PIC18F2455-I/SO Microchip Technology, PIC18F2455-I/SO Datasheet

IC PIC MCU FLASH 12KX16 28SOIC

PIC18F2455-I/SO

Manufacturer Part Number
PIC18F2455-I/SO
Description
IC PIC MCU FLASH 12KX16 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr

Specifications of PIC18F2455-I/SO

Program Memory Type
FLASH
Program Memory Size
24KB (12K x 16)
Package / Case
28-SOIC (7.5mm Width)
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Eeprom Size
256 x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI/I2C/EAUSART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
24
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 V
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, ICE2000, ICE4000, DM163014, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit
Package
28SOIC W
Device Core
PIC
Family Name
PIC18
Maximum Speed
48 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MILI3-DB18F4550 - BOARD DAUGHTER ICEPIC3DM163025 - PIC DEM FULL SPEED USB DEMO BRD
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

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Quantity
Price
Part Number:
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Manufacturer:
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0
Clarifications/Corrections to the Data
Sheet:
In the Device Data Sheet (DS39632C), the following
clarifications and corrections should be noted. Any
silicon issues for the PIC18F2455/2550/4455/4550 will
be reported in a separate silicon errata. Please check
the Microchip web site for any existing issues.
EXAMPLE 12-1:
© 2006 Microchip Technology Inc.
RTCinit
RTCisr
PIC18F2455/2550/4455/4550 Data Sheet Errata
MOVLW
MOVWF
CLRF
MOVLW
MOVWF
CLRF
CLRF
MOVLW
MOVWF
BSF
RETURN
BTFSC
BRA
BTFSS
BRA
BSF
BCF
INCF
MOVLW
CPFSGT secs
RETURN
CLRF
INCF
MOVLW
CPFSGT mins
RETURN
CLRF
INCF
MOVLW
CPFSGT hours
RETURN
CLRF
RETURN
IMPLEMENTING A REAL-TIME CLOCK USING A TIMER1 INTERRUPT SERVICE
80h
TMR1H
TMR1L
b’00001111’
T1CON
secs
mins
.12
hours
PIE1, TMR1IE
TMR1L,0
$-2
TMR1L,0
$-2
TMR1H, 7
PIR1, TMR1IF
secs, F
.59
secs
mins, F
.59
mins
hours, F
.23
hours
PIC18F2455/2550/4455/4550
; Preload TMR1 register pair
; for 1 second overflow
; Configure for external clock,
; Asynchronous operation, external oscillator
; Initialize timekeeping registers
;
; Enable Timer1 interrupt
; Insert the next 4 lines of code when TMR1
; can not be reliably updated before clock pulse goes low
; wait for TMR1L to become clear
; (may already be clear)
; wait for TMR1L to become set
; TMR1 has just incremented
; If TMR1 update can be completed before clock pulse goes low
; Start ISR here
; Preload for 1 sec overflow
; Clear interrupt flag
; Increment seconds
; 60 seconds elapsed?
; No, done
; Clear seconds
; Increment minutes
; 60 minutes elapsed?
; No, done
; clear minutes
; Increment hours
; 24 hours elapsed?
; No, done
; Reset hours
; Done
1. Module: Timer1 Module
The Real-Time Clock application example, cited in
Section 12.6 “Using Timer1 as a Real-Time
Clock,” has changed.
“Example 12-1: Implementing a Real-Time
Clock Using a Timer1 Interrupt Service” is
corrected to the following example.
DS80278A-page 1

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PIC18F2455-I/SO Summary of contents

Page 1

... Clarifications/Corrections to the Data Sheet: In the Device Data Sheet (DS39632C), the following clarifications and corrections should be noted. Any silicon issues for the PIC18F2455/2550/4455/4550 will be reported in a separate silicon errata. Please check the Microchip web site for any existing issues. EXAMPLE 12-1: IMPLEMENTING A REAL-TIME CLOCK USING A TIMER1 INTERRUPT SERVICE ...

Page 2

... PIC18F2455/2550/4455/4550 2. Module: Timer1 Module The following text, Section 12.7 “Considerations in Asynchronous Counter Mode”, is new. It defines the proper method to update the TMR1 registers in Asynchronous mode. Section 12.7 is located after Section 12.6 “Using Timer1 as a Real-Time Clock” in the data sheet. 12.7 ...

Page 3

... RC3 and RC4. The following relevant portion of the table indicates the corrections. (For clarity, the corrected items appear in bold text – all other text appears in plain text for purposes of this errata.) 28.3 DC Characteristics: PIC18F2455/2550/4455/4550 (Industrial) PIC18LF2455/2550/4455/4550 (Industrial) (Partial Presentation) DC CHARACTERISTICS Param Symbol Characteristic No ...

Page 4

... PIC18F2455/2550/4455/4550 9. Module: Electrical Characteristics In “Table 28-5: USB Internal Voltage Regulator Specifications,” parameter D323 (Regulator Voltage Output) is qualified with the condition of a ≥ 4.0V in the Comments minimum device V DD column. The following relevant portion of Table 28-1 indi- cates the correction. (For clarity, the corrected item appears in bold text – ...

Page 5

... REVISION HISTORY Rev A Document (7/2006) Original version of this document. Includes issues 1-2 (Timer1), 3 (USB), 4 (MSSP), 5 (A/D Converter), 6 (Special Features of the CPU) and 7-9 (Electrical Characteristics). © 2006 Microchip Technology Inc. PIC18F2455/2550/4455/4550 DS80278A-page 5 ...

Page 6

... PIC18F2455/2550/4455/4550 NOTES: DS80278A-page 6 © 2006 Microchip Technology Inc. ...

Page 7

... Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...

Page 8

... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2006 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-3910 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...

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