HDLC104

HDLC104

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HDLC Communications Controller

The HDLC104 is a four channel HDLC communications controller on a single PC/104 card. The HDLC104 uses a high performance, industry standard serial communication controller to provide 4 independent channels that can be configured for either HDLC-Synchronous or Asynchronous communication.

The HDLC104 has been designed for demanding transportation and industrial applications. The HDLC104 supports an extended temperature operation range of –40°C to +85°C. All 4 ports feature galvanic isolation up to 2000Vrms.

Each of the 4 channels can be individually configured for RS-232, RS-422 or RS-485 electrical interface. Each channel has independent receive and transmit FIFOs that allow high speed serial data rates. Intelligent interrupt hardware and flexible address decoding allow the HDLC104 card to occupy only 32bytes of IO space and a single IRQ line on a PC/104 system.

The HDLC104 is available with software drivers for Linux, Windows, and Windows-CE6.0/7.0 (x86).

Add to Quote Datasheet Manual

HDLC Synchronous RS232 RS422 RS485

Highlights

4 channel concurrent operation
Individually configurable for HDLC / Asynchronous operation
2000Vrms galvanic isolation for each port
Selectable RS-232/422/485 electrical interface
Uses single IRQ
Rugged, Locking I/O connectors
Single +5V power supply
Extended temperature operation (-40°C to +85°C)
Standard PC/104 form factor

Applications

Serial protocol conversion
Mass-Transit / Transportation
POS and ATM systems
LAN Gateway or Bridge
Embedded WAN

Supported Platforms Windows 7, Windows 8, Windows 10, Linux

Communications Controller

32Bytes FIFO per channel
HDLC synchronous, Asynchronous operation

HDLC

HDLC protocol support
Wide range of serial encoding methods:
NRZ, NRZB, Biphase Mark (FM1), Biphase Space (FM0),
Biphase Level (Manchester),
Biphase Differential (Manchester Differential)
Up to 1MBit/sec multiple Ports (depends on host CPU)
Supporting differential TX-Data and RX-Data
Full-duplex operation
Abort Sequence generation and checking
Automatic zero bit insertion/deletion
Automatic flag insert

Asynchronous

Programmable baud rates up to 115200bps
Full-duplex operation
5,6,7, or 8 data bits per character
1, 1.5, or 2 stop bits
Odd or Even parity

Bus Interface

16-bit PC/104 Interface (stack through)
Single IRQ – one of IRQ 10 or 11
Flexible I/O mapping to PC/104 IO space

Physical Interface

Independent RS-232/RS-422/RS-485 ports
2000Vrms galvanic isolation
Supporting TX-Data, RX-Data, CTS, RTS
4 off 10-pin 0.1inch pitch headers

Miscellaneous

Single +5V at less than 1000mA
Operating temp -40°C to +85°C (extended temp)
Standard 3.6 x 3.8in PC/104 form factor

Documentation

Related Information

PC/104 specification

Order Enquiry for HDLC104

Product Codes

HDLC104-EXT - 4-port PC/104 HDLC Controller (-40 to 85°C)

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Highlights

Applications

Documentation

HDLC2000

HDLC-cPCI

HDLC-cPCIs

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