IDT82V2108BB IDT, Integrated Device Technology Inc, IDT82V2108BB Datasheet - Page 246
IDT82V2108BB
Manufacturer Part Number
IDT82V2108BB
Description
IC FRAMER T1/J1/E1 8CH 144-BGA
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT82V2108PX8.pdf
(292 pages)
Specifications of IDT82V2108BB
Controller Type
T1/E1/J1 Framer
Interface
Parallel
Voltage - Supply
2.97 V ~ 3.63 V
Current - Supply
160mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
144-BGA
Screening Level
Industrial
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
82V2108BB
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IDT82V2108
T1 / J1 THDLC #1, #2 Configuration (034H, 0B4H, 134H, 1B4H, 234H, 2B4H, 334H, 3B4H)
J1-00DH).
FLGSHARE:
FIFOCLR:
EOM:
data byte transmitted.
ABT:
in the FIFO will be lost.
transitions from logic 0 to logic 1.
CRC:
EN:
EOM is set to logic 1.
Programming Information
Bit Name
Default
Bit No.
Type
Selection of the THDLC block (#1 or #2) whose registers are visible on the microprocessor interface is done via the THDLCSEL[1:0] (b5~4, T1/
= 0: The closing flag of the current HDLC and the opening flag of the next HDLC are separate.
= 1: The closing flag of the current HDLC and the opening flag of the next HDLC are shared.
= 0: Normal operation.
= 1: Clear the FIFO.
= 0: Normal operation.
= 1: A positive transition of this bit starts a packet transmission. Then if the CRC(b1, E1-050H) is set, the 16-bit FCS word is appended to the last
= 0: Normal operation.
= 1: Transmit the 7F abort sequence after the current setting in the Transmit Data register is transmitted, so that the FIFO is cleared and all data
Aborts are continuously sent and the FIFO is held in reset until this bit is reset to a logic 0. At least one abort sequence will be sent when the ABT
= 0: Do not append the CRC-16 frame check sequences (FCS) to the end of the HDLC data.
= 1: Append the FCS to the end of the HDLC data.
= 0: Disable the operation of the THDLC block and transmit all ‘One’s on the assigned data link.
= 1: Enable the operation of the THDLC block and flag sequences are sent until data is written into the THDLC Transmit Data register and the
FLGSHARE
R/W
7
1
FIFOCLR
R/W
6
0
5
Reserved
4
236
EOM
R/W
3
0
ABT
R/W
2
0
T1 / E1 / J1 OCTAL FRAMER
CRC
R/W
1
1
March 5, 2009
R/W
EN
0
0
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