PIC16F7X Datasheet, PDF (43/174 Pages) Microchip Technology – 28/40-Pin 8-Bit CMOS FLASH Microcontrollers

PIC16F7X
FIGURE 4-9:
PARALLEL SLAVE PORT WRITE WAVEFORMS
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
CS
WR
RD
PORTD<7:0>
IBF
OBF
PSPIF
FIGURE 4-10:
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 4-11: REGISTERS ASSOCIATED WITH PARALLEL SLAVE PORT
Address 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
08h
PORTD Port data latch when written: Port pins when read
xxxx xxxx uuuu uuuu
09h
PORTE
—
——
—
—
RE2
RE1
RE0 ---- -xxx ---- -uuu
89h
TRISE
IBF OBF IBOV PSPMODE — PORTE Data Direction Bits 0000 -111 0000 -111
0Ch
PIR1
PSPIF^{(1) ADIF RCIF}
TXIF
SSPIF CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
8Ch
PIE1
PSPIE^{(1) ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000}
9Fh
ADCON1 —
——
—
— PCFG2 PCFG1 PCFG0 ---- -000 ---- -000
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 PIC16F73/76; always maintain these bits clear.
 2002 Microchip Technology Inc.
DS30325B-page 41