16F84 datasheet, PDF - EEWORLD Datasheet

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16F84: Description8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PDSO18; Categorysemiconductor The embedded processor and controller; File Size37KB，4 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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16F84 Overview

8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PDSO18

16F84 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	18
Maximum operating temperature	85 Cel
Minimum operating temperature	-40 Cel
Maximum supply/operating voltage	6 V
Minimum supply/operating voltage	2 V
Rated supply voltage	5 V
External data bus width	0.0
Number of input and output buses	13
Line speed	4 MHz
Processing package description	0.300 INCH, PLASTIC, SO-18
Lead-free	Yes
EU RoHS regulations	Yes
China RoHS regulations	Yes
state	ACTIVE
Craftsmanship	CMOS
packaging shape	RECTANGULAR
Package Size	SMALL OUTLINE
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	1.27 mm
terminal coating	MATTE TIN
Terminal location	DUAL
Packaging Materials	PLASTIC/EPOXY
Temperature level	INDUSTRIAL
Address bus width	0.0
Number of digits	8
Maximum FCLK clock frequency	4 MHz
Microprocessor type	RISC MICROCONTROLLER
ROM programming	FLASH

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PIC16F83

PIC16F83 Rev. A Silicon Errata Sheet

The PIC16F83 (Rev. A) parts you have received conform

functionally to the Device Data Sheet (DS30430

except for the anomalies described below.

All the problems listed here will be addressed in future

revisions of the PIC16F83 silicon.

Module: CPU (STATUS bit)

The operation of the power-down (PD) bit in the STA-

TUS register may not function correctly for tempera-

tures below - 20 ˚C.

Work Around

None

Module: Data EEPROM

Do not perform a modify (set or clear a bit) of the

EECON1 register one instruction cycle after an

EEPROM read. This will corrupt the EEDATA regis-

ter.

Example:

BSF

BCF

EECON1, RD

EECON1, WREN

Module: Timer0

The TMR0 register may increment when the WDT

postscaler is switched to the Timer0 prescaler. If

TMR0 = FFh, this will cause TMR0 to overﬂow (set-

ting T0IF).

Work Around

Follow the following sequence:

Read the 8-bit TMR0 register into the W register

Clear the TMR0 register

Assign WDT postscaler to Timer0

Write W register to TMR0

Work Around

Use either of the following two code segment in place

of the above example.

BSF

NOP

BCF

EECON1, RD

EECON1, WREN

BCF

BSF

EECON1, WREN

EECON1, RD

Note:

As with any windowed EPROM device, please cover the window at all times, except when erasing.

1998 Microchip Technology Inc.

DS30430C/F83/E1A1-page 1

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