFG (CHANGE_CFG) Command

CHANGE_CFG is used by the probe to set various configuration settings for the PE. Currently, the single configuration setting determines which of the following calculation methods the PE should use:
  • Software CRC calculation method
  • Hardware calculation method
Figure 17-26. Change CFG (CHANGE_CFG) Command
Table 17-15. Change CFG (CHANGE_CFG) Format
FieldDescription
Op code0xB
OperandNot used
CRC flagIf the value is ‘0’, the PE uses the software CRC calculation method. If the value is ‘1’, the PE uses the hardware CRC unit to calculate the CRC.
Expected Response (1 word):
Figure 17-27. Change CFG (CHANGE_CFG) Response
Note: The CHANGE_CFG command is not available in the PIC32MX1XX/2XX devices.