Interrupt Codes
554
NS9750 Hardware Reference
2hex M_NO_ACK Master No acknowledge by slave
3hex M_TX_DATA Master TX data required in register TX_DATA
4hex M_RX_DATA Master RX data available in register RX_DATA
5hex M_CMD_ACK Master Command acknowledge interrupt
6hex N/A N/A Reserved
7hex N/A N/A Reserved
8hex S_RX_ABORT Slave The transaction is aborted by the master before
the slave performs a NO_ACK.
9hex S_CMD_REQ Slave Command request
Ahex S_NO_ACK Slave No acknowledge by master (TX_DATA_REG is
reset)
Bhex S_TX_DATA_1ST Slave TX data required in register TX_DATA, first byte
of transaction
Chex S_RX_DATA_1ST Slave RX data available in register RX_DATA, first byte
of transaction
Dhex S_TX_DATA Slave TX data required in register TX_DATA
Ehex S_RX_DATA Slave RX data available in register RX_DATA
Fhex S_GCA Slave General call address
Code Name Master/slave Description
Table 342: Master/slave interrupt codes