ARMmite Pin Description

 

24 pins available to the user, 8 of which can be analog inputs Dual Use AD pins

 

On reset or power up the AD pins are configured as AD inputs.  To change those to digital IOs, the user must individually specify a control direction using INPUT x, OUTPUT x, or IO(x) commands.  After that they will remain digital IOs until the next reset or power up.

 

Battery Real Time Clock

 

The ARMmite board is designed to accept a Panasonic ML2020/H1C rechargeable Lithium battery at position BT1. This battery powers the real time clock of the LPC2103.  The contents of RAM is not kept alive while running on battery, and the CPU restarts the user program in Flash when power is restored.  This battery is designed to maintain power for a few days without power, and will recharge fully in about 1 day.