pxb4219 Infineon Technologies Corporation, pxb4219 Datasheet - Page 151
pxb4219
Manufacturer Part Number
pxb4219
Description
Iwe8 Interworking Element For 8 E1/t1 Lines
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PXB4219.pdf
(290 pages)
- Current page: 151 of 290
- Download datasheet (4Mb)
7.1
Read/write Address 00000
Reset value: 0000.
p_cell_disc
p_thr_m
p_cas
Data Sheet
Not used
p_srts
15
7
Port Configuration Registers (pcfN)
p_slp
p_cell_
disc
Port Cell Discard Enable
X =
0 =
1 =
Port threshold mode
This bit is relevant in ATM mode (p_atm=1) only.
00 =
01 =
10 =
11 =
Port CAS enable
0 =
When p_atm = 0 or acfg.a_hec_mode = 0
Port in IMA mode:
No cell discard upon detection of uncorrectable HEC error.
The MSB in the UDF field of the ATM cell header at UTOPIA
interface will indicate the results of the HEC check
Port in standard mode:
Cell discard upon detection of uncorrectable HEC error
Port specific backpressure to UTOPIA is disabled. Entering this
value causes a reset of the corresponding filling level counter.
Resetting this counter during operation may result in an
inappropriate backpressure.
Port specific backpressure to UTOPIA is enabled
Crossing the value defined in thrspN will result in port specific
backpressure. Values can range from 0 to 255 cells.
Port specific backpressure to UTOPIA is enabled
Crossing the value defined in thrspN will result in port specific
backpressure. The amount of bytes defining the threshold value
equals 53 * C + B. With C representing the 2 most significant bits
of thrspN and B representing the 6 least significant bits of thrspN.
Values can range from 0 to 222 bytes.
Port specific backpressure to UTOPIA is disabled
Disabled
p_thr_m[1:0]
p_ulp
H
+ N
p_dlp
151
p_cas
p_rx_act p_rx_em p_tx_act p_tx_mfs
PXB4219 / PXB4220 / PXB4221
p_atm
Register Description
p_ces
2002-05-06
p_acm
8
0
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