PIC18F44J10-ESLASHML datasheet(343/358 Pages) MICROCHIP

343 / 358 page

Preliminary

DS39682C-page 341

PIC18F45J10 FAMILY

APPENDIX A:

REVISION HISTORY

Revision A (March 2005)

Original data sheet for PIC18F45J10 family devices.

Revision C (January 2007)

This revision includes updates to the packaging

diagrams.

APPENDIX B:

MIGRATION

BETWEEN HIGH-END

DEVICE FAMILIES

Devices in the PIC18F45J10 family and PIC18F4520

families are very similar in their functions and feature

sets. However, there are some potentially important

differences

which

should

considered

when

migrating an application across device families to

achieve a new design goal. These are summarized in

Table B-1. The areas of difference which could be a

major impact on migration are discussed in greater

detail later in this section.

TABLE B-1:

NOTABLE DIFFERENCES BETWEEN PIC18F4520 AND PIC18FXXXX FAMILIES

Characteristic

PIC18FXXXX Family

PIC18F4520 Family

Operating Frequency

40 MHz @ 2.15V

40 MHz @ 4.2V

Supply Voltage

2.0V-3.6V

2.0V-5.5V

Operating Current

Low

Lower

Program Memory Endurance

1,000 write/erase cycles (typical)

100,000 write/erase cycles (typical)

I/O Sink/Source at 25 mA

PORTB and PORTC only

All ports

Input Voltage Tolerance on I/O pins

5.5V on digital only pins

VDD on all I/O pins

I/O

Pull-ups

PORTB

Oscillator Options

Limited options

(EC, HS, fixed 32 kHz INTRC)

More options (EC, HS, XT, LP, RC,

PLL, flexible INTRC)

Program Memory Retention

10 years (minimum)

40 years (minimum)

Programming Time (Normalized)

156

μs/byte (10 ms/64-byte block)

15.6

μs/byte (1 ms/64-byte block)

Programming Entry

Low Voltage, Key Sequence

VPP and LVP

Code Protection

Single block, all or nothing

Multiple code protection blocks

Configuration Words

Stored in last 4 words of

Program Memory space

Stored in Configuration Space,

starting at 300000h

Start-up Time from Sleep

200

μs (typical)

Power-up Timer

Always on

Configurable

Data EEPROM

Not available

Available

BOR

Simple BOR(1)

Programmable BOR

LVD

Not available

Available

A/D Calibration

Required

Not required

In-Circuit Emulation

Not available

Available

TMR3

Not available

Available

Second MSSP

Available(2)

Not available

Note 1:

BOR is not available on PIC18LFXXJ10 devices.

Available on 40/44-pin devices only.

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