IO60-COM4

Description

The IO60-COM4 is a four channel asynchronous serial module supporting RS-232, RS-422, and RS-485 serial standards. The module utilizes high-speed serial peripheral interface (SPI™) and I2C interfaces to provide serial expansion for single board computers with the IO60 connector. The flexible design uses jumperless configuration and is compatible with both ARM and x86 single board computers.

DATA SHEET

PRODUCT INFO

Features

Four independent asynchronous serial channels
Each serial channel supports:
- 128-word Transmit and Receive FIFOs
- RS-232, RS-422 or RS-485D
- Programmable baud rates up to 5.5 Mbps
- CTS, RTS, DSR, DTR, RI and DCD (RS-232)
No external resistors required for RS-485/422 termination
RS-485/422 Enhanced Fail-safe for inputs
±15kV ESD Protection Human Body Model (HBM)
Industrial -40° to +85°C operational temperature

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Features
Serial UART	Four independent asynchronous serial channels – Maxim MAX14830ETM+ Quad Serial UART 128-Word Transmit and Receive FIFOs per channel Programmable baud rates to 5.5 Mbps (using 1.8432 MHz reference) Fractional baud-rate generators, predivider, and phase-locked loop (PLL) Software and hardware flow control supported Programmable serial characteristics for each channel: – 5, 6, 7, or 8-bit character lengths – Even, odd, or no parity – 1, 1.5, or 2 stop bits
Serial Transceivers	RS-232, RS-485, and RS-422 Transceivers with internal termination – EXAR – SP339EER1 High Speed interfaces support up to 20 Mbps RS-485/422 and 1 Mbps RS-232 No external resistors required for RS-485/422 termination CTS, RTS, DSR, DTR, RI and DCD (RS-232) RS-485/422 Enhanced fail-safe for inputs Local internal loopback for diagnostics ESD Protection: – ±15kV Human Body Model (HBM) – ±8kV IEC 61000-4-2 (Contact)
Power	+3.3V required, 37 mA typical
Mechanical	IO60-compliant 1.97 x 2.84 inches (50 x 72 mm) Weight: 19g (0.67 oz)
Operating Temperature Range	-40°C to 85°C