MT92220BG Zarlink Semiconductor, MT92220BG Datasheet - Page 120

• Manufacturer Part Number: MT92220BG
• Description: Description = 1023 Channel Voice Over IP/AAL2 Processor ;; Package Type = Epbga ;; No. Of Pins = 608
• Manufacturer: Zarlink Semiconductor

120
The format of the RX RTP Common PDV Absorption structure is the following:
PSI
XPE
PSD
RSA
Bus Time Stamp at which
last Packet was received
Field
+10
+12
+14
+16
+18
+A
+C
+E
+0
+2
+4
+6
+8
RSO RSL RSM
b 15
b14
Bus Time Stamp at which Last Packet was Received [31:16]
Figure 63 - RTP Common PDV Absorption Structure
b13
Bus Timestamp at which Last Packet was Received [15:0]
Prevent Total Slip Offset Delta from incrementing. When ‘1’, overrun slips will not
cause the Total Slip Offset Delta from being changed. Overruns in this mode can
only generate an RX Disassembly Event Structure. For proper data integrity
behavior, the software should correct the Total Slip Offset Delta manually when
overruns occur and this bit is set.
Write 0 for normal operation.
Prevent Total Slip Offset Delta from decrement. When ‘1’, underrun slips will not
cause the Total Slip Offset Delta from being changed. In this mode, underruns
can only generate an RX Disassembly Event Structure. For proper data integrity
behavior, the software should correct the Total Slip Offset Delta manually when
underruns occur and this bit is set.
Reset Total Slip Offset Delta Always. When this bit is set, all packets received will
be written to the TDM bus at a time stamp delta exactly equal to the Desired
Remote/Local Time Stamp Delta. Setting this bit gives controlling software full
control of the de-jittering functionality.
This field contains the local 32-bit bus time stamp that was present when the last
received packet was processed by the PDV monitoring block.
b12
Desired Remote/Local Timestamp Delta [31:16]
Desired Remote/Local Timestamp Delta [15:0]
Min Slip
Table 48 - Fields and Description
Last Packet Remote Time Stamp [31:16]
Last Packet Remote Time Stamp [15:0]
b11
Total Slip Offset Delta [31:16]
b10
Total Slip Offset Delta [15:0]
Zarlink Semiconductor Inc.
b9
Reserved
b8
b7
PSI
Description
IIL
b6
XPE
b5
I2
PSD
b4
b3
b2
b1
RSA
b0