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PIC16C71 датащи(PDF) 59 Page - Microchip Technology

номер детали PIC16C71
подробное описание детали  8-Bit CMOS Microcontrollers
PDF  337 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16C71 датащи(HTML) 59 Page - Microchip Technology

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© 1997 Microchip Technology Inc.
DS30234D-page 59
PIC16C6X
TABLE 5-11:
PORTE FUNCTIONS
TABLE 5-12:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTE
Name
Bit#
Buffer Type
Function
RE0/RD
bit0
ST/TTL(1)
Input/output port pin or Read control input in parallel slave port mode.
RD
1 = Not a read operation
0 = Read operation. The system reads the PORTD register (if
chip selected)
RE1/WR
bit1
ST/TTL(1)
Input/output port pin or Write control input in parallel slave port mode.
WR
1 = Not a write operation
0 = Write operation. The system writes to the PORTD register (if
chip selected)
RE2/CS
bit2
ST/TTL(1)
Input/output port pin or Chip select control input in parallel slave port
mode.
CS
1 = Device is not selected
0 = Device is selected
Legend: ST = Schmitt Trigger input, TTL = TTL input
Note 1: Buffer is a Schmitt Trigger when in I/O mode, and a TTL buffer when in Parallel Slave Port (PSP) mode.
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
09h
PORTE
—
—
—
—
—
RE2
RE1
RE0
---- -xxx
---- -uuu
89h
TRISE
IBF
OBF
IBOV
PSPMODE
—
PORTE Data Direction Bits
0000 -111
0000 -111
Legend: x = unknown, u = unchanged, - = unimplemented locations read as '0'. Shaded cells not used by PORTE.



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