PEB 20571 F V3.1 Infineon Technologies, PEB 20571 F V3.1 Datasheet - Page 269

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PEB 20571 F V3.1

Manufacturer Part Number
PEB 20571 F V3.1
Description
IC LINE CARD CTRLR DSP TQFP-100
Manufacturer
Infineon Technologies
Datasheet

Specifications of PEB 20571 F V3.1

Function
PBX Controller with DSP
Interface
ISDN
Voltage - Supply
3.13 V ~ 3.47 V
Current - Supply
272.6mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LFQFP
Includes
Layer-1 Control, Signaling Control, Signal Processing, Voice Channel Handling
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Number Of Circuits
-
Other names
PEB20571FV3.1X
PEB20571FV31XP
SP000007539
Figure 60
Note: R/W is described in Normal mode. In Fly-by mode, R/W should be low during DMA
8.6.1.2
In this mode R and W are used for timing the access and to determine whether it’s a
DMA-read cycle or DMA-write cycle. R and W input signals are used in opposite ways in
Normal mode and in Fly-By mode. The next table details the way in which R and W
should be used in each mode, during DMA transactions:
Data Sheet
DS
DACK
R/W
D
DREQR
read transactions.
DMA Access Timing In Intel/Infineon Mode
DMA Read-Transaction Timing in Motorola Mode
t
t
SRWS
SAS
t
WS
Electrical Characteristics and Timing Diagrams
252
t
t
HSA
t
WS
HSRW
t
last byte
DSDV
t
DSR
t
DSDT
PEB 20570
PEB 20571
2003-07-31

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