PIC16CR58A Microchip Technology, PIC16CR58A Datasheet - Page 59

• Manufacturer Part Number: PIC16CR58A
• Description: ROM-Based 8-Bit CMOS Microcontroller Series
• Manufacturer: Microchip Technology

TABLE 5-11:
TABLE 5-12:
Name
RE0/RD
RE1/WR
RE2/CS
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
09h
89h
Legend: x = unknown, u = unchanged, - = unimplemented locations read as '0'. Shaded cells not used by PORTE.
1997 Microchip Technology Inc.
Name
PORTE
TRISE
PORTE FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTE
Bit 7
IBF
Bit#
bit0
bit1
bit2
—
Bit 6
OBF
—
Buffer Type
ST/TTL
ST/TTL
ST/TTL
IBOV
Bit 5
—
(1)
(1)
(1)
PSPMODE
Input/output port pin or Read control input in parallel slave port mode.
Input/output port pin or Write control input in parallel slave port mode.
Input/output port pin or Chip select control input in parallel slave port
mode.
Bit 4
Function
—
WR
1 = Not a write operation
CS
1 = Device is not selected
0 = Device is selected
RD
1 = Not a read operation
0 = Read operation. The system reads the PORTD register (if
0 = Write operation. The system writes to the PORTD register (if
Bit 3
—
—
chip selected)
chip selected)
PORTE Data Direction Bits
Bit 2
RE2
Bit 1
RE1
Bit 0
RE0
---- -xxx
0000 -111
PIC16C6X
Value on:
POR,
BOR
DS30234D-page 59
other resets
Value on all
---- -uuu
0000 -111