PIC16F720T-E/SS View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16F720T-E/SS Datasheet PDF : 254 Pages
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PIC16(L)F720/721
FIGURE 6-10:
BLOCK DIAGRAM OF RB7
Data Bus
DQ
WR
WPUB
CK Q
RD
WPUB
DQ
WR
PORTB
CK Q
WR
TRISB
DQ
CK Q
RD
TRISB
RABPU
SPEN
TXEN
SYNC
AUSART
CK 01
AUSART
TX
10
01
10
‘1’ 01
10
VDD
Weak
VDD
I/O Pin
VSS
RD
PORTB
DQ
WR
IOCB
CK Q
RD
IOCB
Interrupt-on-
Change
QD
EN
Q3
QD
EN
RD PORTB
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
Register on
Page
ANSELB
INTCON
IOCB
—
—
ANSB5 ANSB4
—
—
—
—
56
GIE
PEIE TMR0IE INTE RABIE TMR0IF INTF RABIF
38
IOCB7 IOCB6 IOCB5 IOCB4
—
—
—
—
56
OPTION_REG RABPU INTEDG T0CS T0SE PSA
PS2
PS1
PS0
21
PORTB
RB7
RB6
RB5
RB4
—
—
—
—
55
TRISB
TRISB7 TRISB6 TRISB5 TRISB4 —
—
—
—
55
WPUB
WPUB7 WPUB6 WPUB5 WPUB4 —
—
—
—
55
Legend: x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by
PORTB.
2010-2013 Microchip Technology Inc.
DS41430D-page 59
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