HD64570F Renesas Electronics America, HD64570F Datasheet - Page 116
HD64570F
Manufacturer Part Number
HD64570F
Description
IC SCA SRL COMM ADAPTER 88QFP
Manufacturer
Renesas Electronics America
Datasheet
1.HD64570F.pdf
(469 pages)
Specifications of HD64570F
Applications
ISDN
Interface
Serial
Voltage - Supply
4.5 V ~ 5.5 V
Package / Case
88-QFP
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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4.5
The interrupt modified vector register (IMVR) is an eight-bit register in which the six low bits
(bits 5 to 0) hold a hardware-generated code identifying an interrupt source, as listed in table 4.2.
The two high bits (bits 7 and 6) can be set to arbitrary values by the MPU.
Table 4.2
No. Interrupt Source
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Notes: 1. Smaller priority values indicate higher priority. Larger priority values indicate lower
Rev. 0, 07/98, page 100 of 453
MSCI channel 0
MSCI channel 0
MSCI channel 0
MSCI channel 0
MSCI channel 1
MSCI channel 1
MSCI channel 1
MSCI channel 1
DMAC channel 0
DMAC channel 0
DMAC channel 1
DMAC channel 1
DMAC channel 2
DMAC channel 2
DMAC channel 3
DMAC channel 3
Timer channel 0
Timer channel 1
Timer channel 2
Timer channel 3
2. The VOS bit in the interrupt control register (ITCR).
Interrupt Sources and Vector Addresses
priority.
Interrupt Sources and Vector Addresses
RXRDY 1
TXRDY 2
RXINT
TXINT
RXRDY 5
TXRDY 6
RXINT
TXINT
DMIA0
DMIB0
DMIA1
DMIB1
DMIA2
DMIB2
DMIA3
DMIB3
T0IRQ
T1IRQ
T2IRQ
T3IRQ
VOS*
= 0
3
4
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Priority*
2
VOS*
= 1
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
17
18
19
20
1
2
Programmabl
b
7
e
b
6
Vector Address
b
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
5
Hardware-Generated Code
b
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
4
b
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
1
1
3
( : Arbitrary value)
b
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
2
b
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
b
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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