PIC16F819-I/SOTSL Microchip Technology, PIC16F819-I/SOTSL Datasheet - Page 101
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: 101 of 688
- Download datasheet (3Mb)
6.2.6
1997 Microchip Technology Inc.
Program Memory Paging
Some devices have program memory sizes greater then 2K words, but the CALL and GOTO
instructions only have a 11-bit address range. This 11-bit address range allows a branch within
a 2K program memory page size. To allow CALL and GOTO instructions to address the entire 1K
program memory address range, there must be another two bits to specify the program memory
page. These paging bits come from the PCLATH<4:3> bits
GOTO instruction, the user must ensure that page bits (PCLATH<4:3>) are programmed so that
the desired program memory page is addressed
tions is executed, the entire 13-bit PC is POPed from the stack. Therefore, manipulation of the
PCLATH<4:3> is not required for the return instructions.
Example 6-1
assumes that PCLATH is saved and restored by the interrupt service routine (if interrupts are
used).
Example 6-1: Call of a Subroutine in Page1 from Page0
SUB1_P1:
Note:
ORG 0x500
BSF
CALL
ORG 0x900
RETURN
:
:
:
Section 6. Memory Organization
Devices with program memory sizes 2K words and less, ignore both paging bits
(PCLATH<4:3>), which are used to access program memory when more than one
page is available. The use of PCLATH<4:3> as general purpose read/write bits (for
these devices) is not recommended since this may affect upward compatibility with
future products.
Devices with program memory sizes between 2K words and 4K words, ignore the
paging bit (PCLATH<4>), which is used to access program memory pages 2 and 3
(1000h - 1FFFh). The use of PCLATH<4> as a general purpose read/write bit (for
these devices) is not recommended since this may affect upward compatibility with
future products.
shows the calling of a subroutine in page 1 of the program memory. This example
PCLATH,3
SUB1_P1
; Select Page1 (800h-FFFh)
; Call subroutine in Page1 (800h-FFFh)
;
;
;
; called subroutine Page1 (800h-FFFh)
;
; return to Call subroutine in Page0 (000h-7FFh)
;
(Figure
6-2). When one of the return instruc-
(Figure
6-2). When doing a CALL or
DS31006A-page 6-7
6
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