IDT82V2044E Integrated Device Technology, IDT82V2044E Datasheet - Page 35
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IDT82V2044E
Manufacturer Part Number
IDT82V2044E
Description
4 Channel T1/j1/e1 Short Haul Liu
Manufacturer
Integrated Device Technology
Datasheet
1.IDT82V2044E.pdf
(73 pages)
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QUAD CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
4.2
4.2.1
Table-21 ID: Chip Revision Register
Table-22 RST: Reset Register
Table-23 GCF0: Global Configuration Register 0
INT_PIN[1:0]
INTM_GLB
RST[7:0]
Symbol
Symbol
Symbol
ID[7:0]
COPY
T1E1
REGISTER DESCRIPTION
GLOBAL REGISTERS
-
-
(R, Address = 00H)
(W, Address = 20H)
(R/W, Address = 40H)
7-0
7-0
7-6
1-0
Bit
Bit
Bit
5
4
3
2
Default
Default
Default
01H
01H
00
0
0
0
0
1
Software reset. A write operation on this register will reset all internal registers to their default values, and the sta-
Interrupt pin operation mode selection
00H is for the first version.
tus of all ports are set to the default status. The content in this register can not be changed.
Reserved
Reserved. For normal operation, this bit should be set to ‘0’.
This bit selects E1 or T1/J1 operation mode globally.
= 0: E1 mode is selected.
= 1: T1/J1 mode is selected.
Enable broadcasting mode.
= 0: Broadcasting mode disabled
= 1: Broadcasting mode enabled. Writing operation on one channel's register will be copied exactly to the corre-
sponding registers in all the other channels.
Global interrupt enable
= 0: Interrupt is globally enabled. But for each individual interrupt, it still can be disabled by its corresponding Inter-
rupt mask Bit.
= 1: All the interrupts are disabled for all channels.
= x0: open drain, active low (with an external pull-up resistor)
= 01: push-pull, active low
= 11: push-pull, active high
35
Description
Description
Description
TEMPERATURE RANGES
INDUSTRIAL