Use of FTDI devices in life support and/or safety applications is entirely at the user’s risk, and the user agrees
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from such use.
VI800A_N485U Datasheet
Version 1.1
Document Reference No.: FT_000993 Clearance No.: FTDI#413
FTDI Chip
VI800A-N485U Datasheet
Plug in accessory for
VM800P Embedded Video
Engine
Plus module
1 Introduction
The VI800A-N485U is a plug in accessory for
the VM800P Plus module, which is used to
develop and demonstrate the functionality of
the FT800 Embedded Video Engine, EVE.
This module behaves as an SPI to RS485
bridge on the VM800P Plus module.
1.1 Features
Connects to the VM800P Plus module using
an SPI slave interface
SPI slave interface is converted to RS485
interface
4 GPIO inputs and 4 GPIO outputs
8 LEDs to indicate the input and output
status
3.3 V IO with 5 V tolerant buffers
Screw connector to connect the RS485
signals, GPIO inputs and GPIO outputs
IO interface to connect the RS485 signals,
GPIO inputs and GPIO outputs
Powered from the VM800P module
2
Copyright © 201422/10/2014 Future Technology Devices International Limited
VI800A_N485U Datasheet
Version 1.1
Document Reference No.: FT_000993 Clearance No.: FTDI#413
2 Ordering Information
Part No.
Description
VI800A-N485U
VI800A RS485 module, plug accessory for the VM800P Plus module
Table 2-1 – Ordering information