Datasheet

 2011 Microchip Technology Inc. DS39960D-page 511
PIC18F87K22 FAMILY
FIGURE 31-11: HIGH/LOW-VOLTAGE DETECT CHARACTERISTICS
TABLE 31-14: HIGH/LOW-VOLTAGE DETECT CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C  TA  +85°C for industrial
-40°C
 TA  +125°C for extended
Param
No.
Sym Characteristic Min Typ Max Units Conditions
D420 HLVD Voltage on VDD
Transition High-to-Low
HLVDL<3:0> = 0000 1.80 1.86 1.90 V
HLVDL<3:0> =
0001 2.03 2.12 2.13 V
HLVDL<3:0> =
0010 2.24 2.33 2.35 V
HLVDL<3:0> =
0011 2.40 2.49 2.53 V
HLVDL<3:0> =
0100 2.50 2.59 2.62 V
HLVDL<3:0> =
0101 2.70 2.75 2.84 V
HLVDL<3:0> =
0110 2.82 2.93 2.97 V
HLVDL<3:0> =
0111 2.95 3.07 3.10 V
HLVDL<3:0> =
1000 3.24 3.30 3.41 V
HLVDL<3:0> =
1001 3.42 3.48 3.59 V
HLVDL<3:0> =
1010 3.61 3.67 3.79 V
HLVDL<3:0> =
1011 3.82 3.87 4.01 V
HLVDL<3:0> =
1100 4.06 4.21 4.26 V
HLVDL<3:0> =
1101 4.33 4.42 4.55 V
HLVDL<3:0> =
1110 4.64 4.77 4.87 V
VHLVD
HLVDIF
V
DD
(HLVDIF set by hardware)
(HLVDIF can be
cleared in software)
VHLVD
For VDIRMAG = 1:
For VDIRMAG =
0:
VDD