HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 417

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

Register
Interrupt Control
Interrupt Enable
Register 2 (IER2)
Not used
Interrupt Control Register
(ITCR)
Not used
CPU
Mode
0, 1
16H
17H
18H
19H
Address
CPU
Mode
2, 3
17H
16H
19H
18H
Remarks
Timer channel 3
interrupt request enable
0: Disabled
1: Enabled
Timer channel 2
interrupt request enable
0: Disabled
1: Enabled
Interrupt priority
0:
1:
Read/Write
Initial value
Read/Write
Initial value
Bit name
Bit name
MSCI > DMAC
DMAC > MSCI
T3IRQE
R/W
R/W
IPC
7
0
7
0
Acknowledge cycle
00:
01:
10:
11:
Non-acknowledge cycle
Single acknowledge cycle
Double acknowledge cycle
Reserved
T2IRQE
IAK1
R/W
R/W
6
0
6
0
Timer channel 1
interrupt request enable
0: Disabled
1: Enabled
T1IRQE
IAK0
R/W
R/W
5
0
5
0
Rev. 0, 07/98, page 401 of 453
T0IRQE —
VOS
R/W
R/W
4
0
4
0
Timer channel 0
interrupt request enable
0: Disabled
1: Enabled
3
—
—
—
0
3
0
Vector output
0:
1:
Interrupt vector register
Interrupt modified vector
—
2
—
—
0
—
2
0
—
1
—
0
—
—
1
0
—
—
0
0
—
—
0
0