參數(shù)資料
型號: IDT82P2521BH
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 5/147頁
文件大小: 0K
描述: IC LIU E1 21+1CH SHORT 640-PBGA
標準包裝: 5
類型: 線路接口裝置(LIU)
規(guī)程: E1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 640-BGA 裸露焊盤
供應商設(shè)備封裝: 640-PBGA-EP(31x31)
包裝: 托盤
其它名稱: 82P2521BH
IDT82P2521
21(+1) CHANNEL HIGH-DENSITY E1 LINE INTERFACE UNIT
Programming Information
102
December 7, 2005
IBL - Inband Loopback Control Register
IBG - Inband Loopback Generation Code Definition Register
Address: 015H, 055H, 095H, 0D5H, 115H, 155H, 195H, 1D5H, (CH1~CH8)
215H, 255H, 295H, 2D5H, 315H, 355H, 395H, 3D5H, (CH9~CH16)
415H, 455H, 495H, 4D5H, 515H, (CH17~CH21)
7D5H (CH0)
Type: Read / Write
Default Value: 01H
Bit
Name
Description
7 - 6
-
Reserved.
5 - 4
IBGL[1:0]
These bits define the length of the valid IB generation code programmed in the IBG[7:0] bits (b7~0, IBG,...).
00: 5-bit long in the IBG[4:0] bits (b4~0, IBG,...). (default)
01: 6-bit long in the IBG[5:0] bits (b5~0, IBG,...).
10: 7-bit long in the IBG[6:0] bits (b6~0, IBG,...).
11: 8-bit long in the IBG[7:0] bits (b7~0, IBG,...).
3 - 2
IBAL[1:0]
These bits define the length of the valid target activate IB detection code programmed in the IBA[7:0] bits (b7~0, IBDA,...).
00: 5-bit long in the IBA[4:0] bits (b4~0, IBDA,...). (default)
01: 6-bit long in the IBA[5:0] bits (b5~0, IBDA,...).
10: 7-bit long in the IBA[6:0] bits (b6~0, IBDA,...).
11: 8-bit long in the IBA[7:0] bits (b7~0, IBDA,...).
1 - 0
IBDL[1:0]
These bits define the length of the valid target deactivate IB detection code programmed in the IBD[7:0] bits (b7~0, IBDD,...).
00: 5-bit long in the IBD[4:0] bits (b4~0, IBDD,...).
01: 6-bit long in the IBD[5:0] bits (b5~0, IBDD,...). (default)
10: 7-bit long in the IBD[6:0] bits (b6~0, IBDD,...).
11: 8-bit long in the IBD[7:0] bits (b7~0, IBDD,...).
Address: 016H, 056H, 096H, 0D6H, 116H, 156H, 196H, 1D6H, (CH1~CH8)
216H, 256H, 296H, 2D6H, 316H, 356H, 396H, 3D6H, (CH9~CH16)
416H, 456H, 496H, 4D6H, 516H, (CH17~CH21)
7D6H (CH0)
Type: Read / Write
Default Value: 01H
Bit
Name
Description
7 - 0
IBG[7:0]
The IBG[X:0] bits define the content of the IB generation code. The ‘X’ is determined by the IBGL[1:0] bits (b5~4, IBL,...). The
IBG0 bit is the last bit to be generated. The code is generated repeatedly until the IB generation is stopped.
7654321
0
-
IBGL1
IBGL0
IBAL1
IBAL0
IBDL1
IBDL0
7
654
321
0
IBG7
IBG6
IBG5
IBG4
IBG3
IBG2
IBG1
IBG0
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