
PIC16C63A/65B/73B/74B
DS30605C-page 38
2000 Microchip Technology Inc.
FIGURE 5-9:
PARALLEL SLAVE PORT WRITE WAVEFORMS
FIGURE 5-10:
PARALLEL SLAVE PORT READ WAVEFORMS
TABLE 5-11:
REGISTERS ASSOCIATED WITH 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>
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
0Bh, 8Bh INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
0000 000u
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.