HD64570F16 Renesas Electronics America, HD64570F16 Datasheet - Page 304
HD64570F16
Manufacturer Part Number
HD64570F16
Description
IC SCA SRL COMM ADAPTER 88QFP
Manufacturer
Renesas Electronics America
Datasheet
1.HD64570F16.pdf
(469 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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 288 of 453
Figure 6.19 Operation Flow in MSCI-to-Memory Chained-Block Transfer Mode
No
Transfer one byte or one
word, decrement BCR,
Load the start address of
(CP) (16 bits) to DMAC
Write receive data (DL)
the next descriptor from
(BP) (24 bits) to BAR
and increment BAR
Load buffer pointer
Write 00H to status
work register to CDA
Load chain pointer
Load BFL (16 bits)
frame detected?
(ST) field (8 bits)
length (16 bits)
CDA = EDA?
work register
Yes
BCR = 0?
to BCR
End of
Start
No
No
Yes
Yes
No
Load the start address of
the next descriptor from
length (DL) (16 bits)
Write receive data
work register to CDA
Write FST value to
status (ST) field
(DE bit = 0)
Transfer
completed?
Yes
(8 bits)
End
CDA:
EDA:
BFL:
BCR:
FST:
DE bit:
Current descriptor
address register
Error descriptor
address register
Receive buffer length
Byte count register
Frame status register
DMA status register
(DSR) bit 1
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