
3
UEPM DEVELOPMENT BOARD
1. Precautions .................................................................................................................... 5
2. Introduction..................................................................................................................... 6
3. Board Overview.............................................................................................................. 7
4. Functions........................................................................................................................ 9
4.1. Target Board......................................................................................................... 9
4.2. LCD Display.........................................................................................................10
4.3. Extension Pins.....................................................................................................11
4.4. Battery and Charging Circuit................................................................................11
4.5. Control Pins.........................................................................................................13
4.6. Switches..............................................................................................................14
4.7. Serial Communication..........................................................................................15
4.8. INNOVASUB Pressure Sensor............................................................................18
4.9. Piezo-Switches....................................................................................................19
4.10. Potentiometers.....................................................................................................20
4.11. LEDs....................................................................................................................20
4.12. Oxygen Sensor....................................................................................................21
4.13. General Purpose ADC Inputs...............................................................................22
4.14. MS5541C Pressure Sensor .................................................................................23
5. Programs.......................................................................................................................24
5.1. Sample Codes.....................................................................................................24
5.2. USB Sample Code...............................................................................................24
5.3. SD Card Sample..................................................................................................25
5.4. UEPM Sample Code............................................................................................25
Configuration................................................................................................................26
Mapping.......................................................................................................................26
Main.............................................................................................................................26
Timer............................................................................................................................27
LEDs............................................................................................................................27
PowerManager.............................................................................................................27
LCD..............................................................................................................................28
UART...........................................................................................................................28
XBee............................................................................................................................28
Piezo............................................................................................................................28
SD Slot.........................................................................................................................28
ADC .............................................................................................................................29
Pressure Sensor ..........................................................................................................29
Interrupts......................................................................................................................29