PIC18LFXX20T-E/PT datasheet, PDF

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PIC18LFXX20T-E/PT: Description8-BIT, FLASH, 25 MHz, RISC MICROCONTROLLER, PQFP80; Categorysemiconductor The embedded processor and controller; ManufacturerMicrochip; Websitehttps://www.microchip.com

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PIC18LFXX20T-E/PT Overview

8-BIT, FLASH, 25 MHz, RISC MICROCONTROLLER, PQFP80

PIC18LFXX20T-E/PT Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	80
Maximum operating temperature	85 Cel
Minimum operating temperature	-40 Cel
Maximum supply/operating voltage	5.5 V
Minimum supply/operating voltage	4.2 V
Rated supply voltage	5 V
External data bus width	16
Number of input and output buses	68
Line speed	25 MHz
Processing package description	12 X 12 MM, 1 MM HEIGHT, LEAD FREE, PLASTIC, MS-026, TQFP-80
Lead-free	Yes
EU RoHS regulations	Yes
China RoHS regulations	Yes
state	ACTIVE
Craftsmanship	CMOS
packaging shape	SQUARE
Package Size	FLATPACK, THIN PROFILE, FINE PITCH
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	0.5000 mm
terminal coating	MATTE TIN
Terminal location	QUAD
Packaging Materials	PLASTIC/EPOXY
Temperature level	INDUSTRIAL
ADC channel	Yes
Address bus width	20
Number of digits	8
Maximum FCLK clock frequency	25 MHz
Microprocessor type	RISC MICROCONTROLLER
PWM channel	Yes
ROM programming	FLASH

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PIC18FXX20

Flash Microcontroller Programming Specification

1.0

DEVICE OVERVIEW

2.1

Hardware Requirements

This

document

includes

the

programming

specifications for the following devices:

•

PIC18F6520

PIC18F6620

PIC18F6720

PIC18F8520

PIC18F8620

PIC18F8720

In high voltage ICSP mode, the PIC18FXX20 requires

two programmable power supplies: one for V

and

one for MCLR/V

. Both supplies should have a

minimum resolution of 0.25V. Refer to Section 6.0 for

additional hardware parameters.

2.1.1

LOW VOLTAGE ICSP

PROGRAMMING

2.0

PROGRAMMING OVERVIEW

OF THE PIC18FXX20

PIC18FXX20 devices can be programmed using either

the high voltage In-Circuit Serial Programming

(ICSP

) method, or the low voltage ICSP method.

Both of these can be done with the device in the users’

system. The low voltage ICSP method is slightly

different than the high voltage method, and these

differences are noted where applicable. This

programming specification applies to PIC18FXX20

devices in all package types.

In low voltage ICSP mode, the PIC18FXX20 can be

programmed using a V

source in the operating

range. This only means that MCLR/V

does not have

to be brought to a different voltage, but can instead be

left at the normal operating voltage. Refer to

Section 6.0 for additional hardware parameters.

2.2

Pin Diagrams

The pin diagrams for the PIC18FXX20 family are

shown in Figure 2-1. The pin descriptions of these

diagrams do not represent the complete functionality of

the device types. Users should refer to the appropriate

device data sheet for complete pin descriptions.

TABLE 2-1:

Pin Name

PIN DESCRIPTIONS (DURING PROGRAMMING): PIC18FXX20

During Programming

Pin Name

Pin Type

I/O

Programming Enable

Power Supply

Ground

Analog Power Supply

Analog Ground

Low Voltage ICSP™ Input when LVP Configuration bit equals ‘1’

(1)

Serial Clock

Serial Data

Pin Description

MCLR/V

/RA5

(2)

RB5

RB6

RB7

PGM

SCLK

SDATA

Legend: I = Input, O = Output, P = Power

Note 1:

See Section 5.3 for more detail.

All power supply and ground must be connected.



2010 Microchip Technology Inc.

DS39583C-page 1

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