Microchip Technology DM164134 Data Sheet
PIC18FXX8
DS41159E-page 108
© 2006 Microchip Technology Inc.
FIGURE 10-3:
PARALLEL SLAVE PORT READ WAVEFORMS
TABLE 10-1:
REGISTERS ASSOCIATED WITH PARALLEL SLAVE PORT
Q1
Q2
Q3
Q4
CS
Q1
Q2
Q3
Q4
Q1
Q2
Q3
Q4
WR
IBF
PSPIF
RD
OBF
PORTD
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
PORTD
Port Data Latch when written; Port pins when read
xxxx xxxx uuuu uuuu
LATD
LATD Data Output bits
xxxx xxxx uuuu uuuu
TRISD
PORTD Data Direction bits
1111 1111 1111 1111
PORTE
—
—
—
—
—
RE2
RE1
RE0
---- -xxx ---- -000
LATE
LATE Data Output bits
---- -xxx ---- -uuu
TRISE
IBF
OBF
IBOV
PSPMODE
—
PORTE Data Direction bits
0000 -111 0000 -111
INTCON
GIE/GIEH PEIE/GIEL TMR0IE
INT0IE
RBIE
TMR0IF
INT0IF
RBIF
0000 000x 0000 000u
PIR1
PSPIF
ADIF
RCIF
TXIF
SSPIF
CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
PIE1
PSPIE
ADIE
RCIE
TXIE
SSPIE
CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
IPR1
PSPIP
ADIP
RCIP
TXIP
SSPIP
CCP1IP TMR2IP TMR1IP 1111 1111 1111 1111
Legend:
x
= unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used by the Parallel Slave Port.