PXB4219E Datasheet, PDF (134/290 Pages) Infineon Technologies AG – Interworking Element for 8 E1/T1 Lines

IWE8, V3.4
PXB 4219E, PXB 4220E, PXB 4221E
Memory Structure
cont_slot
ref_slot
01 = Select byte-pattern 1, defined in bp10[bp1]
10 = Select byte-pattern 2, defined in bp32[bp2]
11 = Select byte-pattern 3, defined in bp32[bp3]
Continuation slot indicator
0 = This is not a continuation slot
Reference slot indicator
0 = This slot is not a reference slot
6.1.3 RAM3: Transmit Port Configuration Extended
Read/write Address 00600_H to 007FF_H
Reset value: Not applicable. RAM must be reset and initialized via SW
Memory size 256K × 32 bits: 8 ports x 32 slots x 1 doubleword
MPADR 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 1 1 port_nr
[2:0]
slot[4:0]
RAM3 needs only to be programmed in the case of an “AAL Transmit Reference Slot’.
In all other cases the RAM3 entry is don’t care.
6.1.3.1 RAM3: AAL Transmit Reference Slot
Read/write Address 00600_H to 007FF_H
Reset value: Not applicable. RAM must be reset and initialized via SW.
31
Not used
starv_bpslct[1:0]
23
starv_ini[7:0]
15
buff_lsize[13:6]
7
buff_lsize[5:0]
24
starv_ini[10:8]
16
8
auto_
reinit_of
0
auto_
reinit_uf
Data Sheet
134
2003-01-20