Microchip Technology AC244045 Data Sheet
PIC16F72X/PIC16LF72X
DS41341E-page 60
© 2009 Microchip Technology Inc.
FIGURE 6-5:
BLOCK DIAGRAM OF RA6
FIGURE 6-6:
BLOCK DIAGRAM OF RA7
0
1
I/O Pin
V
DD
V
SS
D
Q
CK
Q
D
Q
CK
Q
RD
WR
WR
RD
F
OSC
= LP or XT or HS
Data Bus
PORTA
TRISA
TRISA
PORTA
F
OSC
/4
CLKOUT
(1)
Enable
Note 1: CLKOUT Enable = 1 When F
OSC
= RC or INTOSC (No I/O Selected).
Oscillator
Circuit
RA7/OSC1
VCAPEN = 10
To Voltage Regulator
(00
X
OR
010)
PIC16F72X only
I/O Pin
V
DD
V
SS
D
Q
CK
Q
D
Q
CK
Q
RD
WR
WR
RD
OSC = INTOSC or
Data Bus
PORTA
TRISA
TRISA
PORTA
Oscillator
Circuit
RA6/OSC2
INTOSCIO