PIC16F871 Microchip Technology Inc., PIC16F871 Datasheet - Page 45

• Manufacturer Part Number: PIC16F871
• Description: 28/40-pin, 8-bit Cmos Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

FIGURE 4-9:
FIGURE 4-10:
TABLE 4-11:
 2003 Microchip Technology Inc.
08h
09h
89h
0Ch
8Ch
9Fh
Legend:
Address
PORTD<7:0>
PORTD<7:0>
PSPIF
PSPIF
PORTD
PORTE
TRISE
PIR1
PIE1
ADCON1
x = unknown, u = unchanged, - = unimplemented, read as '0'. Shaded cells are not used by the Parallel Slave Port.
OBF
OBF
CS
WR
RD
IBF
CS
WR
RD
IBF
Name
REGISTERS ASSOCIATED WITH PARALLEL SLAVE PORT
Port Data Latch when written: Port pins when read
PSPIE ADIE
PSPIF ADIF
ADFM
PARALLEL SLAVE PORT WRITE WAVEFORMS
PARALLEL SLAVE PORT READ WAVEFORMS
Bit 7
IBF
Q1
Q1
—
Bit 6
OBF
—
—
Q2
Q2
IBOV
RCIF
RCIE
Bit 5
—
—
Q3
Q3
PSPMODE
Bit 4
TXIF
TXIE
Q4
Q4
—
—
Q1
Q1
PCFG3
Bit 3
—
—
—
—
Q2
Q2
PORTE Data Direction bits
CCP1IE TMR2IE TMR1IE
CCP1IF TMR2IF TMR1IF
PCFG2
Bit 2
RE2
Q3
Q3
PCFG1
Bit 1
RE1
Q4
Q4
PIC16F870/871
PCFG0
Bit 0
RE0
Q1
Q1
xxxx xxxx
---- -xxx
0000 -111
0000 0000
0000 0000
--0- 0000
POR, BOR
Q2
Value on:
Q2
DS30569B-page 43
Q3
Q3
uuuu uuuu
---- -uuu
0000 -111
0000 0000
0000 0000
--0- 0000
Value on
RESETS
all other
Q4
Q4