PIC16LF1824-I/ML Microchip Technology, PIC16LF1824-I/ML Datasheet - Page 30
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PIC16LF1824-I/ML
Manufacturer Part Number
PIC16LF1824-I/ML
Description
IC PIC MCU 8BIT 14KB FLSH 16QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Specifications of PIC16LF1824-I/ML
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Core Processor
PIC
Speed
32MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
11
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-VQFN Exposed Pad
Controller Family/series
PIC16LF
No. Of I/o's
12
Eeprom Memory Size
256Byte
Ram Memory Size
256Byte
Cpu Speed
32MHz
No. Of Timers
5
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
PIC16F/LF182X/PIC12F/LF1822
7.4
The checksum is calculated by two different methods
dependent on the setting of the CP Configuration bit.
TABLE 7-1:
EXAMPLE 7-1:
EXAMPLE 7-2:
DS41390C-page 30
PIC16F1826
PIC16F1827
PIC16LF1826
PIC16LF1827
PIC12F1822
PIC12LF1822
PIC16F1823
PIC16LF1823
PIC16F1824
PIC16LF1824
PIC16F1825
PIC16LF1825
PIC16F1828
PIC16LF1828
PIC16F1829
PIC16LF1829
PIC16F1827
PIC16LF1827 Sum of Memory addresses 0000h-0FFFh
Device
Checksum Computation
CONFIGURATION WORD
MASK VALUES
Configuration Word 2 mask
Checksum = 7156h + (3FFFh and 3FFFh) + (3FFFh and 3703h)
Sum of Memory addresses 0000h-0FFFh
Configuration Word 1
Configuration Word 1 mask
Configuration Word 2
Configuration Word 2 mask
Checksum
Configuration Word 1
Configuration Word 1 mask
Configuration Word 2
Config. Word 1
CHECKSUM COMPUTED WITH PROGRAM CODE PROTECTION DISABLED
PIC16F1827, BLANK DEVICE
CHECKSUM COMPUTED WITH PROGRAM CODE PROTECTION DISABLED
PIC16LF1827, 00AAh AT FIRST AND LAST ADDRESS
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
3FFFh
Mask
Config. Word 2
= F000h + (3FFFh and 3FFFh) + (3FFFh and 3713h)
= F000h + 3FFFh + 3713h
= 6712h
= 7156h + 3FFFh + 3703h
= E858h
3713h
3713h
3703h
3703h
3713h
3713h
3713h
3713h
3713h
3713h
3713h
3713h
3713h
3713h
3713h
3713h
Mask
Advance Information
7.4.1
With the program code protection disabled, the
checksum is computed by reading the contents of the
PIC16F/LF182X and PIC12F/LF1822 program memory
locations and adding up the program memory data
starting at address 0000h, up to the maximum user
addressable location. Any Carry bit exceeding 16 bits
are ignored. Additionally, the relevant bits of the
Configuration Words are added to the checksum. All
unimplemented Configuration bits are masked to ‘0’.
Note:
F000h
3FFFh
3FFFh
3FFFh
3713h
7156h
3FFFh
3FFFh
3FFFh
3703h
PROGRAM CODE PROTECTION
DISABLED
Data
checksum.
memory
2010 Microchip Technology Inc.
does
not
effect
the