PIC18F2450-I/ML Microchip Technology Inc., PIC18F2450-I/ML Datasheet - Page 109
PIC18F2450-I/ML
Manufacturer Part Number
PIC18F2450-I/ML
Description
Microcontroller; 16 KB Flash; 768 RAM; 0 EEPROM; 23 I/O; 28-Pin-QFN
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F2450-IML.pdf
(320 pages)
Specifications of PIC18F2450-I/ML
A/d Inputs
10-Channel, 10-Bit
Cpu Speed
12 MIPS
Eeprom Memory
0 Bytes
Input Output
23
Interface
EUSART/USB
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin QFN
Programmable Memory
16K Bytes
Ram Size
768 Bytes
Speed
48 MHz
Timers
1-8-bit, 2-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F2450-I/ML
Manufacturer:
TOSHIBA
Quantity:
2 000
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9.4
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.
© 2006 Microchip Technology Inc.
Note:
Note:
PORTD, TRISD and LATD
Registers
PORTD is only available on 40/44-pin
devices.
On a Power-on Reset, these pins are
configured as digital inputs.
Advance Information
EXAMPLE 9-4:
CLRF
CLRF
MOVLW
MOVWF
PIC18F2450/4450
PORTD
LATD
0CFh
TRISD
; 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
DS39760A-page 107
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