MPL4215

Octal RS-232/RS-485 Interface Card

The MPL4215 is an octal RS-232/RS-485 interface board on the G-64/96 bus. Up to eight channels RS-232 with full hardware handshake (MPL4215-1) or eight channels RS-485 (MPL 4215-2) are available. A third version with the first four channels RS-232 and the second four channels RS-485 is available on request (MPL4215-3). The interface device used is a popular and well supported device: 68C681.
The MPL4215 can be accessed in the synchronous as well as in the asynchronous VPA mode. Vectored interrupts are supported to speed up the interrupt work out time.
The MPL4215 can be used together with other vectored cards due to its 'interrupt daisy-chain' capability.
The card is designed fully in CMOS and typically consumes 50mA (RS 485 version: 80mA) at +5V. Therefore the MPL4215 is well suited for applications requiring an increased number of serial channels concentrated on one card and/or low power consumption.

Technical Features

Eurocard format (100 x 160mm)
G-64/96 specified bus interface
Eight serial channels
MPL4215-1: 8 x RS-232 with RTS/CTS
MPL4215-2: 8 x RS-485
MPL4215-3: 4 x RS-232 / 4 x RS-485
DUART 68C681 is used four times
Oscillator frequency 3.6864 MHz
Baudrate independently programmable for each channel
Baudrate from 50 to 38400 Baud selectable
On board +5V to ±10V converter
One freely programmable LED indicator for each channel
Four 16 Bit timers
Accessible in synchronous and asynchronous VPA mode
Supports vectored interrupts
Supports interrupt daisy-chain
Fully CMOS design
Consumes typ. 50mA (80mA) at +5V

Further Documentation

Manuals, Data Sheets, and Press Releases can be found in the MPL Documentation area of this homepage.