Error Response During A Write Operation - Renesas SH7727 General Information Manual

R0P7727TH003TRKE General Information Manual

6.2.9 Error Response during a Write Operation

Figure 6.11 shows an error response format for the write command at error occurrence. The power supply
controller returns a NAK code and an error code in this order as an error response.
(1) NAK code
This code is fixed at NAK (0x15).
(2) Error code
Table 6.2 summarizes the error codes.
(1) NAK code
(1 byte)
Figure 6.11 Error Response during a Write Operation
Table 6.2 Error Codes
Error Code
No.
0x01 Communications error
0x02 Invalid function code
0x03 Invalid register number
0x04 Register size error
0x05 Data size error
(2) Error code
(1 byte)
Error type
48
Power Supply Controller