82V2044BB IDT, Integrated Device Technology Inc, 82V2044BB Datasheet - Page 35

• Manufacturer Part Number: 82V2044BB
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82V2044BB

• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Not Compliant

OE: Output Enable Configuration Register (R/W, Address = 12H)
AIS: Alarm Indication Signal Status Register (R, Address = 13H)
AISM: Alarm Indication Signal Interrupt Mask Register (R/W, Address = 14H)
AISI: Alarm Indication Signal Interrupt Status Register (R, Address = 15H)
ADDP: Address Pointer Control Register (R/W, Address = 1F H)
TS: Transmit Template Select Register (R/W, Address = 11H)
IDT82V2044
ADDP[7:0]
AISM[3:0]
Programming Information
AISI[3:0]
Symbol
Symbol
Symbol
AIS[3:0]
Symbol
Symbol
Symbol
OE[3:0]
TS[2-0]
-
-
-
-
-
ADDP.7-0
AISM.7-4
AISM.3-0
Position
Position
Position
Position
Position
AISI.7-4
AISI.3-0
AIS.7-4
AIS.3-0
Position
OE.7-4
OE.3-0
TS.7-3
TS.2-0
Default
Default
Default
Default
Default
0000
0000
0000
0000
0000
0000
0000
0000
00H
Default
00000
000
0 = Normal operation.
1 = Reserved.
0 = Normal operation. (Default)
1 = AIS detected.
0 = Normal operation.
1 = Reserved.
0 = AIS interrupt is not allowed. (Default)
1 = AIS interrupt is allowed.
0 = Normal operation.
1 = Reserved.
0 = (Default), or after an AIS read operation
1 = Any transition on AISn. (Corresponding AISMn is set to ‘1’.)
Two kinds of configuration in this register can be set to switch between primary register bank and expanded register bank.
When power up, the address pointer will point to the top address of primary register bank automatically.
00H = The address pointer points to the top address of primary register bank (default).
AAH = The address pointer points to the top address of expanded register bank.
0 = Normal operation.
1 = Reserved.
0 = Transmit drivers enabled. (Default)
1 = Transmit drivers in high-Z state.
0 = Normal operation. (Default)
1 = Reserved.
TS[2:0] select one of eight built-in transmit template for different applications.
TS[2:0]
000
001
010
011
100
101
110
111
Mode
E1
T1
T1
T1
T1
T1
35
QUAD T1/E1 SHORT HAUL LINE INTERFACE UNIT
Description
Description
Description
Description
Description
Description
75 Ω coaxial cable/120 Ω twisted pair cable.
Reserved.
Cable Length
133 - 266 ft.
266 - 399 ft.
399 - 533 ft.
533 - 655 ft.
0 - 133 ft.
September 22, 2005