HD64570F Renesas Electronics America, HD64570F Datasheet - Page 110
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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Quantity:
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Manufacturer:
Renesas Electronics America
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4.2.8
The interrupt enable register 1 enables or disables interrupt requests indicated in interrupt status
register 1 (ISR1). All IER1 bits are cleared to 0 at a reset.
Bit 7 (DMIB3E: DMA Channel 3 Interrupt B Enable):
DMIB3E = 0: The DMAC channel 3 DMIB interrupt is disabled.
DMIB3E = 1: The DMAC channel 3 DMIB interrupt is enabled.
Rev. 0, 07/98, page 94 of 453
DMA channel 3
interrupt B enable
0: Disabled
1: Enabled
DMA channel 3
interrupt A enable
0: Disabled
1: Enabled
DMA channel 2
interrupt B enable
0: Disabled
1: Enabled
DMA channel 2
interrupt A enable
0: Disabled
1: Enabled
Read/Write
Initial value
Bit name
Note: Initial values are the values after a hardware reset.
Interrupt Enable Register 1 (IER1)
DMIB3E DMIA3E DMIB2E
R/W
7
0
R/W
6
0
R/W
5
0
DMIA2E DMIB1E DMIA1E DMIB0E DMIA0E
R/W
4
0
R/W
3
0
R/W
2
0
R/W
1
0
DMA channel 0
interrupt A enable
0: Disabled
1: Enabled
DMA channel 0
interrupt B enable
0: Disabled
1: Enabled
DMA channel 1
interrupt A enable
0: Disabled
1: Enabled
DMA channel 1
interrupt B enable
0: Disabled
1: Enabled
R/W
0
0
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