B&B Electronics UNO-2170 Battery Backup Sram, Reset Button, Lithium Battery Specification

2.10 Battery Backup SRAM

UNO-2170 provides 512 KB of battery backed SRAM. This ensures that you have a safe place to store critical data. You can now write software applications without being concerned that system crashes will erase criti- cal data from the memory.

There is a BTRY LED in the front panel of the UNO-2170, please replace the lithium battery with a new one if the BTRY LED is activated.

2.10.1 Lithium Battery Specification

Type: BR2032 (Using CR2032 is NOT recommended)

Output voltage: 3 VDC

Location: the backside of UNO-2170 board.

Figure 2.5: The location of the lithium battery for SRAM

2.11 Reset Button

Press the "Reset" button to activate the reset function. (SW1)

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