PIC16F684-ISL

Manufacturer Part NumberPIC16F684-ISL
ManufacturerMicrochip Technology Inc.
PIC16F684-ISL datasheets
 


Specifications of PIC16F684-ISL

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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 A/D
• the clock input for TMR0
• an external edge triggered interrupt
• a digital output from comparator 1
FIGURE 4-3:
BLOCK DIAGRAM OF RA2
(1)
Analog
Input Mode
Data Bus
D
Q
WR
CK
Q
WPUA
RAPU
RD
WPUA
COUT 1
Enable
D
Q
WR
CK
Q
COUT
1
PORTA
0
D
Q
WR
CK
Q
TRISA
(1)
Analog
Input Mode
RD
TRISA
RD
PORTA
D
Q
Q
D
CK
WR
Q
IOCA
EN
RD
IOCA
Q
D
EN
Interrupt-on-
Change
RD PORTA
To TMR0
To INT
To A/D Converter
Note 1:
Analog Input mode is generated by ANSEL.
 2004 Microchip Technology Inc.
4.2.4.4
RA3/MCLR/V
Figure 4-4 shows the diagram for this pin. The RA3 pin
is configurable to function as one of the following:
• a general purpose input
• as Master Clear Reset with weak pull-up
FIGURE 4-4:
Data Bus
V
DD
RD
Weak
TRISA
RD
PORTA
D
WR
CK
V
IOCA
DD
RD
IOCA
I/O PIN
Interrupt-on-
Change
V
SS
Q3
Preliminary
PIC16F684
PP
BLOCK DIAGRAM OF RA3
V
DD
MCLRE
Weak
MCLRE
Reset
Input
pin
V
SS
MCLRE
V
SS
Q
Q
D
Q
Q3
EN
Q
D
EN
RD PORTA
DS41202C-page 37