PIC16F882-I Datasheet, PDF (60/328 Pages) Microchip Technology – 28/40/44-Pin, Enhanced Flash-Based 8-Bit CMOS Microcontrollers

PIC16F882/883/884/886/887
3.6.1 RD<4:0>
Figure 3-19 shows the diagram for these pins. These
pins are configured to function as general purpose
I/O’s.
Note: RD<4:0> is available on PIC16F884/887
only.
FIGURE 3-19:
BLOCK DIAGRAM OF
RD<4:0>
Data Bus
WR
PORTD
DQ
CK _Q
WR
TRISD
DQ
CK _Q
VDD
I/O Pin
VSS
RD
TRISD
RD
PORTD
3.6.2
RD5/P1B⁽¹⁾
Figure 3-20 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• a PWM output
Note 1: RD5/P1B is available on PIC16F884/887
only. See RB2/AN8/P1B for this function
on PIC16F882/883/886.
3.6.3
RD6/P1C⁽¹⁾
Figure 3-20 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• a PWM output
Note 1: RD6/P1C is available on PIC16F884/887
only. See RB1/AN10/P1C/C12IN3- for
this function on PIC16F882/883/886.
3.6.4
RD7/P1D⁽¹⁾
Figure 3-20 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• a PWM output
Note 1: RD7/P1D is available on PIC16F884/887
only. See RB4/AN11/P1D for this function
on PIC16F882/883/886.
FIGURE 3-20:
BLOCK DIAGRAM OF
RD<7:5>
Data Bus
DQ
WR
PORTD
CK _Q
PSTRCON
CCP1 01
10
DQ
WR
TRISD
CK _Q
RD
TRISD
RD
PORTD
VDD
I/O Pin
VSS
TABLE 3-4: SUMMARY OF REGISTERS ASSOCIATED WITH PORTD
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
PORTD
PSTRCON
TRISD
Legend:
RD7
RD6
RD5
RD4
RD3
RD2
RD1
RD0
xxxx xxxx
—
—
—
STRSYNC STRD
STRC
STRB
STRA ---0 0001
TRISD7 TRISD6 TRISD5 TRISD4 TRISD3 TRISD2 TRISD1 TRISD0 1111 1111
x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by PORTD.
Value on
all other
Resets
uuuu uuuu
---0 0001
1111 1111
DS41291F-page 58
© 2009 Microchip Technology Inc.