HD64570 Datasheet, PDF (416/469 Pages) Hitachi Semiconductor – Serial Communications Adaptor

Register
Interrupt Control
Interrupt Enable
Register 0 (IER0)
Interrupt Enable
Register 1 (IER1)
Address
CPU CPU
Mode Mode
0, 1 2, 3 Remarks
14H 15H
7
6
5
4
3
2
1
0
Bit name TXINT1ERXINT1ETXRDY1REXRDY1ETXINT0ERXINT0ETXRDY0REXRDY0E
Read/Write
Initial value
R/W R/W R/W R/W R/W R/W R/W R/W
0
0
0
0
0
0
0
0
15H 14H
MSCI channel 1
TXINT enable
0: Disabled
1: Enabled
MSCI channel 0
RXRDY enable
0: Disabled
1: Enabled
MSCI channel 1
RXINT enable
0: Disabled
1: Enabled
MSCI channel 0
TXRDY enable
0: Disabled
1: Enabled
MSCI channel 1
TXRDY enable
0: Disabled
1: Enabled
MSCI channel 0
RXINT enable
0: Disabled
1: Enabled
MSCI channel 1
RXRDY enable
0: Disabled
1: Enabled
MSCI channel 0
TXINT enable
0: Disabled
1: Enabled
7
6
5
4
3
2
1
0
Bit name DMIB3EDMIA3EDMIB2EDMIA2EDMIB1EDMIA1EDMIB0EDMA0E
Read/Write
Initial value
R/W R/W R/W R/W R/W R/W R/W R/W
0
0
0
0
0
0
0
0
DMA channel 3
interrupt B enable
0: Disabled
1: Enabled
DMA channel 3
interrupt A enable
0: Disabled
1: Enabled
DMA channel 2
interrupt B enable
0: Disabled
1: Enabled
DMA channel 2
interrupt A enable
0: Disabled
1: Enabled
DMA channel 0
interrupt A enable
0: Disabled
1: Enabled
DMA channel 0
interrupt B enable
0: Disabled
1: Enabled
DMA channel 1
interrupt A enable
0: Disabled
1: Enabled
DMA channel 1
interrupt B enable
0: Disabled
1: Enabled
Rev. 0, 07/98, page 400 of 453