Microchip Technology PIC32-BZ6 Highly Integrated Wireless SoCs

Microchip Technology PIC32-BZ6 Highly Integrated Wireless System-on-Chips (SoCs) are high-performance, low-power, integrated wireless microcontroller units (MCUs) powered by a 128MHz Arm^® Cortex^®-M4F processor. The Microchip PIC32-BZ6 family combines robust security features with extensive wireless connectivity options, including BLUETOOTH^® and IEEE 802.15.4 protocols (Thread, Proprietary, MiWi). The PIC32-BZ6 family consists of two variants: PIC32CX-BZ6 are AEC-Q100 Grade 1 (+125°C) qualified, and the PIC32WM-BZ6x are global regulatory certified, RF-ready modules.

With 2MB of Flash and 512KB of RAM, the PIC32-BZ6 family provides ample memory for complex applications, while the Secure Boot feature with an immutable root of trust ensures reliable and secure operation. Equipped with a rich set of peripherals, including analog/digital signal processing, communication interfaces, a Quadrature Encoder Interface (QEI), and touch sensing, the PIC32-BZ6 family supports a wide range of
applications.

Features

Operating conditions
- AEC-Q100 Grade 1 qualified with reduced parameters at 1.9V to 3.6V, -40°C to +125°C, DC to 128MHz
- AEC-Q100 Grade 2 qualified at 1.9V to 3.6V, -40°C to +105°C, DC to 128MHz
128MHz Arm Cortex-M4F core
- 3.40 Coremark^®/MHz (with IAR compiler)
- 4KB combined instruction and data cache
- 8-zone Memory Protection Unit (MPU)
- Thumb^®-2 instruction set
- Digital signal processing Application-Specific Extension (ASE) Rev 2
- Nested Vector Interrupt Controller (NVIC)
- Embedded Trace Module (ETM) with instruction trace stream
- CoreSight™ Embedded Trace Buffer (ETB)
- Trace Port Interface Unit (TPIU)
- IEEE 754-compliant single precision Floating Point Unit (FPU)
Memory
- 64KB ROM for secure boot - support for asymmetric secure boot
- 3072-bit eFuse with secure boot key storage and a debug lock
- 2MB on-chip self-programmable Flash with
  - Error Correction Code (ECC)
  - Prefetch module to speed up Flash accesses
  - 20k cycles endurance (100k cycles with erase retry option) and 20 years of data retention support
- 72KB boot Flash memory (18x pages, 17x pages for security hash enabled)
  - 64KB for user boot code configuration
  - 8KB for flexible device configuration
- 512KB multi-port programmable QoS SRAM main memory
  - 256KB of ECC RAM option
  - 32KB of RAM space for CoreSight™ ETB debug usage when enabled
  - Up to 64KB of SRAM can be retained in backup mode
- Up to 4KB of Tightly Coupled Memory (TCM)
System
- Power-on Reset (POR) and Brown-out Reset (BOR)
- Internal and external clock options
- Integrated 16MHz crystal oscillator with ±30ppm stability and external crystal support
- External Interrupt Controller (EIC)
  - Up to 4x external interrupts
  - 1x non-maskable interrupt
- Extensive debug and trace capabilities
  - 2-Wire Serial Wire Debug (SWD) programming and debugging interface
  - ETM trace interface pins for serial wire trace
Supported connectivity standards
- Bluetooth Low Energy SDK qualified against Bluetooth Core 6.0
- IEEE 802.15.4 MAC/PHY SDK for custom protocol support
- Capable of Zigbee^® 3.0
- Thread 1.4
Power supply
- System-on-chip (SoC) uses Low Dropout (LDO)
- Integrated PMU with
  - Buck (DC-DC/switching) mode - supports high power (PWM) and low power (PSM)
  - Modular Linear Differential Operator (MLDO) mode
- Integrated on-chip 1.5V LDO regulator for eFuse
- Integrated on-chip 1.2V LDO regulators
- POR and BOR on 3.3V and 1.2V rails
- Run, Idle, Standby Sleep, Deep Sleep, and Extreme Deep Sleep modes
- SleepWalking peripherals
2.4GHz RF transceiver
- Integrated 2.4GHz ultra-low-power RF transceiver shared between Bluetooth LE and IEEE 802.15.4 modems and link (MAC) controllers
- Integrated transceiver (TRX) switch and balun with one single-ended Radio Frequency Input/Output (RFIO) for Transmit (TX)/Receive (RX)
- Hardware radio arbiter with programmable QoS
  - Up to packet-level resolution
  - Based on shared transceiver and antenna
- High efficiency switching Power Amplifier (PA)
- -24dBm to +11dBm programmable transmit output power range with 1dB step size
- Supported data rates
  - Bluetooth Low Energy 6.0 - 2Mbps, 1Mbps, 500kbps, and 125kbps
  - IEEE 802.15.4 - 250kbps
  - Proprietary 2.4GHz - 2Mbps, 1Mbps, and 500kbps
Bluetooth
- Qualified against Bluetooth Core 6.0
- Up to +11dBm programmable transmit output power
- Typical receiver power sensitivity
  - -95dBm Bluetooth Low Energy at 2Mbps
  - -98dBm Bluetooth Low Energy at 1Mbps
  - -108dBm Bluetooth Low Energy at 125Kbps
  - -102dBm Bluetooth Low Energy at 500Kbps
- Bluetooth Low Energy supported features
  - Encrypted advertising data
  - Security level characteristic
  - Coding scheme selection
  - Connection subrating
  - Periodic advertising enhancement
  - Channel classification enhancement
  - Low-energy power control
  - 2M uncoded PHY
  - Long-range coded PHY
  - Channel selection algorithm #2
  - Advertising extensions, offloads CPU with a hardware-based scheduler
  - High duty cycle non-connectible advertising
  - Data length extensions
  - Secure connections
  - Privacy upgrades
  - Robust to interference with a wideband RSSI detector
- ECDH P256 hardware engine for Bluetooth pairing link key generation
- AES128 hardware module for real-time Bluetooth payload data encryption
- Bluetooth Qualification Test Facility (BQTF) certification
- Supports SIG-defined/custom Bluetooth Low Energy profiles and services
- Bluetooth Low Energy profiles
  - Bluetooth Low Energy peripheral and central roles
  - Bluetooth Low Energy APIs for the application layer to implement standard or customized GATT-based profiles/services
  - Alert notification service [Apple Notification Center Service (ANCS)]
  - Proximity reporter and time information
  - Multi-link and multi-role
- Bluetooth Low Energy services
  - Provisioning
  - Over-the-air firmware update (also known as OTA DFU)
  - Advertisement/beacon
  - Personalized configuration
  - Alert notification service
IEEE 802.15.4
- Capable of Zigbee^® 3.0, Thread 1.4, and proprietary 802.15.4 protocol stacks - optional by firmware configuration
- 250Kbps PLCP Service Data Unit (PSDU) data rate with 500Kbps, 1Mbps, and 2Mbps proprietary data rates
- Programmable RX mode
  - -103dBm RX sensitivity for 250Kbps in continuous mode
  - -100dBm RX sensitivity in RPC mode
  - RPC mode provides lower power consumption in RX mode to support the California Green Energy Specification at the system level
- Up to +11dBm TX output power
- Hardware-assisted MAC
  - Auto acknowledge
  - Auto retry
  - Channel access back-off
  - Automated Frame Check Sequence (FCS)
  - Automatic address filtering
- SFD Detection, Spreading, De-spreading, Framing, and CRC-16 computation
- Independent 128-byte TX and 128-byte RX frame buffers for improved CPU offloading

