PIC18F2450/4450
FIGURE 21-3:
HIGH/LOW-VOLTAGE DETECT CHARACTERISTICS
For VDIRMAG = 1:
VDD
VHLVD
(HLVDIF set by hardware)
(HLVDIF can be
cleared in software)
VHLVD
VDD
For VDIRMAG = 0:
HLVDIF
TABLE 21-4: HIGH/LOW-VOLTAGE DETECT CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for industrial
Param
No.
Sym
Characteristic
Min
Typ
Max Units
Conditions
D420
HLVD Voltage on VDD HLVDL<3:0> = 0000 2.06
2.17 2.28
2.23 2.34
2.36 2.48
2.44 2.56
2.60 2.73
2.79 2.93
2.89 3.04
3.12 3.28
3.39 3.56
3.55 3.73
3.71 3.90
3.90 4.10
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Transition High-to-Low
HLVDL<3:0> = 0001 2.12
HLVDL<3:0> = 0010 2.24
HLVDL<3:0> = 0011 2.32
HLVDL<3:0> = 0100 2.47
HLVDL<3:0> = 0101 2.65
HLVDL<3:0> = 0110 2.74
HLVDL<3:0> = 0111 2.96
HLVDL<3:0> = 1000 3.22
HLVDL<3:0> = 1001 3.37
HLVDL<3:0> = 1010 3.52
HLVDL<3:0> = 1011 3.70
HLVDL<3:0> = 1100 3.90
HLVDL<3:0> = 1101 4.11
HLVDL<3:0> = 1110 4.36
4.11
4.32
4.33 4.55
4.59 4.82
DS39760A-page 280
Advance Information
© 2006 Microchip Technology Inc.
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