PIC18F2431-E/SO Microchip Technology, PIC18F2431-E/SO Datasheet - Page 128
PIC18F2431-E/SO
Manufacturer Part Number
PIC18F2431-E/SO
Description
IC MCU FLASH 8KX16 28SOIC
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
(40 pages)
8.PIC18F4331-EP.pdf
(400 pages)
Specifications of PIC18F2431-E/SO
Core Size
8-Bit
Program Memory Size
16KB (8K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
Number Of I /o
24
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SOIC (7.5mm Width)
Controller Family/series
PIC18
No. Of I/o's
24
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
40MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB18F4431 - BOARD DAUGHTER ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS 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
- PIC18F4331-EP PDF datasheet #8
- Current page: 128 of 400
- Download datasheet (7Mb)
PIC18F2331/2431/4331/4431
10.4
PORTD is an 8-bit wide, bidirectional port. The
corresponding Data Direction register is TRISD.
Setting a TRISD bit (= 1) will make the corresponding
PORTD pin an input (i.e., put the corresponding output
driver in a high-impedance mode). Clearing a TRISD
bit (= 0) will make the corresponding PORTD pin an
output (i.e., put the contents of the output latch on the
selected pin).
The Data Latch register (LATD) is also memory
mapped. Read-modify-write operations on the LATD
register read and write the latched output value for
PORTD.
All pins on PORTD are implemented with Schmitt
Trigger input buffers. Each pin is individually
configurable as an input or output.
FIGURE 10-21:
DS39616C-page 126
Note:
Note:
PORTD, TRISD and LATD
Registers
PORTD is only available on PIC18F4331/
4431 devices.
On a Power-on Reset, these pins are
configured as digital inputs.
PORT/PWM Select
PWM6, 7 Data Out
Data Bus
WR LATD
or PORTD
WR TRISD
RD PORTD
BLOCK DIAGRAM OF RD7:RD6
D
D
TRIS Latch
Data Latch
RD TRISD
CK
CK
RD LATD
Q
Q
Q
Q
Preliminary
1
0
Q
PORTD includes PWM<7:6> complementary fourth
channel PWM outputs. PWM4 is the complementary
output of PWM5 (the third channel), which is multi-
plexed with the RB5 pin. This output can be used as the
alternate output using the PWM4MX Configuration bit
in CONFIG3H when the Low-Voltage Programming pin
(PGM) is used on RB5.
RD1, RD2 and RD3 can be used as the alternate out-
put for SDO, SDI/SDA and SCK/SCL using the SSPMX
Configuration bit in CONFIG3H.
RD4 an be used as the alternate output for FLTA using
the FLTAMX Configuration bit in CONFIG3H.
EXAMPLE 10-4:
CLRF
CLRF
MOVLW
MOVWF
EN
D
PORTD
LATD
0xCF
TRISD
V
N
P
V
DD
Schmitt
Trigger
SS
; Initialize PORTD by
; clearing output
; data latches
; Alternate method
; to clear output
; data latches
; Value used to
; initialize data
; direction
; Set RD<3:0> as inputs
; RD<5:4> as outputs
; RD<7:6> as inputs
INITIALIZING PORTD
© 2007 Microchip Technology Inc.
RD<7:6> Pin
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