PIC18F4550-IP Datasheet, PDF (386/438 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

PIC18F2455/2550/4455/4550
FIGURE 28-3:
HIGH/LOW-VOLTAGE DETECT CHARACTERISTICS
For VDIRMAG = 1:
VDD
VHLVD
(HLVDIF set by hardware)
(HLVDIF can be
cleared in software)
For VDIRMAG = 0:
VDD
VHLVD
HLVDIF
TABLE 28-6: HIGH/LOW-VOLTAGE DETECT CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for industrial
Param
No.
Symbol
Characteristic
Min Typ Max Units
Conditions
D420
HLVD Voltage on VDD HLVDL<3:0> = 0000 2.06 2.17 2.28
Transition High-to-Low _{HLVDL<3:0> = 0001 2.12 2.23 2.34}
HLVDL<3:0> = 0010 2.24 2.36 2.48
HLVDL<3:0> = 0011 2.32 2.44 2.56
HLVDL<3:0> = 0100 2.47 2.60 2.73
HLVDL<3:0> = 0101 2.65 2.79 2.93
HLVDL<3:0> = 0110 2.74 2.89 3.04
HLVDL<3:0> = 0111 2.96 3.12 3.28
HLVDL<3:0> = 1000 3.22 3.39 3.56
HLVDL<3:0> = 1001 3.37 3.55 3.73
HLVDL<3:0> = 1010 3.52 3.71 3.90
HLVDL<3:0> = 1011 3.70 3.90 4.10
HLVDL<3:0> = 1100 3.90 4.11 4.32
HLVDL<3:0> = 1101 4.11 4.33 4.55
HLVDL<3:0> = 1110 4.36 4.59 4.82
HLVDL<3:0> = 1111 1.14 1.20 1.26
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V Voltage at HLVDIN
input pin compared to
Internal Voltage
Reference
DS39632E-page 384
© 2009 Microchip Technology Inc.