PIC16F722 Datasheet, PDF (60/302 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC16F72X/PIC16LF72X
FIGURE 6-5:
BLOCK DIAGRAM OF RA6
PIC16F72X only
To Voltage Regulator
VCAPEN = 10
Data Bus
WR
PORTA
CLKOUT⁽¹⁾
Enable
FOSC/4 1
DQ
0
CK _Q
WR
TRISA
DQ
CK _Q
RD
TRISA
FOSC = LP or XT or HS
(00X OR 010)
Oscillator
Circuit
RA7/OSC1
VDD
I/O Pin
VSS
RD
PORTA
Note 1: CLKOUT Enable = 1 When FOSC = RC or INTOSC (No I/O Selected).
FIGURE 6-6:
BLOCK DIAGRAM OF RA7
Data Bus
WR
PORTA
DQ
CK _Q
WR
TRISA
DQ
CK _Q
RD
TRISA
OSC = INTOSC or
INTOSCIO
Oscillator
Circuit
RA6/OSC2
RD
PORTA
VDD
I/O Pin
VSS
DS41341E-page 60
© 2009 Microchip Technology Inc.