MT92220BG Zarlink Semiconductor, MT92220BG Datasheet - Page 137

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

Data Sheet
The format of the TX TDM Control Memory is the following:
+A
+C
+E
+0
+2
+4
+6
+0
+2
+4
+6
+8
Add [8:7]
b 15
b 15
HT
TX HDLC Stream Structure
TX xxPCM Buffer Structure
Circular Buffer Read Point [5:0]
b14
b14
Header Type CRC
b13
b13
A0000h
A0008h
A0010h
A0018h
A0020h
A0028h
A0030h
A0038h
A0040h
A1FF0h
A1FF8h
HBC
b12
b12
TX Circular Buffer Base [20:8] /
b11
b11
Figure 74 - TX TDM Control Memory
TX Circular Buffer Base [20:9] / Size Indication
b10
b10
xxPCM Buffer 1022 or HDLC Buffer 511
xxPCM Buffer 0 or HDLC Buffer 0
xxPCM Buffer 1 or HDLC Buffer 0
xxPCM Buffer 2 or HDLC Buffer 1
xxPCM Buffer 3 or HDLC Buffer 1
xxPCM Buffer 4 or HDLC Buffer 2
xxPCM Buffer 5 or HDLC Buffer 2
xxPCM Buffer 6 or HDLC Buffer 3
xxPCM Buffer 7 or HDLC Buffer 3
xxPCM Buffer 8 or HDLC Buffer 4
xxPCM Buffer 1023 or HDLC Buffer 511
1’s Cnt
b9
b9
Zarlink Semiconductor Inc.
b8
b8
b7
b7
Write Offset [10:0]
Add [6:0]
b6
b6
N
SOP [14:5]
b5
b5
History & Valid
IL
OL
b4
b4
b3
b3
b2
b2
C
Buf Size
b1
b1
b0
b0
MT92220
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