PXB4221EV34NP Infineon Technologies, PXB4221EV34NP Datasheet - Page 146

• Manufacturer Part Number: PXB4221EV34NP
• Manufacturer: Infineon Technologies

Specifications of PXB4221EV34NP

• Data Rate: 2.048Mbps
• Number Of Channels: 1
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Not Compliant

RMADR
MPADR
6.2.7.1
The SW does not need to access the ATM Receive Buffers.
6.2.7.2
The ATM header to be used for each channel has to be programmed at the address
given by:
RMADR
MPADR
All other locations should never be accessed as the data changes continuously.
The format of the ATM header entry in the cell insertion buffer is as follows:
6.2.8
Read/write Address 30000
Reset value: Not applicable. RAM must be reset and initialized via SW
Memory size 32K
Data Sheet
31
23
15
7
GFC[3:0] or VPI[11:8]
17 16 15 14 13 12 11 10 9
ATM Receive Buffer
Segmentation Buffer
17 16 15 14 13 12 11 10 9
Reassembly/ATM Transmit Buffers
1
1
15 14 13 12 11 10 9
15 14 13 12 11 10 9
0
0
VCI[3:0]
VPI[3:0]
32 bits: 8 ports x 32 channels x 8 cells x 16 doublewords
1
1 port_nr[2:0]
port_nr
[2:0]
H
to 3FFFF
VCI[11:4]
ref_slot_nr[4:0]
H
channel_nr
146
[4:0]
PXB 4219E, PXB 4220E, PXB 4221E
8
8
7
8
7
8
6
7
6
7
PTI[2:0]
cell_nr
5
6
5
6
[1:0]
00
VCI[15:12]
VPI[7:4]
B
4
5
4
5
3
4
3
4
Memory Structure
double_word
0000
2
3
2
3
[3:0]
IWE8, V3.4
1
2
1
2
B
2003-01-20
CLP
0
1
0
1
24
16
8
0
0
0
0
0