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PIC16CR74E/SP Datasheet(PDF) 43 Page - Microchip Technology

Part # PIC16CR74E/SP
Description  28/40-Pin, 8-Bit CMOS ROM Microcontrollers
PDF  172 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16CR74E/SP Datasheet(HTML) 43 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
DS21993C-page 41
PIC16CR7X
FIGURE 4-9:
PARALLEL SLAVE PORT WRITE WAVEFORMS
FIGURE 4-10:
PARALLEL SLAVE PORT READ WAVEFORMS
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 PIC16CR73/76; always maintain these bits clear.
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>



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