IDT82P2816BB IDT, Integrated Device Technology Inc, IDT82P2816BB Datasheet - Page 79

• Manufacturer Part Number: IDT82P2816BB
• Description: IC LIU T1/J1/E1 16+1CH 416-PBGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT82P2816BB

• Function: Line Interface Unit (LIU)
• Interface: E1, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 1.8V, 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: Defect and Alarm Detection, Driver Over-Current Detection and Protection, LLOS Detection, PRBSARB / IB Detection and Generation
• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Supply: -
• Power (watts): -
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant
• Other names: 82P2816BB

REFA - REFA Clock Sources Configuration Register
REFB - REFB Clock Sources Configuration Register
Address: 280H
Type: Read / Write
Default Value: 41H
Address: 240H
Type: Read / Write
Default Value: 41H
Programming Information
IDT82P2816
4 - 0
4 - 0
Bit
Bit
7
6
5
7
6
5
7
7
-
-
CKB_T1E1
CKA_T1E1
REFB_EN
REFB[4:0]
REFA_EN
REFA[4:0]
Name
Name
-
-
REFB_EN
REFA_EN
6
6
Reserved.
This bit controls whether the output on the REFA pin is enabled.
0: The output is disabled. REFA is in High-Z state.
1: The output is enabled. (default)
This bit defines the input clock frequency on the CLKA pin.
0: Input T1 clock. (default)
1: Input E1 clock.
These bits select the clock source for REFA.
00000: Recovered clock of channel 0.
00001: Recovered clock of channel 1. (default)
00010: Recovered clock of channel 2.
......
01111: Recovered clock of channel 15.
10000: Recovered clock of channel 16.
10001 ~ 11111: The input on CLKA.
Reserved.
This bit controls whether the output on the REFB pin is enabled.
0: The output is disabled. REFB is in High-Z state.
1: The output is enabled. (default)
This bit defines the input clock frequency on the CLKB pin.
0: Input T1 clock. (default)
1: Input E1 clock.
These bits select the clock source for REFB.
00000: Recovered clock of channel 0.
00001: Recovered clock of channel 1. (default)
00010: Recovered clock of channel 2.
......
01111: Recovered clock of channel 15.
10000: Recovered clock of channel 16.
10001 ~ 11111: The input on CLKB.
CKA_T1E1
CKB_T1E1
5
5
REFA4
REFB4
4
4
16(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
79
REFB3
REFA3
3
3
Description
Description
REFB2
REFA2
2
2
REFB1
REFA1
1
1
February 6, 2009
REFB0
REFA0
0
0