CX28398 Conexant Systems, CX28398 Datasheet - Page 195

• Manufacturer Part Number: CX28398
• Description: (CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
• Manufacturer: Conexant Systems

CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
TBOP[5]
TBOP[4]
TBOP[3]
TBOP[2]
TBOP[1]
TBOP[0]
RBOP_LOST
RBOP_VALID
RBOP[5]
RBOP[4]
RBOP[3]
RBOP[2]
RBOP[1]
RBOP[0]
100054E
0A1—Transmit BOP Codeword (TBOP)
0A2—Receive BOP Codeword (RBOP)
RBOP_LOST
—
7
7
RBOP_VALID
6th bit transmitted
5th bit transmitted
4th bit transmitted
3rd bit transmitted
2nd bit transmitted
Transmit BOP codeword, 1st bit transmitted
Previous Message Overwritten—Activated when RBOP is updated and RBOP_VALID is
already set, indicating that the previous codeword was never read by the processor.
RBOP Message Valid—Set each time RBOP[5:0] is updated with a codeword value. Reading
from RBOP clears RBOP_VALID.
6th bit received
5th bit received
4th bit received
3rd bit received
2nd bit received
Receive BOP codeword, 1st bit received
—
0 = no error
1 = prior codeword lost
0 = no message or message read
1 = new RBOP message received
6
6
RBOP[5]
TBOP[5]
5
5
RBOP[4]
TBOP[4]
4
4
Conexant
TBOP[3]
RBOP[3]
3
3
RBOP[2]
TBOP[2]
2
2
3.14 Bit-Oriented Protocol Registers
RBOP[1]
TBOP[1]
1
1
3.0 Registers
RBOP[0]
TBOP[0]
0
0
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