PXB4219EV34NP Infineon Technologies, PXB4219EV34NP Datasheet - Page 51
PXB4219EV34NP
Manufacturer Part Number
PXB4219EV34NP
Description
Manufacturer
Infineon Technologies
Datasheet
1.PXB4219EV34NP.pdf
(290 pages)
Specifications of PXB4219EV34NP
Data Rate
2.048Mbps
Number Of Channels
1
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
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• For ATM Forum compliance, the “prg_rx_hd” field should be set to 0000 0000.
The deletion of idle, physical layer or unassigned cells can be enabled or disabled per
port by “delete_idle_cells” in the “ATM Receive Reference Slot” of RAM1
(Chapter
4.2.2
Each ATM receive port can be configured in the “channel_mode” field of the “ATM
Receive Reference Slot” in RAM1 to operate in “Inactive”, “Active” or “Standby” mode.
In “Inactive” mode, no data is accepted from the framer receive interface.
In “Active” mode, data is accepted from the framer receive interface, cells are written into
the ATM Receive Buffer and cell addresses are written into the Output Queue.
In “Standby” mode, data is accepted from the framer receive interface but no cells are
written into the ATM Receive Buffer or the Output Queue. This mode can be used to test
the cell delineation.
When activating ATM receive ports, it is important to follow the initialization sequence as
shown in
receive port. During this time the device connected to the Framer Transmit Interface has
to be in normal operation allowing the IWE8 to synchronize itself on the frame pulse.
Table 14
Step
1
2
3
Data Sheet
The “msk_rx_hd” should be set to 1111 1110. This configuration will delete all
unassigned cells.
pcfN.
p_rx_act
0 = inactive
1 = active
1 = active
6.1.1.1).
Table
Setup of ATM Receive Ports
Activation sequence for ATM receive ports
14. Step 2 must be held at least 250 s to internally reset the ATM
ATM Receive Reference Slot.
channel_mode
00 = Inactive
00 = Inactive
01 or 11 = Active
51
PXB 4219E, PXB 4220E, PXB 4221E
Operational Description
Minimum Time
250 s
IWE8, V3.4
2003-01-20
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