PIC16F747 Microchip Technology Inc., PIC16F747 Datasheet - Page 52

• Manufacturer Part Number: PIC16F747
• Description: 28/40/44-pin, 8-bit Cmos Flash Microcontrollers With 10-bit A/d And Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

PIC16F7X7
FIGURE 5-1:
DS30498C-page 50
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
To A/D Module Channel Input
To Comparator
D
Data Latch
D
TRIS Latch
CK
CK
RD TRISA
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA0/AN0:RA1/AN1 PINS
Input Mode
Analog
Q
Input Buffer
EN
V
V
P
N
D
TTL
DD
SS
I/O pin
FIGURE 5-2:
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
To A/D Module Channel Input
To Comparator
TRIS Latch
To A/D Module V
D
D
Data Latch
CK
CK
RD TRISA
Q
Q
Q
Q
BLOCK DIAGRAM OF
RA3/AN3/V
 2004 Microchip Technology Inc.
Input Mode
REF
Analog
Q
+ Input
Input Buffer
EN
REF
V
V
P
N
TTL
D
DD
SS
+ PIN
I/O pin