PIC18F452-IPT Datasheet, PDF (103/332 Pages) Microchip Technology – High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D

PIC18FXX2
FIGURE 9-12:
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 9-11: 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
—
—
—
—
—
RE2
RE1
RE0 ---- -000 ---- -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/ TMR0IF
GIEL
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 0000 0000 0000 0000
ADCON1 ADFM ADCS2 —
—
PCFG3 PCFG2 PCFG1 PCFG0 00-- 0000 00-- 0000
Legend: x = unknown, u = unchanged, - = unimplemented, read as '0'. Shaded cells are not used by the Parallel Slave Port.
© 2006 Microchip Technology Inc.
DS39564C-page 101