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Overview
- Program Memory Size (KB):64
- RAM:4096
- Data EEPROM (bytes):512
- Pin Count:20
- Operation Voltage Max.(V):5.5
- Operation Voltage Min.(V):1.8
- ADC Resolution Max:12
- ADC Channels:17
- Zero Cross Detect:True
- Number of Comparators:2
- SPI:2
- I2C:1
- Stand alone PWM:3
- Low Power:Yes
- Numerically Controlled Oscillator (NCO):1
- Data Signal Modulator (DSM):1
- Four Direct Memory Access (DMA) Controllers
- Three 16-bit dual PWMs provide six PWM outputs
- Vectored Interrupt (VI) Capability - Faster interrupt response time
- Selectable high/low priority
- Fixed interrupt latency of three instruction cycles
- Programmable vector table base address
- Backwards compatible with previous interrupt capabilities
- Memory Access Partition (MAP): The Program Flash Memory can be partitioned into:
- Application Block
- Boot Block
- Storage Area Flash (SAF) Block
- Device Information Area (DIA) Stores:
- Temperature Indicator factory calibrated data
- Fixed Voltage Reference measurement data
- Microchip Unique Identifier
- Low Power Mode Features:
- Sleep: < 1μA typical @ 3V
- Doze: CPU and Peripherals Running at Different Cycle Rates (typically CPU is lower)
- Idle: CPU Halted While Peripherals Operate
- Sleep: Lowest Power Consumption
- Peripheral Module Disable (PMD):
- Selectively disable hardware module to minimize active power consumption of unused peripherals
- Peripheral Pin Select (PPS):
- Enables pin mapping of digital I/O
- Analog-to-Digital Converter with Computation (ADCC):
- Automated math functions on input signals such as averaging, filter calculations, oversampling and threshold comparison
- Operates in Sleep
- Four internal analog channels
- Hardware Capacitive Voltage Divider (CVD) Support:
- Automates touch sampling and reduces software size and CPU usage
- Four external inputs
- Two 8-Bit Digital-to-Analog Converter (DAC):
- Buffered output available on two I/O pins
- Internal connections to ADC and Comparators
- Two Comparators (CMP):
- Four external inputs
- Configurable output polarity
- External output via Peripheral Pin Select
- Zero-Cross Detect (ZCD):
- Detect when AC signal on pin crosses ground
- Voltage Reference:
- Fixed Voltage Reference with 1.024V, 2.048V and 4.096V output levels
- Internal connections to ADC, Comparator and DAC
- Three UART - One UART supports LIN/DMX/DALI
- DMA compatible
- Asynchronous UART, RS-232, RS-485 compatible
- Programmable 1, 1.5, 2 stop bits
- Two SPI modules:
- Configurable length bytes
- Arbitrary length data packets
- Transmit-without-Receive and Receive-without-transmit option
- Transfer byte counter
- Separate transmit and receive buffers with 2-byte FIFO and DMA capabilities
- One I2C module, SMBus, PMBus™ Compatible:
- 7-bit and 10-bit addressing modes with address masking modes
- Dedicated address, transmit and receive buffers and DMA capabilities
- I2C, SMBus 2.0 and SMBus 3.0, and 1.8V input level selections
- Multi-Master mode, including self-addressing
- Programming/Debugging Features:
- In-Circuit Serial Programming™ (ICSP™) via Two Pins
- In-Circuit Debug (ICD) with Three Breakpoints via Two Pins
- Debug Integrated On-Chip
PIC18-Q40 is a compact, high performance PIC18 product family for real-time control and sensor applications . The products are equipped with an 12-bit ADC with Computation, 8-bit DACs, 16-bit PWMs, Direct Memory Access, Configurable Logic Cells and multiple communication interfaces. The PIC18-Q40 offers 14- and 20-pin products in small footprint packages to support customers in a wide range of space constrained applications.
PIC18-Q40 Product Family Overview
Functional Safety:
This product is recommended for safety critical applications targeting both industrial and automotive products (IEC 61508 and ISO 26262). Necessary documentation such as FMEDA report and Safety Manual can be provided on request. Certified development tools are also available for this product. Please contact your local Microchip sales office or your distributor for more information.
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Tools And Software
Development Environment
Emulator and Debuggers
Demo & Evaluation Boards
Programmers
Legacy
| Tools |
|---|
 MPLAB® X Integrated Development Environment (IDE) is an expandable, highly configurable software program that incorporates powerful tools to help you discover, configure, develop, debug and qualify embedded designs for most of Microchip’s microcontrollers, microprocessors and digital signal controllers.
|
| Available as free, unrestricted-use downloads, our award-winning MPLAB® XC C Compilers are comprehensive solutions for your project’s software development.
|
| MPLAB Code Configurator supports 8-bit, 16-bit and 32-bit PIC® microcontrollers. MCC is incorporated into both the downloadable MPLAB X Integrated Development Environment (IDE) and the cloud-based MPLAB Xpress IDE.
