pef20550 Infineon Technologies Corporation, pef20550 Datasheet - Page 322
![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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
pef20550H
Manufacturer:
FAI
Quantity:
543
- Current page: 322 of 407
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Cancelling of a Programmed CFI P Channel:
Examples
In CFI mode 1 the following P channels shall be realized:
Upstream: CFI port 1, timeslot 7:
W:MADR
W:MAAR
W:MACR
Downstream: CFI port 0, timeslot 2, the value ‘0000 0111’ shall be transmitted:
W:MADR
W:MAAR
W:MACR
The next sequence will read the currently received value at DU1, TS7:
W:MAAR
W:MACR
wait for STAR:MAC = 0
R:MADR
Semiconductor Group
W:MADR
W:MAAR
W:MACR
= 1111 1111
= 1000 1111
= 0111 1001
= 0000 0111
= 0000 0100
= 0111 1001
= 1000 1111
= 1100 1000
= value
= don’t care
= CFI port and timeslot encoded according to figure 84
= 0111 0000
B
B
B
B
B
B
B
B
= C8
B
= 70
H
; don’t care
; CFI timeslot encoding according to figure 84
; CM code for a P channel (code ‘1001’)
; CFI idle value ‘0000 0111’
; CFI timeslot encoding according to figure 84
; CM code for a P channel (code ‘1001’)
; upstream CFI port and timeslot
; received CFI idle value
; read back command
H
; code ‘0000’ (unassigned channel)
322
Application Hints
PEB 20550
PEF 20550
01.96
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