HD64570 Datasheet, PDF (103/469 Pages) Hitachi Semiconductor – Serial Communications Adaptor

Bit 6 (RXINT1: MSCI Channel 1 RXINT):
RXINT1 = 0: MSCI channel 1 is not requesting a RXINT interrupt.
RXINT1 = 1: MSCI channel 1 is requesting a RXINT interrupt.
Bit 5 (TxRDY1: MSCI Channel 1 TXRDY):
TXRDY1 = 0: MSCI channel 1 is not requesting a TXRDY interrupt.
TXRDY1 = 1: MSCI channel 1 is requesting a TXRDY interrupt.
Bit 4 (RXRDY1: MSCI Channel 1 RXRDY):
RXRDY1 = 0: MSCI channel 1 is not requesting a RXRDY interrupt.
RXRDY1 = 1: MSCI channel 1 is requesting a RXRDY interrupt.
Bit 3 (TXINT0: MSCI Channel 0 TXINT):
TXINT0 = 0: MSCI channel 0 is not requesting a TXINT interrupt.
TXINT0 = 1: MSCI channel 0 is requesting a TXINT interrupt.
Bit 2 (RXINT0: MSCI Channel 0 RxINT):
RXINT0 = 0: MSCI channel 0 is not requesting a RXINT interrupt.
RXINT0 = 1: MSCI channel 0 is requesting a RXINT interrupt.
Bit 1 (TxRDY0: MSCI Channel 0 TXRDY):
TXRDY0 = 0: MSCI channel 0 is not requesting a TXRDY interrupt.
TXRDY0 = 1: MSCI channel 0 is requesting a TXRDY interrupt.
Bit 0 (RXRDY0: MSCI Channel 0 RXRDY):
RXRDY0 = 0: MSCI channel 0 is not requesting a RXRDY interrupt.
RXRDY0 = 1: MSCI channel 0 is requesting a RXRDY interrupt.
Rev. 0, 07/98, page 87 of 453