Response Data Structure

The I3CC returns the status of the Transfer command into the response queue with this data structure.

Table 9-62. Response Data Structure
Bit	Field Name	Memory Access	Reset Value	Description
31:28	ERR_STATUS	R	0x0	Response Error Status Indicates the Response status, that is, either success or the error type encountered for the processed command. Values: 0x0: SUCCESS: Transfer successful, no error 0x1: CRC: CRC Error 0x2: PARITY: Parity Error 0x3: FRAME: Frame Error 0x4: ADDR_HEADER: Address Header Error 0x5: NACK: Address NACK’ed or Dynamic Address Assignment NACK’ed 0x6: OVL: Receive Overflow or Transfer Underflow Error 0x7: RESERVED 0x8: ABORTED: Aborted 0x9: I2C_WR_DATA_NACK: NACK received for the I2C Write Data transfer 0xA: NOT_SUPPORTED: Command with specific parameters not supported by the I3CC implementation (For example, specific Internal control codes are not supported) 0xB–0xF: RESERVED
27:24	TID	R	0x0	Command/Response Transaction ID Transaction ID field is used as an identification tag for the command. This value matches one of commands sent on the bus. Valid IDs are 0x0–0x7. Values 0x8–0xF are reserved.
23:16	Reserved	–	–	–
15:0	DATA_LENGTH	R	0x0	Data Length / Device Count For write transfers, this field represents the remaining data length of the transfer if the transfer is terminated early (remaining data length = requested data length - transferred data length). For read transfers, this field represents the actual amount of data received in bytes. For Address Assignment command, this field represents the remaining device count.