Difference between revisions of "FRAM Model AIO"

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Revision as of 14:25, 30 July 2019

Introduction

The AIO has an onboard FRAM connected via I2C to the DSPIC33E (The Master). FRAM is used to keep track of the real-time change, Eeprom is used to store the settings. This document describes the FRAM memory locations used.

General Configuration Bytes

Page 0 -> General data

Data output modules

Page 1 – 10 -> Contains data of the output modules, 32 bytes per module, 8 modules per page, 10 pages (80 modules maximum, 640 outputs -> 0-639)
Page Byte
1 x
This page is entirely used for output module 0-7:
* Module 0: Byte0..31
* Module 1: Byte32..63
* ...
Page Byte
2 x
This page is entirely used for output module 8-15:
* Module 8: Byte0..31
* Module 9: Byte32..63
* ...
Page Byte
3 x
This page is entirely used for output module 16-23:
* Module 16: Byte0..31
* Module 17: Byte32..63
* ...

...

Page Byte
10 x
This page is entirely used for output module 72-79:
* Module 72: Byte0..31
* Module 73: Byte32..63
* ...