Microchip — PIC18-Q20 Microcontroller Family

• C Compiler Optimized RISC Architecture Operating Speed:
  • DC – 64 MHz clock input
  • 62.5 ns minimum instruction cycle
• Four Direct Memory Access (DMA) Controllers:
  • Data transfers to SFR/GPR spaces from either Program Flash Memory, Data EEPROM, or SFR/GPR spaces
  • User-programmable source and destination sizes
  • Hardware and software-triggered data transfers
• Vectored Interrupt Capability:
  • Selectable high/low priority
  • Fixed interrupt latency of three instruction cycles
  • Programmable vector table base address
  • Backwards compatible with previous interrupt capabilities
• 128-Level Deep Hardware Stack
• Low-Current Power-on Reset (POR)
• Configurable Power-up Timer (PWRT)
• Brown-out Reset (BOR)
• Low-Power BOR (LPBOR) Option
• Windowed Watchdog Timer (WWDT):
  • Watchdog Reset on too long or too short interval between watchdog clear events
  • Variable prescaler selection
  • Variable window size selection

Operating Characteristics

• Operating Voltage Range (VDD): 1.8V to 5.5V
• Multi-Voltage I/O (MVIO) Range (VDDIO2 and VDDIO3):
  • 1.62V to 5.5V (3.63V with I3C enabled)
  • High-Voltage tolerant MVIO-powered pins support I3C communication down to 0.95V
• Temperature Range:
  • Industrial: -40°C to 85°C
  • Extended: -40°C to 125°C

Memory

• Up to 64 KB of Program Flash Memory
• Up to 4 KB of Data SRAM Memory
• 256 Bytes Data EEPROM
• Memory Access Partition: The Program Flash Memory can be partitioned into:
  • Application Block
  • Boot Block
  • Storage Area Flash (SAF) Block
• Programmable Code Protection and Write Protection
• Device Information Area (DIA) Stores:
  • Temperature indicator factory calibrated data
  • Fixed Voltage Reference (FVR) measurement data
  • Microchip Unique Identifier
• Device Characteristics Information (DCI) Area Stores:
  • Program/erase row sizes
  • Pin count details
  • EEPROM size
• Direct, Indirect, and Relative Addressing Modes

Power-Saving Functionality

• Doze: CPU and Peripherals Running at Different Cycle Rates (CPU is typically slower)
• Idle: CPU Halted While Peripherals Operate
• Sleep: Lowest Power Consumption
• Peripheral Module Disable (PMD):
  • Ability to selectively disable hardware modules to minimize active power consumption of unused peripherals
• Low-Power Mode Features:
  • Sleep: < 1 µA typical @ 3V
  • Operating Current:
    • 48 µA @ 32 kHz, 3V, typical

Clocking Structure

• High-Precision Internal Oscillator Block (HFINTOSC):
  • Selectable frequencies up to 64 MHz
  • ±1% at calibration
  • Active Clock Tuning of HFINTOSC for better accuracy
• External High-Frequency Oscillator Block:
  • Configurable HS Crystal mode up to 32 MHz
  • Digital Clock Input mode
  • 4x PLL with external sources
• Fail-Safe Clock Monitor: Allows for operational recovery if external clock stops
• Oscillator Start-up Timer (OST): Ensures stability of crystal oscillator sources

Programming/Debug Features

• In-Circuit Serial Programming™ (ICSP™) via Two Pins
• In-Circuit Debug (ICD) with Three Breakpoints via Two Pins
• Debug Integrated On-Chip

Digital Peripherals

• Two 16-Bit Pulse-Width Modulators (PWM):
  • Dual outputs for each PWM module
  • Integrated 16-bit timer/counter
  • Double-buffered user registers for duty cycles
  • Right/Left/Center/Variable Aligned modes of operation
  • Multiple clock and reset signal selections
• Timers:
  • Two 16-Bit Timers (TMR0/1)
  • Two 8-Bit Timers (TMR2/4) with Hardware Limit Timer (HLT)
  • Two 16-Bit Universal Timers (TU16A/16B)
    • Can be chained together to create a combined 32-bit timer
• Four Configurable Logic Cells (CLC): Integrated combinational and sequential logic
• One Complementary Waveform Generator (CWG):
  • Rising and falling edge dead-band control
  • Full-bridge, half-bridge, one-channel drive
  • Multiple signal sources
  • Programmable dead band
  • Fault-shutdown input
• Two Capture/Compare/PWM (CCP) Modules:
  • 16-bit resolution for Capture/Compare modes
  • 10-bit resolution for PWM mode
• Programmable CRC with Memory Scan:
  • Reliable data/program memory monitoring for Fail-Safe operation (e.g., Class B)
  • Calculate 32-bit CRC over any portion of Program Flash Memory
• Communication Modules:
  • Two UART Modules:
    • UART1 supports LIN host and client, DMX mode, DALI gear and device protocols
    • Asynchronous UART, RS-232, RS-485 compatible
    • Automatic and user timed BREAK period generation
    • Automatic checksums
    • Programmable Stop bits (1, 1.5, and 2 Stop bits)
    • Wake-up on BREAK reception
    • DMA compatible
  • One SPI Module:
    • Configurable length bytes
    • Arbitrary length data packets
    • Transmit-without-receive and receive-without-transmit options
    • Separate transmit and receive buffers with 2-byte FIFO and DMA capabilities
  • One I2C Module, SMBus, PMBus™ Compatible:
    • Supports Standard mode (100 kHz), Fast mode (400 kHz), and Fast mode Plus (1 MHz)
    • 7-bit and 10-bit Addressing modes with Address Masking
    • Multi-Host mode, including self-addressing
  • Up to Two I3C Modules:
    • Supports I3C target device mode only
    • Can be used as an I2C Client module
    • Adheres to MIPI I3C Basic Specification 1.0
    • Transfer speeds up to 12.5 Mbps in SDR mode

Analog Peripherals

• 10-Bit Analog-to-Digital Converter with Computation (ADCC):
  • Up to 11 external channels and five internal channels
  • Supports grouping of external channels
  • Up to 300 ksps
  • Automated math functions on input signals (averaging, filtering, oversampling, threshold comparison)
  • Operates in Sleep
  • Five internal analog channels
  • Hardware Capacitive Voltage Divider (CVD) Support:
    • Adjustable Sample-and-Hold capacitor array
    • Guard ring digital output drive
    • Automates touch sampling and reduces software size and CPU usage when touch or proximity sensing is required
  • Voltage Reference:
    • Fixed Voltage Reference with 1.024V, 2.048V, and 4.096V output levels
    • Internal connections to ADC

Take your next idea to market with a development board that you can keep in your pocket. With full programming and debugging capabilities, the PIC18F16Q20 Curiosity Nano Evaluation Kit offers complete support for your next design.

User Guide