PIC16C782 Microchip Technology Inc., PIC16C782 Datasheet - Page 32

• Manufacturer Part Number: PIC16C782
• Description: 8-bit Cmos Microcontrollers With A/d, D/a, Opamp, Comparators And Psmc
• Manufacturer: Microchip Technology Inc.

PIC16C781/782
FIGURE 3-4:
DS41171A-page 30
WR TRISA
Data Bus
WR ANSEL
Analog Function Enable
RD ANSEL
WR PORTA
RD TRISA
RD PORTA
AN3/V
REF
1 (see Figure 1-3)
ANSEL<3>
BLOCK DIAGRAM OF RA3/AN3/V
0
0
1
D
D
D
ANSEL Reg.
CK
Data Reg.
CK
TRIS Reg.
CK
Q
Q
Q
TRISA<3>
Q
Q
Q
1
0
x
Q
Data Reg.
Preliminary
FUNCTION
EN
Digital Out
Analog In
Digital In
D
REF
1 PIN
V
V
P
N
SS
DD
PORTA<3> READ
Pin
Pin
0
2001 Microchip Technology Inc.
V
V
SS
DD
RA3/AN3/V
REF
1