LF1822 datasheet(1/40 Pages) MICROCHIP

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 2010 Microchip Technology Inc.

Advance Information

DS41390C-page 1

This document includes the

programming specifications for the

following devices:

1.0

OVERVIEW

The PIC16F/LF182X and PIC12F/LF1822 devices can

be programmed using either the high-voltage In-Circuit

Serial Programming™ (ICSP™) method or the low-

voltage ICSP™ method.

1.1

Hardware Requirements

1.1.1

HIGH-VOLTAGE ICSP

PROGRAMMING

In High-Voltage ICSP™ mode, these devices require

two programmable power supplies: one for VDD and

one for the MCLR/VPP pin.

1.1.2

LOW-VOLTAGE ICSP

PROGRAMMING

In Low-Voltage ICSP™ mode, these devices can be

programmed using a single VDD source in the

operating range. The MCLR/VPP pin does not have to

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

at the normal operating voltage.

1.1.2.1

Single-Supply ICSP Programming

The LVP bit in Configuration Word 2 enables single-

supply (low-voltage) ICSP programming. The LVP bit

defaults to a ‘1’ (enabled) from the factory. The LVP bit

may only be programmed to ‘0’ by entering the High-

Voltage ICSP mode, where the MCLR/VPP pin is raised

to VIHH. Once the LVP bit is programmed to a ‘0’, only

the High-Voltage ICSP mode is available and only the

High-Voltage ICSP mode can be used to program the

device.

• PIC12F1822

• PIC12LF1822

• PIC16F1823

• PIC16LF1823

• PIC16F1824

• PIC16LF1824

• PIC16F1825

• PIC16LF1825

• PIC16F1826

• PIC16LF1826

• PIC16F1827

• PIC16LF1827

• PIC16F1828

• PIC16LF1828

• PIC16F1829

• PIC16LF1829

Note 1: The High-Voltage ICSP mode is always

available, regardless of the state of the

LVP bit, by applying VIHH to the

MCLR/VPP pin.

2: While in Low-Voltage ICSP mode, MCLR

is always enabled, regardless of the

MCLRE bit, and the port pin can no longer

be used as a general purpose input.

PIC16F/LF182X/PIC12F/LF1822 Memory Programming Specification

PIC16F/LF182X/PIC12F/LF1822

Số phần tương tự - LF1822

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
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	LF18AB	1Mb / 49P	Very low drop voltage regulators with inhibit
	LF18AB5V	260Kb / 32P	VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
	LF18ABDT	649Kb / 34P	VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

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Mô tả tương tự - LF1822

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