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Table 16.29
Power Supply Voltage Detection Circuit Characteristics (3)
Using on-chip reference voltage and detect voltage external input (VREFSEL = 0, VINTDSEL
and VINTUSEL = 1)
Item
extD/extU interrupt
detection level
extD/extU pin input
2
voltage *
Notes: 1. The VextD voltage must always be greater than the VextU voltage.
2. The maximum input voltage of the extD and extU pins is 3.6 V.
Symbol
Min
Typ
Vexd
0.80
1.20
1
VextD *
–0.3
—
1
VextU *
–0.3
—
Rated Values
Max
1.60
V
+ 0.3 or AV
CC
+ 0.3, whichever is
lower
3.6 or AV
+ 0.3,
CC
whichever is lower
Rev. 6.00, 08/04, page 507 of 628
Unit
Test Condition
V
V
V
= 2.7 to 3.3 V
CC
CC
V
V
= 3.3 to 5.5 V
CC
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