|
| MPLAB® Extensions for Microsoft® Visual Studio Code® (VS Code®) is a collection of VS Code extensions that combines the power of the MPLAB development ecosystem with the versatility of VS Code. Whether you are a new or existing client, MPLAB Extensions for VS Code provides you with a seamless, flexible and efficient development environment with comprehensive support for designs based on our devices.
|
| Tools |
|---|
| The MPLAB® ICD 4 In-Circuit Debugger/Programmer is Microchip’s fastest, cost-effective debugging and programming tool for PIC® Microcontrollers (MCUs), Microprocessors (MPUs) and dsPIC® Digital Signal Controllers (DSCs).
|
| The MPLAB® Snap In-Circuit Debugger/Programmer allows affordable, fast and easy debugging and programming of PIC®, dsPIC® and AVR flash MCUs and MPUs, using the powerful graphical user interface of MPLAB X Integrated Development Environment (IDE). The MPLAB Snap can be connected to a design engineer's computer using a High-Speed USB 2.0 interface and can be connected to the target via an 8-pin Single In-Line (SIL) connector. The connector uses two device I/O pins and the reset line to implement in-circuit debugging and In-Circuit Serial Programming™ (ICSP™). It has all the speed and features entry-level users need to quickly debug their prototype.
|
| The MPLAB® PICkit™ 4 In-Circuit Debugger/Programmer allows fast and easy debugging and programming of PIC®, dsPIC® , AVR, SAM and CEC flash microcontrollers and microprocessors.
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| The MPLAB ICE 4 in-circuit emulator system boosts productivity with feature-rich programming and debugging for PIC®, AVR® and SAM devices and dsPIC® Digital Signal Controllers (DSCs).
|
| The MPLAB® ICD 5 In-Circuit Debugger/Programmer offers advanced connectivity and power options for developers of designs based on PIC®, AVR® and SAM devices and dsPIC® Digital Signal Controllers (DSCs).
|
| Tools |
|---|
| The Microchip Curiosity Nano Base for Click boards™ evaluation kit is a hardware extension platform to ease the connection between Curiosity Nano kits and extension boards like the mikroBUS™ Click modules and Xplained Pro extension boards.
|
| The Curiosity Development Board is a cost-effective, fully integrated 8-bit development platform targeted at first-time users, makers and those seeking a feature-rich, rapid prototyping board. Designed from the ground-up to take full advantage of Microchip’s MPLAB® X integrated development environment, the Curiosity Development Board includes an integrated programmer/debugger, and requires no additional hardware to get started.
|
| Take your next idea to market with a development board that you can keep in your pocket. With full programming and debugging capabilities, the PIC18F16Q40 Curiosity Nano Evaluation Kit offers complete support for your next design.
With the award-winning MPLAB X integrated development platform and MPLAB Code Configurator (MCC), the kit provides access to the Intelligent analog and Core Independent Peripherals on the PIC18F16Q40. MCC is a free, graphical programming tool to configure the rich set of peripherals and functions specific for your application.
|
| Tools |
|---|
| The MPLAB® ICD 4 In-Circuit Debugger/Programmer is Microchip’s fastest, cost-effective debugging and programming tool for PIC® Microcontrollers (MCUs), Microprocessors (MPUs) and dsPIC® Digital Signal Controllers (DSCs).
|
| The MPLAB® PICkit™ 4 In-Circuit Debugger/Programmer allows fast and easy debugging and programming of PIC®, dsPIC® , AVR, SAM and CEC flash microcontrollers and microprocessors.
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| The Softlog SEC-DS Secure Programming Upgrade is a "Secure Programming" extension for the ICP2 and ICP2(HC) progra |
| The Softlog SEC4CH-DS Secure Programming Upgrade is a "Secure Programming" extension for the ICP2GANG programmer. |
| The ICP2(G3) Production Quality In-Circuit Programmer is a cost-effective programmer that operates with a PC or as a standalone unit. It programs 8-bit PIC® / AVR® MCUs and Serial EEPROMs & Flash ICs. |
| Tools |
|---|
| The MPLAB® ICD 4 In-Circuit Debugger/Programmer is Microchip’s fastest, cost-effective debugging and programming tool for PIC® Microcontrollers (MCUs), Microprocessors (MPUs) and dsPIC® Digital Signal Controllers (DSCs).
|
| The MPLAB® PICkit™ 4 In-Circuit Debugger/Programmer allows fast and easy debugging and programming of PIC®, dsPIC® , AVR, SAM and CEC flash microcontrollers and microprocessors.
|
["developmentenvironment","Development Environment"] ,
["emulators","Emulator and Debuggers"] ,
["demoevaluationboards","Demo & Evaluation Boards"] ,
["programmerrelations","Programmers"] ,
["thirdpartytools","3rd Party Tools"] ,
["legacy","Legacy"] ,
["softwarelibraries","Library and Firmware"]
referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files:
