This application note describes how to design application boards accepting either standard M24LRxx-R or energy-harvesting M24LRxxE-R devices.
The document explains the pin-out differences between the standard M24LRxx-R and energy-harvesting M24LRxxE-R devices, specifically focusing on Pin 1 and Pin 7. It details how these pins function differently in each device family, with Pin 1 serving as an input for the standard device but as a voltage output for the energy-harvesting version, and Pin 7 acting as an input versus a status output.
| Document ID | 018544 |
|---|---|
| Revision | Rev 2 |
| Release Date | 29-Mar-2011 |
Pin 1 should be left unconnected (HiZ) or connected to a high impedance to avoid short-circuiting Vout to Vcc in the energy-harvesting device.
Pin 7 should be configured to define E1=0, which is achieved by leaving the pin unconnected or connecting it to a high impedance.