Datasheet

PIC16F7X7
DS30498C-page 54  2004 Microchip Technology Inc.
FIGURE 5-7: BLOCK DIAGRAM OF OSC1/CLKI/RA7 PIN
Data
Bus
QD
Q
CK
P
N
WR
PORTA
WR
TRISA
Data Latch
TRIS Latch
RD TRISA
RD PORTA
V
SS
VDD
OSC1/CLKI
Q
D
Q
CK
DQ
EN
Oscillator
Circuit
1
0
RA7 pin
(FOSC = 10x) + EMUL
NEMUL
(FOSC = 10x)
P
N
V SS
VDD
(FOSC = 10x) + EMUL
(FOSC = 10x)
VDD
(FOSC = 011)
TTL
Buffer