HD64570 Datasheet, PDF (415/469 Pages) Hitachi Semiconductor – Serial Communications Adaptor

Register
Interrupt Control
Interrupt Status
Register 1 (ISR1)
Interrupt Status
Register 2 (ISR2)
Not used
Address
CPU CPU
Mode Mode
0, 1 2, 3 Remarks
11H 10H
7
6
5
4
3
2
1
0
Bit name DMIB3 DMIA3 DMIB2 DMIA2 DMIB1 DMIA1 DMIB0 DMIA0
Read/Write
Initial value
R
R
R
R
R
R
R
R
0
0
0
0
0
0
0
0
DMA channel 3 interrupt B
0: Not requested
1: Requested
DMA channel 0 interrupt A
0: Not requested
1: Requested
DMA channel 3 interrupt A
0: Not requested
1: Requested
DMA channel 0 interrupt B
0: Not requested
1: Requested
DMA channel 2 interrupt B
0: Not requested
1: Requested
DMA channel 1 interrupt A
0: Not requested
1: Requested
DMA channel 2 interrupt A
0: Not requested
1: Requested
DMA channel 1 interrupt B
0: Not requested
1: Requested
12H 13H
7
6
5
4
3
2
1
0
Bit name T3IRQ T2IRQ T1IRQ T0IRQ — —
——
Read/Write
Initial value
R
R
R
R ————
0
0
0
0
0
0
0
0
13H
12H
Timer channel 3
interrupt request
0: Not requested
1: Requested
Timer channel 2
interrupt request
0: Not requested
1: Requested
Timer channel 0
interrupt request
0: Not requested
1: Requested
Timer channel 1
interrupt request
0: Not requested
1: Requested
Rev. 0, 07/98, page 399 of 453