HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 415

• Manufacturer Part Number: HD64570
• Description: Serial Communications Adaptor
• Manufacturer: HITACHI [Hitachi Semiconductor]

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