82P2284BB IDT, Integrated Device Technology Inc, 82P2284BB Datasheet - Page 118

• Manufacturer Part Number: 82P2284BB
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82P2284BB

• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Not Compliant

4.5
Payload Control blocks, per-channel/per-timeslot indirect register is
accessed by using an indirect register access scheme.
4.5.1
Table 81: Related Bit / Register In Chapter 4
Operation
IDT82P2284
In Receive CAS/RBS Buffer, Receive Payload Control and Transmit
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
ADDRESS[6:0]
is ‘0’;
specify the indirect register address;
the bit is ‘0’;
TEMODE
FM[1:0]
R_OFF
T_OFF
BUSY
D[7:0]
INDIRECT REGISTER ACCESS SCHEME
INDIRECT REGISTER READ ACCESS
T1/J1
RWN
Bit
-
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
118
4.5.2
QUAD T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
• Read the indirect register data from the Access Data register.
An indirect register access request is completed within 4 µs.
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 µs.
is ‘0’;
specify the indirect register address.
INDIRECT REGISTER WRITE ACCESS
0C9, 1C9, 2C9, 3C9 / 0CE, 1CE, 2CE, 3CE / 0D4, 1D4, 2D4, 3D4
0CA, 1CA, 2CA, 3CA / 0CF, 1CF, 2CF, 3CF / 0D5, 1D5, 2D5, 3D5
0C8, 1C8, 2C8, 3C8 / 0CD, 1CD, 2CD, 3CD / 0D3, 1D3, 2D3,
020, 120, 220, 320
028, 128, 228, 328
022, 122, 222, 322
Address (Hex)
3D3
004
February 25, 2008