PIC16F819-I/SOTSL Microchip Technology, PIC16F819-I/SOTSL Datasheet - Page 110
![IC PIC MCU FLASH 2KX14 18SOIC](/photos/6/76/67656/150-18-soic_sml.jpg)
PIC16F819-I/SOTSL
Manufacturer Part Number
PIC16F819-I/SOTSL
Description
IC PIC MCU FLASH 2KX14 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F818-ISO.pdf
(176 pages)
4.PIC16F818-ISO.pdf
(6 pages)
5.PIC16F818-ISO.pdf
(8 pages)
6.PIC16F818-ISO.pdf
(8 pages)
Specifications of PIC16F819-I/SOTSL
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
18-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F818-ISO PDF datasheet #4
- PIC16F818-ISO PDF datasheet #5
- PIC16F818-ISO PDF datasheet #6
- Current page: 110 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
6.5
DS31006A-page 6-16
Design Tips
Question 1:
Answer 1:
When a device with more then 2K words of program memory is used, the calling of subroutines
may require that the PCLATH register be loaded prior to the CALL (or GOTO) instruction to specify
the correct program memory page that the routine is located on. The following instructions will
correctly load PCLATH register, regardless of the program memory location of the label SUB_1.
SUB_1
Question 2:
Answer 2:
Example 6-4
of the code may be removed.
MOVLW
MOVWF
CALL
:
:
:
:
RETURN
shows this. If the device you are using does not use all 4 data memory banks, some
Program execution seems to get lost.
I need to initialize RAM to ’0’s. What is an easy way to do that?
HIGH (SUB_1)
PCLATH
SUB_1
; Select Program Memory Page of
;
; Call the desired routine
; Start of routine
; Return from routine
Routine.
1997 Microchip Technology Inc.
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