pef20550 Infineon Technologies Corporation, pef20550 Datasheet - Page 68
![no-image](/images/no-image-200.jpg)
pef20550
Manufacturer Part Number
pef20550
Description
Extended Line Card Interface Controller Elic
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEF20550.pdf
(407 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
pef20550H
Manufacturer:
FAI
Quantity:
543
- Current page: 68 of 407
- Download datasheet (3Mb)
When the group controller wants the SACCO to re-transmit a frame (e.g. due to a CRC-
error) it does not answer with a RR-acknowledge but emits a second RR-poll.
The SACCO then generates an XMR-interrupt (transmit message repeat) indicating the
CPU that the previously transmitted frame has to be loaded again. For frames which are
not longer then 32 bytes the SACCO offers an auto repeat function allowing the
automatic re-transmission of a frame without interrupting the CPU.
Note: For frames which are longer than 32 bytes the auto repeat function must not be
Figure 38
Re-transmission of a Frame
Semiconductor Group
CMDR : XDD/XME
used.
CMDR : XDD
EXIR : XMR
ISTA : XPR
WR XFIFO
WR XFIFO
SACCO
Slave
Complete I-Frame
68
RR-Poll
RR-Poll
e.g. CRC Error
Group Controller
Master
(PBC)
Functional Description
ITS05835
GC polls,
data is available,
the slave sends an
I-frame,
data is corrupted,
GC polls again,
SACCO emits XMR.
PEB 20550
PEF 20550
01.96
Related parts for pef20550
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![PEF-03A](/images/no-image3.png)
Part Number:
Description:
PHASE SHIFTERS
Manufacturer:
ETC2 [List of Unclassifed Manufacturers]
Datasheet:
![PEF-03A-1500B](/images/no-image3.png)
Part Number:
Description:
PHASE SHIFTERS
Manufacturer:
MERRIMAC [Merrimac Industries, Inc.]
Datasheet:
![BAR88-02L](/images/no-image3.png)
Part Number:
Description:
Antenna Switch Silicon Pin Diode
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![BAW79](/images/no-image3.png)
Part Number:
Description:
Silicon Switching Diodes
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![1ED020I12FA](/images/no-image3.png)
Part Number:
Description:
Single Igbt Driver Ic
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![FF200R06ME3](/images/no-image3.png)
Part Number:
Description:
Igbt Modules
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![FF400R06ME3](/images/no-image3.png)
Part Number:
Description:
Igbt Modules
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![FZ1600R17KF6CB2](/images/no-image3.png)
Part Number:
Description:
Igbt Modules
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![TLE4262](/images/no-image3.png)
Part Number:
Description:
5 Volt Standard Regulator
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![BGB420](/images/no-image3.png)
Part Number:
Description:
Active Biased Transistor
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![BSS119](/images/no-image3.png)
Part Number:
Description:
N-channel Small Signal Mosfet 20v?800v
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![BSS98](/images/no-image3.png)
Part Number:
Description:
Sipmos Small-signal Transistor
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![BSO612CVG](/images/no-image3.png)
Part Number:
Description:
Complementary Mosfets 60v Small-signal-transistor
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![BSO615CG](/images/no-image3.png)
Part Number:
Description:
Complementary Mosfets 60v
Manufacturer:
Infineon Technologies Corporation
Datasheet:
![BSO613SPVG](/images/no-image3.png)
Part Number:
Description:
P-channel Mosfets Power-transistor
Manufacturer:
Infineon Technologies Corporation
Datasheet: