IDT82P2284 Integrated Device Technology, Inc., IDT82P2284 Datasheet - Page 200

• Manufacturer Part Number: IDT82P2284
• Description: 4 Channel T1/J1/E1 Transceiver
• Manufacturer: Integrated Device Technology, Inc.

IDT82P2284
T1/J1 RHDLC1 High Address (0A1H, 1A1H, 2A1H, 3A1H)
T1/J1 RHDLC2 High Address (0A2H, 1A2H, 2A2H, 3A2H)
T1/J1 RHDLC3 High Address (0A3H, 1A3H, 2A3H, 3A3H)
HA[7:0]:
lowing the opening flag) is compared with the value in these bits, or with ‘0xFC’ or ‘0xFE’. The HA[1] bit (the ‘C/R’ bit position) is excluded to compare.
Programming Information
Bit Name
Bit Name
Bit Name
Default
Default
Default
Bit No.
Bit No.
Bit No.
Type
Type
Type
The function of the above three sets of registers are the same. However, they correspond to different RHDLC.
In HDLC mode, when high byte address comparison or both bytes address comparison is required, the high byte address position (the byte fol-
HA7
R/W
HA7
R/W
HA7
R/W
7
0
7
0
7
0
HA6
R/W
HA6
R/W
HA6
R/W
6
0
6
0
6
0
HA5
R/W
HA5
R/W
HA5
R/W
5
0
5
0
5
0
HA4
R/W
HA4
R/W
HA4
R/W
4
0
4
0
4
0
189
QUAD T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
HA3
R/W
HA3
R/W
HA3
R/W
3
0
3
0
3
0
HA2
R/W
HA2
R/W
HA2
R/W
2
0
2
0
2
0
HA1
R/W
HA1
R/W
HA1
R/W
1
0
1
0
1
0
March 22, 2004
HA0
R/W
HA0
R/W
HA0
R/W
0
0
0
0
0
0