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| PIC16F722A Datasheet, PDF (75/284 Pages) Microchip Technology – 28-Pin Flash Microcontrollers with nanoWatt XLP Technology | |||
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6.5.1 RE3/MCLR/VPP
Figure 6-21 shows the diagram for this pin. This pin is
configurable to function as one of the following:
⢠General purpose input
⢠Master Clear Reset with weak pull-up
⢠Programming voltage reference input
FIGURE 6-21:
BLOCK DIAGRAM OF RE3
ICSP⢠Mode Detect
PIC16F/LF722A/723A
VDD
Weak
In-Circuit Serial Programming⢠Mode
MCLR Circuit
Data Bus
RD
TRISE
RD
PORTE
MCLR
Pulse Filter
VSS
High-Voltage
Detect
I/O Pin
VSS
Power for Programming Flash
ï£ 2010 Microchip Technology Inc.
DS41417A-page 75
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