NEC V850 ZigBee Pro User Manual - page 27
Manual is about: 32-bit V850 ZigBee PRO Gateway Development Platform
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Table 3-13 9V Battery checking
Signal
name
Terminal CPU name at
connection destination
Notes
BT_MONI
P78/ANI8
About 0.265 times of input power supply
For instance
If the battery level 6.0V:
The level of the BT_MONI = 0.265x6.0
= 1.59(V)
If the battery level is 4.75V:
The level of the BT_MONI = 0.265x4.75
= 1.25(V)
Hardware specification
Chapter 3
User's Manual U19026EE3V0UM00
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