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Part Name
Description
PIC16F721-ESS View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16F721-ESS
20-Pin Flash Microcontrollers
Microchip Technology
PIC16F721-ESS Datasheet PDF : 254 Pages
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PIC16(L)F720/721
FIGURE 6-8:
Data Bus
DQ
WR
WPUB
CK
Q
RD
WPUB
DQ
WR
PORTB
CK
Q
WR
TRISB
DQ
CK
Q
RD
TRISB
BLOCK DIAGRAM OF RB5
Analog
(1)
Input mode
V
DD
Weak
RABPU
SYNC
SPEN
V
DD
AUSART
DT
0
1
1
0
From
AUSART
0
1
1
0
Analog
(1)
Input mode
I/O Pin
V
SS
RD
PORTB
DQ
WR
IOCB
CK
Q
RD
IOCB
QD
EN
QD
EN
Interrupt-on-
Change
RD PORTB
To AUSART RX/DT
To A/D Converter
Q3
ST
Note 1:
ANSEL determines Analog Input mode.
FIGURE 6-9:
Data Bus
DQ
WR
WPUB
CK
Q
RD
WPUB
BLOCK DIAGRAM OF RB6
RABPU
V
DD
Weak
WR
PORTB
DQ
CK
Q
WR
TRISB
DQ
CK
Q
RD
TRISB
RD
PORTB
DQ
WR
IOCB
CK
Q
RD
IOCB
Interrupt-on-
Change
To SSP
SSPEN
SSP
Clock
0
1
1
0
From
SSP
0
1
1
0
V
DD
I/O Pin
V
SS
QD
EN
QD
EN
Q3
ST
RD PORTB
DS41430D-page 58
2010-2013 Microchip Technology Inc.
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