PIC16F1933_11 Datasheet, PDF (131/430 Pages) Microchip Technology – 28-Pin Flash-Based, 8-Bit CMOS Microcontrollers LCD Driver and nanoWatt XLP Technology

12.5 PORTE Registers
RE3 is input only, and also functions as MCLR. The
MCLR feature can be disabled via a configuration fuse.
RE3 also supplies the programming voltage. The TRIS bit
for RE3 (TRISE3) always reads ‘1’.
PIC16(L)F1933
12.5.1
PORTE FUNCTIONS AND OUTPUT
PRIORITIES
No output priorities, RE3 is an input only pin.
REGISTER 12-14: PORTE: PORTE REGISTER
U-0
—
bit 7
U-0
U-0
U-0
R-x/u
U-0
—
—
—
RE3
—
U-0
U-0
—
—
bit 0
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
bit 7-4
bit 3
bit 2-0
Unimplemented: Read as ‘0’
RE3: PORTE Input Pin bit
1 = Port pin is > VIH
0 = Port pin is < VIL
Unimplemented: Read as ‘0’
REGISTER 12-15: TRISE: PORTE TRI-STATE REGISTER
U-0
—
bit 7
U-0
U-0
U-0
U-1⁽¹⁾
U-0
—
—
—
—
—
U-0
U-0
—
—
bit 0
Legend:
R = Readable bit
u = bit is unchanged
‘1’ = Bit is set
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
bit 7-4
bit 3
bit 2-0
Unimplemented: Read as ‘0’
Unimplemented: Read as ‘1’
Unimplemented: Read as ‘0’
Note 1: Unimplemented, read as ‘1’.
 2011 Microchip Technology Inc.
Preliminary
DS41575A-page 131