PIC18LF4331-I/ML Microchip Technology, PIC18LF4331-I/ML Datasheet - Page 124
![IC PIC MCU FLASH 4KX16 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18LF4331-I/ML
Manufacturer Part Number
PIC18LF4331-I/ML
Description
IC PIC MCU FLASH 4KX16 44QFN
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC18F2331-ISO.pdf
(392 pages)
4.PIC18F2331-ISO.pdf
(8 pages)
5.PIC18F2331-ISO.pdf
(6 pages)
6.PIC18F2331-ISO.pdf
(16 pages)
7.PIC18LF2331-ISO.pdf
(4 pages)
8.PIC18LF2331-ISO.pdf
(40 pages)
Specifications of PIC18LF4331-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC18F2331-ISO PDF datasheet #3
- PIC18F2331-ISO PDF datasheet #4
- PIC18F2331-ISO PDF datasheet #5
- PIC18F2331-ISO PDF datasheet #6
- PIC18LF2331-ISO PDF datasheet #7
- PIC18LF2331-ISO PDF datasheet #8
- Current page: 124 of 392
- Download datasheet (4Mb)
PIC18F2331/2431/4331/4431
11.5
PORTE is a 4-bit wide, bidirectional port. Three pins
(RE0/AN6, RE1/AN7 and RE2/AN8) are individually
configurable as inputs or outputs. These pins have
Schmitt Trigger input buffers. When selected as an
analog input, these pins will read as ‘0’s.
The corresponding Data Direction register is TRISE.
Setting a TRISE bit (= 1) will make the corresponding
PORTE pin an input (i.e., put the corresponding output
driver in a high-impedance mode). Clearing a TRISE bit
(= 0) will make the corresponding PORTE pin an output
(i.e., put the contents of the output latch on the selected
pin).
TRISE controls the direction of the RE pins, even when
they are being used as analog inputs. The user must
make sure to keep the pins configured as inputs when
using them as analog inputs.
The Data Latch register (LATE) is also memory
mapped. Read-modify-write operations on the LATE
register read and write the latched output value for
PORTE.
The fourth pin of PORTE (MCLR/V
only pin available for PIC18F4331/4431 devices. Its
operation is controlled by the MCLRE Configuration bit
REGISTER 11-1:
DS39616D-page 124
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-3
bit 2
bit 1
bit 0
Note:
Note:
U-0
—
PORTE, TRISE and LATE
Registers
On a Power-on Reset, RE<2:0> are
configured as analog inputs.
PORTE is only available on PIC18F4331/
4431 devices.
Unimplemented: Read as ‘0’
TRISE2: RE2 Direction Control bit
1 = Input
0 = Output
TRISE1: RE1 Direction Control bit
1 = Input
0 = Output
TRISE0: RE0 Direction Control bit
1 = Input
0 = Output
U-0
—
TRISE REGISTER
W = Writable bit
‘1’ = Bit is set
U-0
PP
—
/RE3) is an input
U-0
—
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
in Configuration Register 3H (CONFIG3H<7>). When
selected as a port pin (MCLRE = 0), it functions as a
digital input-only pin. As such, it does not have TRIS or
LAT bits associated with its operation. Otherwise, it
functions as the device’s master clear input. In either
configuration, RE3 also functions as the programming
voltage input during programming.
EXAMPLE 11-5:
11.5.1
For PIC18F2331/2431 devices, PORTE is not available.
It is only available for PIC18F4331/4431 devices.
U-0
CLRF
CLRF
MOVLW
MOVWF
BCF
MOVLW
MOVWF
—
Note:
PORTE
LATE
0x3F
ANSEL0
ANSEL1, 0
0x03
TRISE
On a Power-on Reset, RE3 is enabled as a
digital input only if Master Clear functionality
is disabled.
PORTE IN 28-PIN DEVICES
TRISE2
R/W-1
INITIALIZING PORTE
; Initialize PORTE by
; clearing output
; data latches
; Alternate method
; to clear output
; data latches
; Configure A/D
; for digital inputs
;
; Value used to
; initialize data
; direction
; Set RE<0> as input
; RE<1> as output
; RE<2> as input
2010 Microchip Technology Inc.
x = Bit is unknown
TRISE1
R/W-1
TRISE0
R/W-1
bit 0
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