PIC16F737-I Datasheet, PDF (54/276 Pages) Microchip Technology – 28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC16F7X7
FIGURE 5-5:
BLOCK DIAGRAM OF RA5/AN4/LVDIN/SS/C2OUT PIN
Data
Bus
WR
PORTA
WR
TRISA
D
Q
CK Q
Data Latch
D
Q
Comparator Mode = 011, 101
Comparator 2 Output
1
0
CK Q
TRIS Latch
Analog
Input Mode
RD TRISA
Q
D
VDD
P
N
VSS
TTL
Buffer
RA5/AN4/LVDIN/
SS/C2OUT pin
EN
RD PORTA
SS Input
LVDIN
To A/D Module Channel Input
DS30498C-page 52
 2004 Microchip Technology Inc.