cx28365 Mindspeed Technologies, cx28365 Datasheet - Page 40

• Manufacturer Part Number: cx28365
• Description: X12, X6, X4 T3/e3 Framer And Atm Cell Transmission Convergence Sublayer Processor
• Manufacturer: Mindspeed Technologies

Functional Description
Figure 2-1. Framer Functional Block Diagram
2-2
Shallow
{ } Indicates a programmable control bit.
Loop
Back
Line
Status Registers and Counters
Receiver and Transmitter
Performance Monitoring
RxNEGI
RxPOSI
Source
Microprocessor Interface
RxCKI
MUX
Loop
Back
TxPOSO
TxNEGO
TxCKO
MUX
Control
and Status
Preliminary Information/Mindspeed Proprietary and Confidential
Encoder
Decoder
Mindspeed Technologies™
Unipolar
Remote Line
Loopback
TXCLK
Data
Unipolar
Data
Overhead
Insertion
Framing
TxCKI
and
{TXALM}
MUX
Channel
TEXTI
TEXTCKO
TxSYNC
TxGCKO
FEAC
Frame/Overhead/
RX
RECOVERY
Payload Bit
Frame
Data
Link
Check
RX
Channel
FEAC
Data
Link
FEBE/RAI
Generator
TX
TX
Generator
To Message Byte
and Status Register
in µP Interface
Payload
Pattern
To Message
Buffer and Status
Register in µP
Interface
From Message Buffer
in µP Interface
To Status Register
in µP Interface
From Message Byte
in µP Interface
To Status Register
in µP Interface
TxDATI
Generation
RxDATO
FEBE/RAI
Indication
RxGCKO
RxSync
REXTCKO
CX28365/6/4 Data Sheet
Status/Event
Indications to
µP Interface
Status Registers
and Counters
500028C
500028_015