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  Microchip Technology Semiconductor Electronic Components Datasheet  

PIC18F44K20 Datasheet

28/40/44-Pin Flash Microcontroller

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PIC18F2XK20/4XK20
28/40/44-Pin Flash Microcontrollers
with XLP Technology
High-Performance RISC CPU
• C Compiler Optimized Architecture:
- Optional extended instruction set designed to
optimize re-entrant code
• Up to 1024 bytes Data EEPROM
• Up to 64 Kbytes Linear Program Memory
Addressing
• Up to 3936 bytes Linear Data Memory Addressing
• Up to 16 MIPS Operation
• 16-bit Wide Instructions, 8-bit Wide Data Path
• Priority Levels for Interrupts
• 31-Level, Software Accessible Hardware Stack
• 8 x 8 Single-Cycle Hardware Multiplier
Flexible Oscillator Structure
• Precision 16 MHz Internal Oscillator Block:
- Factory calibrated to ± 1%
- Software selectable frequencies range of
31 kHz to 16 MHz
- 64 MHz performance available using PLL –
no external components required
• Four Crystal Modes up to 64 MHz
• Two External Clock Modes up to 64 MHz
• 4X Phase Lock Loop (PLL)
• Secondary Oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor:
- Allows for safe shutdown, if peripheral clock
stops
- Two-Speed Oscillator Start-up
Special Microcontroller Features
• Operating Voltage Range: 1.8V to 3.6V
• Self-Programmable under Software Control
• Programmable 16-Level High/Low-Voltage
Detection (HLVD) module:
- Interrupt on High/Low-Voltage Detection
• Programmable Brown-out Reset (BOR):
- With software enable option
• Extended Watchdog Timer (WDT):
- Programmable period from 4 ms to 131s
• Single-Supply 3V In-Circuit Serial
Programming™ (ICSP™) via Two Pins
• In-Circuit Debug (ICD) via Two Pins
Extreme Low-Power Management
with XLP
• Sleep Mode: < 100 nA @ 1.8V
• Watchdog Timer: < 800 nA @ 1.8V
• Timer1 Oscillator: < 800 nA @ 32 kHz and 1.8V
Analog Features
• Analog-to-Digital Converter (ADC) Module:
- 10-bit resolution, 13 External Channels
- Auto-acquisition capability
- Conversion available during Sleep
- 1.2V Fixed Voltage Reference (FVR) channel
- Independent input multiplexing
• Analog Comparator Module:
- Two rail-to-rail analog comparators
- Independent input multiplexing
• Voltage Reference (CVREF) Module
- Programmable (% VDD), 16 steps
- Two 16-level voltage ranges using VREF pins
Peripheral Highlights
• Up to 35 I/O Pins plus 1 Input-only Pin:
- High-Current Sink/Source 25 mA/25 mA
- Three programmable external interrupts
- Four programmable interrupt-on-change
- Eight programmable weak pull-ups
- Programmable slew rate
• Capture/Compare/PWM (CCP) Module
• Enhanced CCP (ECCP) module:
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
• Master Synchronous Serial Port (MSSP) Module
- 3-wire SPI (supports all four modes)
- I2C™ Master and Slave modes with address
mask
• Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART) Module:
- Supports RS-485, RS-232 and LIN
- RS-232 operation using internal oscillator
- Auto-Wake-up on Break
- Auto-Baud Detect
2010-2015 Microchip Technology Inc.
DS40001303H-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

PIC18F44K20 Datasheet

28/40/44-Pin Flash Microcontroller

No Preview Available !

PIC18F2XK20/4XK20
-
PIC18F2XK20/4XK20 Family Types
Device
Program Memory
Data Memory
Flash # Single-Word SRAM EEPROM I/O(1)
(bytes) Instructions (bytes) (bytes)
10-bit
A/D
(ch)(2)
CCP/
ECCP
(PWM)
MSSP
SPI
Master
I2C™
Comp.
Timers
8/16-bit
PIC18F23K20 8K
4096
512
256
25
11
1/1
Y
Y
1
2
1/3
PIC18F24K20 16K
8192
768
256
25
11
1/1
Y
Y
1
2
1/3
PIC18F25K20 32K
16384
1536
256
25
11
1/1
Y
Y
1
2
1/3
PIC18F26K20 64k
32768
3936 1024 25
11
1/1
Y
Y
1
2
1/3
PIC18F43K20 8K
4096
512
256
36
14
1/1
Y
Y
1
2
1/3
PIC18F44K20 16K
8192
768
256
36
14
1/1
Y
Y
1
2
1/3
PIC18F45K20 32K
16384
1536
256
36
14
1/1
Y
Y
1
2
1/3
PIC18F46K20 64k
32768
3936 1024 36
14
1/1
Y
Y
1
2
1/3
Note 1: One pin is input-only.
2: Channel count includes internal Fixed Voltage Reference channel.
Note: For other small form-factor package availability and marking information, please visit
http://www.microchip.com/packaging or contact your local sales office.
DS40001303H-page 2
2010-2015 Microchip Technology Inc.


Part Number PIC18F44K20
Description 28/40/44-Pin Flash Microcontroller
Maker Microchip Technology
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PIC18F44K20 Datasheet PDF






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