IDT82V2048 Integrated Device Technology, Inc., IDT82V2048 Datasheet - Page 35

• Manufacturer Part Number: IDT82V2048
• Manufacturer: Integrated Device Technology, Inc.

IDT82V2048 OCTAL T1/E1 SHORT HAUL LINE INTERFACE UNIT
OE: Output Enable Configuration Register (R/W, Address = 12 Hex)
TS: Transmit Template Select Register (R/W, Address = 11 Hex)
AIS: Alarm Indication Signal Status Register (R, Address = 13 Hex)
AISM : Alarm Indication Signal Interrupt Mask Register (R/W, Address = 14 Hex)
AISI: Alarm Indication Signal Interrupt Status Register (R, Address = 15 Hex)
ADDP: Address Pointer Control Register (R/W, Address = 1F Hex)
ADDP[7:0] ADDP.7-0
Symbol
AISI[7:0]
AISM[7:0]
Symbol
Symbol
TS[2-0]
Symbol
OE[7:0]
Symbol
Symbol
AIS[7:0]
-
Position
Position
TS.2-0
TS.7-3
Position
AISI.7-0
Position
OE.7-0
AISM.7-0
Position
Default
Position
AIS.7-0
00 H
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.
Default
00000
000
Default
Default
00 H
Default
00 H
00 H
Default
0 = Normal operation. (Default)
1 = Reserved.
TS[2:0] select one of eight built-in transmit template for different applications.
00 H
TS[2:0]
0 = (Default), or after an AIS read operation
1 = Any transition on AISn. (Corresponding AISMn is set to 1.)
000
001
010
011
100
101
110
111
0 = Transmit drivers enabled. (Default)
1 = Transmit drivers placed in high impedance state.
0 = AIS interrupt is not allowed. (Default)
1 = AIS interrupt is allowed.
0 = Normal operation. (Default)
1 = AIS detected.
Reserved.
Mode
35
E1
T1
T1
T1
T1
T1
75
Description
coaxial cable/120
Description
Description
Description
Description
Description
INDUSTRIAL TEMPERATURE RANGES
Cable Length
133 - 266 ft.
266 - 399 ft.
399 - 533 ft.
533 - 655 ft.
twisted pair cable.
0 - 133 ft.