pef2256e Infineon Technologies Corporation, pef2256e Datasheet - Page 281
pef2256e
Manufacturer Part Number
pef2256e
Description
E1/t1/j1 Framer And Line Interface Component For Long- And Short-haul Applications
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEF2256E.pdf
(518 pages)
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Global Port Configuration 1 (Read/Write)
Value after reset: 00
GPC1
CSFP(1:0)
SRFM
User’s Manual
Hardware Description
7
Configure SEC/FSC Port
The FSC pulse is generated if the DCO-R circuitry of the selected
channel is active (CMR2.IRSC = 1 or CMR1.RS(1:0) = 10 or 11).
SEC/FSC can be switched into tristate mode by setting SIC3.FSCT.
00 = SEC: Input, active high
01 = SEC: Output, active high
10 = FSC: Output, active high
11 = FSC: Output, active low
Set RFM According to System Clock
0 =
1 =
CSFP1
Note:Only
Outgoing RFM on pin RPx is active high for 488 ns independent
of the programmed system clock frequency.
Outgoing RFM on pin RPx is active high for one system clock
period as programmed by SIC.SSC.
CMR2.IRSP = 0.
CSFP0
valid
SRFM
if
281
corresponding
PCx.RPC = 0001
DS1.1, 2003-10-23
PEF 2256 H/E
E1 Registers
0
FALC
B
(85)
®
and
56
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