pef20324 Infineon Technologies Corporation, pef20324 Datasheet - Page 29

• Manufacturer Part Number: pef20324
• Description: Multichannel Network Interface Controller With 128 Channels Extended
• Manufacturer: Infineon Technologies Corporation

3.3
Each core consists of dedicated circuitry: Serial PCM Interface Controller, Configuration
and State RAM (CSR), 24/32-channel HDLC Controller with internal Transmit and
Receive Buffers, 64-Channel DMA Controller, and Register Set.
3.3.1
This block controls both Parallel–to-Serial (Tx) and Serial-to-Parallel (Rx) conversion
and PCM timing. Additionally, this block controls the multiplexing of channels through the
HDLC controller, as well as switching for the test loops.
3.3.2
This block contains internal RAM which maintains the state of each channel. The
Multiplex Control Block of the Serial PCM Interface Controller handles the switching of
the CSR information into and out of the 24/32-channel HDLC Controller.
3.3.3
The HDLC Controller performs protocol processing for each channel independently,
based on the CSR information for each channel.
Hardware Reference Manual
Functional Blocks
Serial PCM Interface Controller
24/32-channel HDLC Controller
Configuration and State RAM (CSR)
29
Functional Description
PEB 20324
PEF 20324
04.99