HD64570F16 Renesas Electronics America, HD64570F16 Datasheet - Page 104

• Manufacturer Part Number: HD64570F16
• Description: IC SCA SRL COMM ADAPTER 88QFP
• Manufacturer: Renesas Electronics America

Specifications of HD64570F16

• Applications: ISDN
• Interface: Serial
• Voltage - Supply: 4.75 V ~ 5.25 V
• Package / Case: 88-QFP
• Mounting Type: Surface Mount
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -20C to 75C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

4.2.5
The read-only interrupt status register 1 indicates the status of interrupt request sources. All bits
are cleared to 0 at a reset.
Bit 7 (DMIB3: DMA Channel 3 Interrupt B):
DMIB3 = 0: DMAC channel 3 is not requesting a DMIB interrupt.
DMIB3 = 1: DMAC channel 3 is requesting a DMIB interrupt.
Rev. 0, 07/98, page 88 of 453
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:
Read/Write
Initial value
Bit name
Note: Initial values are the values after a hardware reset.
Not requested
Requested
Not requested
Requested
Not requested
Requested
Not requested
Requested
Interrupt Status Register 1 (ISR1)
DMIB3 DMIA3 DMIB2
7
R
0
6
R
0
5
R
0
DMIA2 DMIB1 DMIA1 DMIB0 DMIA0
4
R
0
3
R
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:
Not requested
Requested
Not requested
Requested
Not requested
Requested
Not requested
Requested
1
R
0
R
0
0