PIC16F616T-I/SL View Datasheet(PDF) - Apex Microtechnology
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PIC16F616T-I/SL Datasheet PDF : 172 Pages
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FIGURE 4-2:
Data Bus
DQ
WR
WPUA
CK Q
RD
WPUA
BLOCK DIAGRAM OF RA1
Analog(1)
Input Mode
VDD
Weak
RAPU
DQ
WR
PORTA
CK Q
WR
TRISA
DQ
CK Q
RD
TRISA
VDD
I/O Pin
VSS
Analog(1)
Input Mode
RD
PORTA
DQ
WR
IOCA
CK Q
RD
IOCA
QD
EN
Q3
QD
EN
Interrupt-on-
Change
RD PORTA
To Comparator
To A/D Converter
Note 1: Comparator mode and ANSEL determines Analog
Input mode.
PIC16F616/16HV616
4.2.4.3 RA2/AN2/T0CKI/INT/C1OUT
Figure 4-3 shows the diagram for this pin. The RA2 pin
is configurable to function as one of the following:
• a general purpose I/O
• an analog input for the ADC
• the clock input for TMR0
• an external edge triggered interrupt
• a digital output from Comparator C1
FIGURE 4-3:
Data Bus
DQ
WR
WPUA
CK Q
RD
WPUA
DQ
WR
PORTA
CK Q
WR
TRISA
DQ
CK Q
RD
TRISA
BLOCK DIAGRAM OF RA2
Analog(1)
Input Mode
VDD
Weak
RAPU
C1OE
Enable
VDD
C1OE 1
0
I/O Pin
VSS
Analog(1)
Input Mode
RD
PORTA
DQ
WR
IOCA
CK Q
RD
IOCA
Interrupt-on-
Change
QD
EN
Q3
QD
EN
RD PORTA
To Timer0
To INT
To A/D Converter
Note 1: Analog Input mode is generated by ANSEL.
© 2006 Microchip Technology Inc.
Preliminary
DS41288A-page 29
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