Datasheet

PIC16F610/616/16HV610/616
DS41288F-page 38 © 2009 Microchip Technology Inc.
4.2.4.4 RA3/MCLR/VPP
Figure 4-3 shows the diagram for this pin. The RA3 pin
is configurable to function as one of the following:
• a general purpose input
• as Master Clear Reset with weak pull-up
• High Voltage Programming voltage input
FIGURE 4-3: BLOCK DIAGRAM OF RA3
VSS
D
Q
CK
Q
D
EN
Q
Data Bus
RD PORTA
RD
PORTA
WR
IOCA
RD
IOCA
Reset
MCLRE
RD
TRISA
VSS
D
EN
Q
MCLRE
VDD
Weak
MCLRE
Q1
Input
Pin
Interrupt-on-
Change
S
(1)
R
Q
From other
Write ‘0’ to RAIF
Note 1: Set has priority over Reset
RA<5:4, 2:0> pins