DHDLC HDLC/SDLC controller
Block Diagram
Overview
The DHDLC IP core is used for controlling HDLC/SDLC transmission frame, no matter if it's 8-, 16- or 32-bit microcontroller. It allows to save MCU time wasted for handling HDLC/SDLC features like bit stuffing, address recognition or CRC computation. The DHDLC has implemented FIFO buffer, for both, receiver and transmitter.
Features
- Two separate receiver and transmitter interfaces; Two separate, configurable FIFO buffers for receiver and transmitter
- Bit stuffing and unstuffing; Address recognition for receiver and address insertion for transmitter; ##Two or one byte address field
- CRC-16 and CRC-32 computation and checking; Collision detection; Byte alignment error detection
- Programmable number of bits for idle detection; NRZI coding support; Shared flags, shared zeroes support
- Pad fill with flags option; Transmitter clock generation; 8-bit, 16-bit, 32-bit CPU interface
IP Quality Metrics
| Basic | |
|---|---|
| Year IP was first released | 2013 |
| Latest version of Quartus supported | 15.1 |
| Altera Customer Use | |
| IP has been successfully implemented in production with at least one customer | Y |
| Deliverables | |
Customer deliverables include the following:
|
Y |
| Any additional customer deliverables provided with IP | TBD |
| Parameterization GUI allowing end user to configure IP | Y |
| IP core is enabled for OpenCore Plus Support | Y |
| Source language | Verilog; VHDL |
| Testbench language | Verilog; VHDL |
| Software drivers provided | Y |
| Driver OS support | TBD |
| Implementation | |
| User Interface | AXI; Avalon-MM |
| IP-XACT Metadata included | N |
| Verification | |
| Simulators supported | ModelSim |
| Hardware validated | Y. Altera Board Name DE1, DE2 |
| Industry standard compliance testing performed | N |
| If No, is it planned? | Y |
| Interoperability | |
| IP has undergone interoperability testing | N |
| Interoperability reports available | Y |
Design Solutions Network Members provide products and/or services that are sold or licensed by the Member and not Altera or its affiliates. Altera and its affiliates hereby disclaim any express or implied warranty of any kind including warranties of merchantability, noninfringement of intellectual property, or fitness for any particular purpose with respect to any such products and/or services.