82P2281PFG8 IDT, Integrated Device Technology Inc, 82P2281PFG8 Datasheet - Page 107

• Manufacturer Part Number: 82P2281PFG8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82P2281PFG8

• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Package Type: TQFP
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Compliant

4.5
mit Payload Control blocks, per-channel/per-timeslot indirect register is
accessed by using an indirect register access scheme.
4.5.1
is ‘0’;
specify the indirect register address;
the bit is ‘0’;
Table 81: Related Bit / Register In Chapter 4
Operation
IDT82P2281
ADDRESS[6:0]
In Receive CAS/RBS Buffer, Receive Payload Control and Trans-
The indirect register read access is as follows:
- Read the BUSY bit in the Access Status register to confirm the bit
- Write the Access Control register to initiate the read operation and
- Read the BUSY bit in the Access Status register again to confirm
TEMODE
FM[1:0]
R_OFF
T_OFF
BUSY
D[7:0]
T1/J1
RWN
Bit
INDIRECT REGISTER ACCESS SCHEME
-
INDIRECT REGISTER READ ACCESS
TPLC Access Status / RPLC Access Status / RCRB Access Status
TPLC Access Data / RPLC Access Data / RCRB Access Data
TPLC Access Control / RPLC Access Control
Transmit Configuration 0
Receive Configuration 0
/ RCRB Access Control
T1/J1 Or E1 Mode
Software Reset
Register
107
SINGLE T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
4.5.2
is ‘0’;
specify the indirect register address.
- Read the indirect register data from the Access Data register.
An indirect register access request is completed within 4 µ s.
The indirect register write access is as follows:
- Read the BUSY bit in the Access Status register to confirm the bit
- Write the Access Data register;
- Write the Access Control register to initiate the write operation and
An indirect register access request is completed within 4 µ s.
INDIRECT REGISTER WRITE ACCESS
0CA / 0CF / 0D5, 1D5, 2D5, 3D5
0C8 / 0CD / 0D3
0C9 / 0CE / 0D4
Address (Hex)
004
020
028
022
August 20, 2009