PIC16F722 Datasheet, PDF (88/302 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC16F72X/PIC16LF72X
FIGURE 6-22:
BLOCK DIAGRAM OF RE<2:0>
Data Bus
WR
PORTE
DQ
CK _Q
WR
TRISE
DQ
CK _Q
RD
TRISE
ANSE<0:2>
VDD
I/O Pin
VSS
RD
PORTE
To A/D Converter
Note: RE<2:0> are not implemented on PIC16F722/723/726/PIC16LF722/723/726.
FIGURE 6-23:
BLOCK DIAGRAM OF RE3
ICSP™ Mode Detect
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
DS41341E-page 88
© 2009 Microchip Technology Inc.