p16f877 Microchip Technology Inc., p16f877 Datasheet - Page 41

• Manufacturer Part Number: p16f877
• Description: 28/40-pin 8-bit Cmos Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

FIGURE 3-10:
FIGURE 3-11:
TABLE 3-11:
08h
09h
89h
0Ch
8Ch
9Fh
Legend: x = unknown, u = unchanged, - = unimplemented, read as '0'. Shaded cells are not used by the Parallel Slave Port.
Note 1: Bits PSPIE and PSPIF are reserved on the PIC16F873/876; always maintain these bits clear.
Address
2001 Microchip Technology Inc.
PORTD<7:0>
PORTD<7:0>
PSPIF
PSPIF
PORTD
PORTE
TRISE
PIR1
PIE1
ADCON1
OBF
OBF
Name
CS
WR
RD
IBF
CS
WR
RD
IBF
REGISTERS ASSOCIATED WITH PARALLEL SLAVE PORT
Port Data Latch when written: Port pins when read
PSPIF
PSPIE
ADFM
PARALLEL SLAVE PORT WRITE WAVEFORMS
PARALLEL SLAVE PORT READ WAVEFORMS
Bit 7
Q1
IBF
Q1
—
(1)
(1)
ADIF
ADIE
Q2
Bit 6
Q2
OBF
—
—
IBOV
RCIE
RCIF
Bit 5
Q3
Q3
—
—
PSPMODE
Q4
Q4
Bit 4
TXIF
TXIE
—
—
Q1
Q1
PCFG3
SSPIF
SSPIE
Bit 3
—
—
Q2
Q2
PORTE Data Direction Bits
CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
CCP1IF
PCFG2
Bit 2
RE2
Q3
Q3
TMR2IF TMR1IF 0000 0000 0000 0000
PCFG1
Bit 1
RE1
Q4
Q4
Q1
PCFG0 --0- 0000 --0- 0000
Q1
Bit 0
RE0
PIC16F87X
Q2
Q2
xxxx xxxx uuuu uuuu
---- -xxx ---- -uuu
0000 -111 0000 -111
POR, BOR
Value on:
DS30292C-page 39
Q3
Q3
Value on
RESETS
all other
Q4
Q4