PIC18LF2682-I/SO Microchip Technology, PIC18LF2682-I/SO Datasheet - Page 143
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PIC18LF2682-I/SO
Manufacturer Part Number
PIC18LF2682-I/SO
Description
80KB Flash, 3KB RAM, ECAN, 1024 EEPROM 28 SOIC .300in TUBE
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PCM18XT0.pdf
(484 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F2682-ISP.pdf
(6 pages)
4.PIC18F2682-ISP.pdf
(4 pages)
Specifications of PIC18LF2682-I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
80KB (40K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3.25 KB
Interface Type
EUSART, I2C, MSSP, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
28
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF2682-I/SO
Manufacturer:
Microchip Technology
Quantity:
135
- PCM18XT0 PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2682-ISP PDF datasheet #3
- PIC18F2682-ISP PDF datasheet #4
- Current page: 143 of 484
- Download datasheet (9Mb)
10.5
Depending on the particular PIC18F2682/2685/4682/
4685 device selected, PORTE is implemented in two
different ways.
For PIC18F4682/4685 devices, PORTE is a 4-bit wide
port. Three pins (RE0/RD/AN5, RE1/WR/AN6/C1OUT
and RE2/CS/AN7/C2OUT) are individually config-
urable 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 upper four bits of the TRISE register also control
the operation of the Parallel Slave Port. Their operation
is explained in Register 10-1.
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.
© 2009 Microchip Technology Inc.
Note:
PORTE, TRISE and LATE
Registers
On a Power-on Reset, RE2:RE0 are
configured as analog inputs.
PIC18F2682/2685/4682/4685
The fourth pin of PORTE (MCLR/V
only pin. Its operation is controlled by the MCLRE
Configuration bit. 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 10-5:
10.5.1
For PIC18F2682/2685 devices, PORTE is only
available when Master Clear functionality is disabled
(MCLRE = 0). In these cases, PORTE is a single bit,
input only port comprised of RE3 only. The pin operates
as previously described.
CLRF
CLRF
MOVLW
MOVWF
MOVLW
MOVLW
MOVWF
MOVWF
Note:
PORTE
LATE
0Ah
ADCON1
03h
07h
CMCON
TRISC
On a Power-on Reset, RE3 is enabled as
a digital input only if Master Clear
functionality is disabled.
PORTE IN 28-PIN DEVICES
; 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
; Turn off
; comparators
; Set RE<0> as inputs
; RE<1> as outputs
; RE<2> as inputs
INITIALIZING PORTE
PP
DS39761C-page 143
/RE3) is an input
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