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PIC16F720-E/P Datasheet(PDF) 55 Page - Microchip Technology

No. de pieza PIC16F720-E/P
Descripción Electrónicos  20-Pin Flash Microcontrollers with nanoWatt XLP Technology
PDF  244 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F720-E/P Datasheet(HTML) 55 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS41430A-page 55
PIC16F/LF720/721
FIGURE 6-6:
BLOCK DIAGRAM OF RA5
I/O Pin
VDD
VSS
D
Q
CK
Q
D
Q
CK
Q
D
Q
CK
Q
D
Q
CK
Q
VDD
D
EN
Q
D
EN
Q
Weak
Data Bus
WR
WPUA
RD
WPUA
RD
PORTA
WR
PORTA
WR
TRISA
RD
TRISA
WR
IOCA
RD
IOCA
To TMR1 or CLKIN
INTOSC
mode
RD PORTA
INTOSC
mode
RABPU
Interrupt-on-
Change
Q3
TABLE 6-1:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
Value on
all other
Resets
ADCON0
—
—
CHS3
CHS2
CHS1
CHS0
GO/DONE
ADON
--00 0000
--00 0000
ANSELA
—
—
—ANSA4
—
ANSA2
ANSA1
ANSA0
---1 -111
---1 -111
OPTION_REG
RABPU
INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
1111 1111
PORTA
—
—
RA5
RA4
RA3
RA2
RA1
RA0
--xx xxxx
--xx xxxx
TRISA
—
—
TRISA5
TRISA4
—
TRISA2
TRISA1
TRISA0
--11 -111
--11 -111
Legend:
x
= unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.



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