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参数资料
型号： IDT82V2044EPFG
厂商： IDT, Integrated Device Technology Inc
文件页数： 38/73页
文件大小： 0K
描述： IC LIU T1/E1 QUAD SHORT 128-TQFP
标准包装： 15
类型： 线路接口装置（LIU）
规程： E1
电源电压： 3.13 V ~ 3.47 V
安装类型： 表面贴装
封装/外壳： 128-LQFP
供应商设备封装： 128-TQFP（14x20）
包装： 托盘
其它名称： 82V2044EPFG
43
INDUSTRIAL
TEMPERATURE RANGES
QUAD CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
Table-37 MAINT2: Maintenance Function Control Register 2
(R/W, Address = 0CH,4CH,8CH,CCH)
Symbol
Bit
Default
Description
-
7-6
00
Reserved.
TIBLB_L[1:0]
5-4
00
Defines the length of the user-programmable transmit Inband Loopback activate/deactivate code contained in
TIBLB register. The default selection is 5 bits length.
= 00: 5-bit activate code in TIBLB [4:0]
= 01: 6-bit activate code in TIBLB [5:0]
= 10: 7-bit activate code in TIBLB [6:0]
= 11: 8-bit activate code in TIBLB [7:0]
RIBLBA_L[1:0]
3-2
00
Defines the length of the user-programmable receive Inband Loopback activate code contained in RIBLBA regis-
ter.
= 00: 5-bit activate code in RIBLBA [4:0]
= 01: 6-bit activate code in RIBLBA [5:0]
= 10: 7-bit activate code in RIBLBA [6:0]
= 11: 8-bit activate code in RIBLBA [7:0]
RIBLBD_L[1:0]
1-0
01
Defines the length of the user-programmable receive Inband Loopback deactivate code contained in RIBLBD reg-
ister.
= 00: 5-bit deactivate code in RIBLBD [4:0]
= 01: 6-bit deactivate code in RIBLBD [5:0]
= 10: 7-bit deactivate code in RIBLBD [6:0]
= 11: 8-bit deactivate code in RIBLBD [7:0]
Table-38 MAINT3: Maintenance Function Control Register 3
(R/W, Address = 0DH,4DH,8DH,CDH)
Symbol
Bit
Default
Description
TIBLB[7:0]
7-0
(000)00001 Defines the user-programmable transmit Inband Loopback activate/deactivate code. The default selection is
00001.
TIBLB[7:0] form the 8-bit repeating code
TIBLB[6:0] form the 7-bit repeating code
TIBLB[5:0] form the 6-bit repeating code
TIBLB[4:0] form the 5-bit repeating code
Table-39 MAINT4: Maintenance Function Control Register 4
(R/W, Address = 0EH,4EH,8EH,CEH)
Symbol
Bit
Default
Description
RIBLBA[7:0]
7-0
(000)00001 Defines the user-programmable receive Inband Loopback activate code. The default selection is 00001.
RIBLBA[7:0] form the 8-bit repeating code
RIBLBA[6:0] form the 7-bit repeating code
RIBLBA[5:0] form the 6-bit repeating code
RIBLBA[4:0] form the 5-bit repeating code
Table-40 MAINT5: Maintenance Function Control Register 5
(R/W, Address = 0FH,4FH,8FH,CFH)
Symbol
Bit
Default
Description
RIBLBD[7:0]
7-0
(00)001001 Defines the user-programmable receive Inband Loopback deactivate code. The default selection is 001001.
RIBLBD[7:0] form the 8-bit repeating code
RIBLBD[6:0] form the 7-bit repeating code
RIBLBD[5:0] form the 6-bit repeating code
RIBLBD[4:0] form the 5-bit repeating code
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