HD64570F Renesas Electronics America, HD64570F Datasheet - Page 22
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64570F
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Company:
Part Number:
HD64570F16
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD64570F16
Manufacturer:
HITACHI/日立
Quantity:
20 000
Company:
Part Number:
HD64570F16V
Manufacturer:
INFINEON
Quantity:
12 000
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Rev. 0, 07/98, page 6 of 453
CPB (8)
decrementer (24)
Comparator (16)
DAR
BAR
SAR
Incrementer/
* Channels 0 and 2 only
Reserved
CDA (16)
EDA (16)
BFL
BCR (16)
(24)
(24)
Figure 1.3 DMAC Block Diagram (one channel)
(16)*
Address bus/data bus
DMA execution
control
DMR
DCR
DSR
FCT
DIR
Numbers in parentheses are
numbers of bits.
Bus control signals
Interrupt request signals
Single-address transfer control signal
(to MSCI)
DAR:
BAR:
SAR:
CPB:
CDA:
EDA:
BFL:
BCR:
FCT:
DSR:
DIR:
DMR:
DCR:
priority control
Request and
Destination address register
Buffer address register
Source address register
Chain pointer base
Current descriptor address register
Error descriptor address register
Receive buffer length
Byte count register
End-of-frame interrupt counter
DMA status register
DMA interrupt enable register
DMA mode register
DMA command register
DMA request
signal
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