
1997 Microchip Technology Inc.
DS30390E-page 55
PIC16C7X
FIGURE 5-12: PARALLEL SLAVE PORT WRITE WAVEFORMS
FIGURE 5-13: PARALLEL SLAVE PORT READ WAVEFORMS
TABLE 5-11:
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
0Ch
PIR1
PSPIF
ADIF
RCIF
TXIF
SSPIF
CCP1IF
TMR2IF
TMR1IF
0000 0000
8Ch
PIE1
PSPIE ADIE RCIE
TXIE
SSPIE
CCP1IE
TMR2IE
TMR1IE
0000 0000
9Fh
ADCON1
—
PCFG2
PCFG1
PCFG0
---- -000
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by the Parallel Slave Port.
Q1
Q2
Q3
Q4
CS
Q1
Q2
Q3
Q4
Q1
Q2
Q3
Q4
WR
RD
IBF
OBF
PSPIF
PORTD<7:0>
Q1
Q2
Q3
Q4
CS
Q1
Q2
Q3
Q4
Q1
Q2
Q3
Q4
WR
IBF
PSPIF
RD
OBF
PORTD<7:0>