Datasheet

MCP102/103/121/131
DS21906C-page 14  2004-2013 Microchip Technology Inc.
4.4 Using in PIC
®
Microcontroller,
ICSP™ Applications (MCP121
only)
Figure 4-5 shows the typical application circuit for using
the MCP121 for voltage superviory function when the
PIC microcontroller will be programmed via the ICSP
feature. Additional information is available in TB087,
“Using Voltage Supervisors with PIC
®
Microcontroller
Systems which Implement In-Circuit Serial Program-
ming™”, DS91087.
FIGURE 4-5: Typical Application Circuit
for PIC
®
Microcontroller with the ICSP™ feature.
Note: It is recommended that the current into the
RST
pin be current limited by a 1 k
resistor.
V
DD
/V
PP
V
DD
MCLR
(Reset Input)
(Active-low)
V
SS
PIC
®
MCU
R
PU
0.1µF
1k
MCP121
V
DD
RST
V
SS