Datasheet

PIC16F72X/PIC16LF72X
DS41341E-page 86 © 2009 Microchip Technology Inc.
TABLE 6-5: SUMMARY OF REGISTERS ASSOCIATED WITH PORTE
REGISTER 6-17: ANSELE: PORTE ANALOG SELECT REGISTER
U-0 U-0 U-0 U-0 U-0 R/W-1 R/W-1 R/W-1
— — — — —
ANSE2
(2)
ANSE1
(2)
ANSE0
(2)
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 7-3 Unimplemented: Read as ‘0’
bit 2-0 ANSE<2:0>: Analog Select between Analog or Digital Function on Pins RE<2:0>, respectively
0 = Digital I/O. Pin is assigned to port or Digital special function.
1 = Analog input. Pin is assigned as analog input
(1)
. Digital Input buffer disabled.
Note 1: When setting a pin to an analog input, the corresponding TRIS bit must be set to Input mode in order to
allow external control of the voltage on the pin.
2: ANSELE register is not implemented on the PIC16F722/723/726/PIC16LF722/723/726. Read as ‘0’
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
ADCON0
— — CHS3 CHS2 CHS1 CHS0 GO/DONE ADON --00 0000 --00 0000
ANSELE
— — — — — ANSE2 ANSE1 ANSE0 ---- -111 ---- -111
PORTE
— — — — RE3 RE2 RE1 RE0 ---- xxxx ---- xxxx
TRISE
— — — —TRISE3
(2)
TRISE2
(1)
TRISE1
(1)
TRISE0
(1)
---- 1111 ---- 1111
Legend: x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by PORTE
Note 1: These registers are not implemented on the PIC16F722/723/726/PIC16LF722/723/726 devices, read as ‘0’.
2: This bit is always ‘1’ as RE3 is input only.