Oumex MOD-IO2, User Manual, Page: 3 / 29

OLIMEX© 2015 MOD-IO2 user's manual
Table of Contents
DISCLAIMER ............................................................................................................. 2
CHAPTER 1 OVERVIEW ......................................................................................... 5
1. Introduction to the chapter ....................................................................................................... 5
1.1 Features ..................................................................................................................................... 5
1.2 MOD-IO vs MOD-IO2 ............................................................................................................ 5
1.3 Target market and purpose of the board ............................................................................... 6
1.4 Organization ............................................................................................................................. 6
CHAPTER 2 SETTING UP THE MOD-IO2 BOARD ............................................ 7
2. Introduction to the chapter ....................................................................................................... 7
2.1 Electrostatic warning ............................................................................................................... 7
2.2 Requirements ........................................................................................................................... 7
2.3 Powering the board .................................................................................................................. 7
2.4 Firmware description and basic usage under Linux ............................................................ 8
2.4.1 Custom software tool for controlling MOD-IO2 under Linux ......................................... 8
2.4.2 I2CTools for controlling MOD-IO2 under Linux ............................................................ 11
CHAPTER 3 MOD-IO2 BOARD DESCRIPTION ................................................ 14
3. Introduction to the chapter ..................................................................................................... 14
3.1 Layout (top view) ................................................................................................................... 14
CHAPTER 4 THE PIC16F1503 MICROCONTROLLER ................................... 15
4. Introduction to the chapter ..................................................................................................... 15
4.1 The PIC16F1503 features ...................................................................................................... 15
CHAPTER 5 CONNECTORS AND PINOUT ....................................................... 16
5. Introduction to the chapter ..................................................................................................... 16
5.1 ICSP ........................................................................................................................................ 16
5.2 UEXT modules ....................................................................................................................... 16
5.2.1 Female connector ....................................................................................................................... 16
5.2.2 Male connector ........................................................................................................................... 17
5.3 Relay output connectors ........................................................................................................ 17
5.4 GPIO connectors .................................................................................................................... 18
5.5 PWR Jack ............................................................................................................................... 18
5.6 Jumper description ................................................................................................................ 19
5.6.1 PROG ......................................................................................................................................... 19
5.6.2 SDA_E/SCL_E ........................................................................................................................... 19
5.6.3 UEXT_FPWR_E ........................................................................................................................ 19
5.6.4 UEXT_MPWR_E ...................................................................................................................... 19
5.7 Additional hardware components ........................................................................................ 19
CHAPTER 6 BLOCK DIAGRAM AND MEMORY ............................................. 20
6. Introduction to the chapter ..................................................................................................... 20
6.1 Processor block diagram ....................................................................................................... 20
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