PIC16C774 Microchip Technology Inc., PIC16C774 Datasheet - Page 36

• Manufacturer Part Number: PIC16C774
• Description: 28/40-pin, 8-bit Cmos Microcontrollers W/ 12-bit A/d
• Manufacturer: Microchip Technology Inc.

PIC16C77X
TABLE 3-9
TABLE 3-10
DS30275A-page 36
Name
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
Legend: ST = Schmitt Trigger input TTL = TTL input
Note 1: Input buffers are Schmitt Triggers when in I/O mode and TTL buffers when in Parallel Slave Port Mode.
Addr Name
09h
89h
9Fh
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by PORTE.
PORTE
TRISE
ADCON1
PORTE FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTE
ADFM VCFG2 VCFG1
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
Advance Information
VCFG0
Input/output port pin or read control input in parallel slave port mode or
analog input:
Input/output port pin or write control input in parallel slave port mode or
analog input:
Input/output port pin or chip select control input in parallel slave port
mode or analog input:
Bit 4
—
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. Reads PORTD register (if chip selected)
0 = Write operation. Writes PORTD register (if chip selected)
PCFG3
Bit 3
—
—
PORTE Data Direction Bits
PCFG2
Bit 2
RE2
PCFG1
Bit 1
RE1
Function
PCFG0
Bit 0
RE0
1999 Microchip Technology Inc.
---- -xxx
0000 -111
0000 0000
Value on:
POR,
BOR
other resets
Value on all
---- -uuu
0000 -111
0000 0000