HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 53

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

(channel 1)
(channel 0)
(channel 3)
(channel 2)
(channel 1)
(channel 0)
(channel 3)
(channel 2)
(channel 1)
(channel 0)
DMAC
DMAC
DMAC
DMAC
MSCI
MSCI
Timer
Timer
Timer
Timer
Interrupt status register 0 (ISR0)
Interrupt enable register 0 (IER0)
Interrupt status register 1 (ISR1)
Interrupt enable register 1 (IER1)
Interrupt status register 2 (ISR2)
Interrupt enable register 2 (IER2)
RXRDY1E
RXRDY0E
RXINT1E
TXRDY1E
RXINT0E
TXRDY0E
TXRDY1
RXRDY1
TXRDY0
RXRDY0
TXINT1E
TXINT0E
RXINT0
DMIB3E
DMIA3E
DMIB2E
DMIA2E
DMIB1E
DMIA1E
DMIB0E
DMIA0E
T3IRQE
T2IRQE
T1IRQE
T0IRQE
TXINT1
RXINT1
TXINT0
DMIB3
DMIA3
DMIB2
DMIA2
DMIB1
DMIA1
DMIB0
DMIA0
T3IRQ
T2IRQ
T1IRQ
T0IRQ
—
—
—
—
—
—
—
—
Figure 1.24 Interrupt Control
Priority select
Interrupt
decision
(priority
control)
control
and
IPCIAK1 IAK0VOS — — — —
7
Hard-
ware-
gene-
rated
code
Acknowledge
cycle select
6
Interrupt control register (ITCR)
5
IMVR7
IMVR6
IVR7
IVR6
IVR5
IVR4
IVR3
IVR2
IVR1
IVR0
4
Output vector select
—
—
—
—
—
—
Rev. 0, 07/98, page 37 of 453
3
2
Interrupt modified
vector register
Interrupt
vector
registers
1
Selec-
tor
INT (to MPU)
INTA (from MP
0
Vector
(to MPU