PIC16F737-I Datasheet, PDF (56/276 Pages) Microchip Technology – 28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

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