PIC18FXX20 Datasheet, PDF (132/366 Pages) Microchip Technology – 64/80-Pin High Performance 1 Mbit Enhanced FLASH Microcontrollers with A/D

PIC18FXX20
FIGURE 10-25: PARALLEL SLAVE PORT READ WAVEFORMS
Q1
Q2
Q3
Q4
Q1
Q2
Q3
Q4
Q1
Q2
Q3
Q4
CS
WR
RD
PORTD<7:0>
IBF
OBF
PSPIF
TABLE 10-19: REGISTERS ASSOCIATED WITH PARALLEL SLAVE PORT
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
—
—
—
—
—
Read PORTE pin/
Write PORTE Data Latch
0000 0000 0000 0000
LATE
—
—
—
—
— LATE Data Output bits
xxxx xxxx uuuu uuuu
TRISE
—
—
—
—
— PORTE Data Direction bits
1111 1111 1111 1111
PSPCON IBF
OBF IBOV PSPMODE —
—
—
—
0000 ---- 0000 ----
INTCON
PIR1
PIE1
IPR1
GIE/
GIEH
PSPIF⁽¹⁾
PSPIE⁽¹⁾
PSPIP⁽¹⁾
PEIE/
GIEL
ADIF
ADIE
ADIP
TMR0IF
RCIF
RCIE
RCIP
INT0IE
TXIF
TXIE
TXIP
RBIE TMR0IF INT0IF
RBIF ^{0000 0000 0000 0000}
SSPIF
SSPIE
SSPIP
CCP1IF
CCP1IE
CCP1IP
TMR2IF
TMR2IE
TMR2IP
TMR1IF
TMR1IE
TMR1IP
0000 0000
0000 0000
0111 1111
0000 0000
0000 0000
0111 1111
Legend: x = unknown, u = unchanged, - = unimplemented, read as '0'. Shaded cells are not used by the Parallel Slave Port.
Note 1: Enabled only in Microcontroller mode for PIC18F8X20 devices.
DS39609A-page 130
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 2003 Microchip Technology Inc.