AT86RF401E ATMEL [ATMEL Corporation], AT86RF401E Datasheet - Page 43

• Manufacturer Part Number: AT86RF401E
• Description: Smart RF Wireless Data Microtransmitter
• Manufacturer: ATMEL [ATMEL Corporation]

Table 21. Low Battery Detection Threshold Formulas (V
1424F–RKE–12/03
BL[5:0]
VDD
=
=
71
---------------------------------------------------------- -
1
+
V
DD
3.887
0.887
-------------- -
3.887
Falling
63
V
REF
BL[5:0]
V
------------ -
V
REF
DD
–
1
BL[5:0]
VDD
BOHYST = 1 (large hysteresis)
=
=
---------------------------------------------------------- -
1
71
+
REF
0.887
-------------- -
4.05
4.05
63
is approximately 0.7 volts)
V
REF
V
------------ -
BL[5:0]
V
REF
DD
–
1
V
DD
Rising
BL[5:0]
VDD
BOHYST = 0 (small hysteresis)
=
=
---------------------------------------------------------- -
1
71
+
0.887
-------------- -
4.22
AT86RF401
4.22
63
V
REF
V
------------ -
BL[5:0]
V
REF
DD
–
1
43