HD64570F16 Renesas Electronics America, HD64570F16 Datasheet - Page 227
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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5.5
5.5.1
The advanced digital PLL (ADPLL) extracts clock signals from the receive data and generates a
decoding clock for the receive data.
The ADPLL features:
Figure 5.32 is the block diagram of the ADPLL.
The ADPLL can perform either clock extraction from the receive data or noise suppression for the
receive clock input from the RXC line. In both cases it suppresses the receive data noise.
ADPLL
operating
clock
Clock extraction from five transmission code types (figure 1.8)
Selectable ratio of the ADPLL clock rate to the bit rate
Receive data noise suppression (see section 5.5.2, Operation)
Receive clock noise suppression (see section 5.5.2, Operation)
NRZ
NRZI
Manchester
FM0
FM1
8
16
32
ADPLL
Overview
Receive BRG
output
External clock
(RXC line input)
Receive
data
Figure 5.32 ADPLL Block Diagram
Clock
line 1
Clock
line 2
Multiplexor
Receive clock
Receive data
suppressor
suppressor
noise
noise
Clock extractor
Rev. 0, 07/98, page 211 of 453
delay unit
Data
Noise-suppressed
receive data
Receive data in
phase with the
extracted clock
Extracted clock
Noise-suppressed
receive clock
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