參數(shù)資料
型號： IDT82P5088BBG
廠商： IDT, Integrated Device Technology Inc
文件頁數(shù)： 48/81頁
文件大?。?/td> 0K
描述： IC LIU T1/E1/J1 OCTAL 256PBGA
標(biāo)準(zhǔn)包裝： 90
功能： 線路接口單元（LIU）
接口： E1，J1，T1
電路數(shù)： 8
電源電壓： 1.8V, 3.3V
功率（瓦特）： 2.57W
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 256-BGA
供應(yīng)商設(shè)備封裝： 256-PBGA（17x17）
包裝： 托盤
包括： 集成式時(shí)鐘適配器
IDT82P5088
UNIVERSAL OCTAL T1/E1/J1 LIU WITH INTEGRATED CLOCK ADAPTER
PROGRAMMING INFORMATION
52
February 5, 2009
4.3.6
TRANSMIT AND RECEIVE TERMINATION REGISTER
4.3.7
INTERRUPT CONTROL REGISTERS
Table-55 TERM: Transmit and Receive Termination Configuration Register
(R/W, Address = X32H)
Symbol
Bit
Default
Description
-
7-6
00
Reserved
T_TERM[2:0]
5-3
000
These bits select the internal termination for transmit line impedance matching.
= 000: internal 75
impedance matching
= 001: internal 120
impedance matching
= 010: internal 100
impedance matching
= 011: internal 110
impedance matching
=1xx: Selects external impedance matching resistors for E1 mode only. T1/J1 does not require external imped-
ance resistors (see Table-14).
R_TERM[2:0]
2-0
000
These bits select the internal termination for receive line impedance matching.
= 000: internal 75
impedance matching
= 001: internal 120
impedance matching
= 010: internal 100
impedance matching
= 011: internal 110
impedance matching
= 1xx: Selects external impedance matching resistors (see Table-16).
Table-56 INTENC0: Interrupt Mask Register 0
(R/W, Address = X33H)
Symbol
Bit
Default
Description
-
7
0
Reserved.
NLPA_IE
6
0
In-band Loopback activate code detect interrupt mask
= 1: In-band Loopback activate code detect interrupt enabled
= 0: In-band Loopback activate code detect interrupt masked
NLPD_IE
5
0
In-band Loopback deactivate code detect interrupt mask
= 1: In-band Loopback deactivate code detect interrupt enabled
= 0: In-band Loopback deactivate code detect interrupt masked
PRBS_IE
4
0
PRBS synchronic signal detect interrupt mask
= 1: PRBS synchronic signal detect interrupt enabled
= 0: PRBS synchronic signal detect interrupt masked
TCLK_IE
3
0
TCLK loss detect interrupt mask
= 1: TCLK loss detect interrupt enabled
= 0: TCLK loss detect interrupt masked
DF_IE
2
0
Driver failure interrupt mask
= 1: Driver failure interrupt enabled
= 0: Driver failure interrupt masked
AIS_IE
1
0
Alarm Indication Signal interrupt mask
= 1: Alarm Indication Signal interrupt enabled
= 0: Alarm Indication Signal interrupt masked
LOS_IE
0
Loss Of Signal interrupt mask
= 1: Loss Of Signal interrupt enabled
= 0: Loss Of Signal interrupt masked
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