Microchip's PIC18-Q41 Product Family Overview
Cost Effective, Compact, Powerful MCUs with Advanced Analog
PIC18-Q41 is a compact, high performance PIC18 product family with advanced analog peripherals for sensor and real-time control applications. The products are equipped with an on-chip operational amplifier, 12-bit ADC with Computation and two 8-bit DACs for improved data acquisition and sensor interfacing capabilities. Other key features include 16-bit PWMs, Direct Memory Access, Configurable Logic Cells and multiple communication interfaces. The PIC18-Q41 offers 14- and 20-pin products in small footprint packages to support customers in a variety of space constrained and sensor node applications.
Key Features
- Functional Safety Ready
- One Operational Amplifier
- 5.5 MHz Gain Bandwidth
- Programmable Gain
- 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
Applications
- IoT edge nodes
- Medical
- Wearables
- LED lighting
- Home automation
- Automotive and industrial process control
