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PIC16F720-E/ML 数据表(PDF) 61 Page - Microchip Technology

部件名 PIC16F720-E/ML
功能描述  20-Pin Flash Microcontrollers with nanoWatt XLP Technology
PDF  244 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

PIC16F720-E/ML 数据表(HTML) 61 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS41430A-page 61
PIC16F/LF720/721
FIGURE 6-10:
BLOCK DIAGRAM OF RB7
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
WPUB
RD
WPUB
RD PORTB
RD
PORTB
WR
PORTB
WR
TRISB
RD
TRISB
WR
IOCB
RD
IOCB
Interrupt-on-
RABPU
Change
Q3
SPEN
TXEN
CK
TX
SYNC
AUSART
AUSART
0
1
1
0
0
1
1
0
0
1
1
0
‘1’
TABLE 6-2:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
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
ANSELB
—
—
ANSB5
ANSB4
—
—
—
—
--11 ----
--11 ----
INTCON
GIE
PEIE
TMR0IE
INTE
RABIE
TMR0IF
INTF
RABIF
0000 000x
0000 000x
IOCB
IOCB7
IOCB6
IOCB5
IOCB4
—
—
—
—
0000 ----
0000 ----
OPTION_REG
RABPU
INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
1111 1111
PORTB
RB7
RB6
RB5
RB4
—
—
—
—
xxxx ----
uuuu ----
T1GCON
TMR1GE
T1GPOL
T1GTM
T1GSPM
T1GGO/
DONE
T1GVAL
T1GSS1
T1GSS0
0000 0x00
uuuu uxuu
TRISB
TRISB7
TRISB6
TRISB5
TRISB4
—
—
—
—
1111 ----
1111 ----
WPUB
WPUB7
WPUB6
WPUB5
WPUB4
—
—
—
—
1111 ----
1111 ----
RCSTA
SPEN
RX9
SREN
CREN
ADDEN
FERR
OERR
RX9D
0000 000x
0000 000x
TXREG
AUSART Transmit Data Register
0000 0000
0000 0000
RCREG
AUSART Receive Data Register
0000 0000
0000 0000
Legend:
x
= unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by PORTB.



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