Single Board Computers
Microprocessor Training Systems
Custom Engineering & Manufacturing

The PCM-3640 4-port RS-232 interface module supports full duplex serial communications and provides reliable high speed data transfers under multitasking environments.

FEATURES

• 4 RS-232 ports with 10-pin connectors: 16C550 UART with 16-byte FIFO Speeds up to 115 Kbps
• Choose address COM 1 to COM4 or other user definable I/O address
• Individually selectable IRQ for each port (3, 4, 5, 6, 7, 9, 10, 11, 12, or 15)

SPECIFICATIONS

• Channel: 4-port RS-232 support
• Baud rate: 50 ~ 115,200 bps
• Character length: 5,6,7, or 8 bits
• Parity: Even, odd, or none
• Stop bit: 1, 1.5, or 2
• Interrupt level: IRQ 3,4,,5,6,7,9,10,11,12, or 15
• I/O connectors: Dual male DB-9
• Power consumption: +5 V @ 220 mA typical

PRICING (Single Unit. Includes: Integration, Setup, and Testing)

PCM-3640 ... Four Port RS232 PC/104 Module
(Note: Use the PCM-3643 instead of the PCM-3640 with Operating Systems (i.e. Linux/XP) that support interrupt sharing)

Available Options:
Single Board Computers (SBC)
Custom and Semi-custom Engineering Services