High-performance peripherals
- 16-channel Direct Memory Access Controller (DMAC) - built-in Cyclic Redundancy Check (CRC) with memory CRC generation and monitors hardware support
- 1x QSPI
  - Execute-In-Place (XIP) support
  - Dedicated AHB memory zone
Low-Cost Controllerless (LCC) graphics solutions
- Supports RGB332 8-bit color with 480x272 TFT display
- I²C for maxTouch control
- DMA and GPIO pins for 8-bit pixel transmission and synchronization
Cryptography
- Standard AES encryption and decryption with 128-bit, 192-bit, and 256-bit key sizes with a hardware accelerator
- Standard SHA hash algorithms, including SHA-256 and SHA-384 with hardware support
- RSA encryption and decryption with 1024-bit and 2048-bit key sizes
- Elliptic Curve Digital Signature Algorithm (ECDSA) using all supported NIST curves
- NIST 800-90B compliant True Random Number Generator (TRNG)
- Integrated scatter-gather DMA
System peripherals
- 32-channel event system
  - All channels can be connected to any event generator
  - All channels provide a pure asynchronous path
  - 12x channels support synchronous and resynchronous
- 6x Serial Communication Interfaces (SERCOM), each configurable to operate as
  - Universal Synchronous Asynchronous Receiver Transmitter (USART) with full duplex and single-wire half duplex configuration, ISO7816, Local Interconnect Network (LIN) commander/responder RS485
  - I²C up to 1MHz
  - Serial Peripheral Interface (SPI) - SPI inter-byte space
- 1x SERCOM configured as an I²C-only interface
- 10x 16-bit Timers/Counters (TC), each configurable as
  - 16-bit TC with two compare/capture channels
  - 8-bit TC with two compare/capture channels
  - 32-bit TC with two compare/capture channels by pairing two TCs
- 2x 24-bit Timer/Counters for Control (TCC) with extended functions
  - Up to 6x compare channels with an optional complementary output
  - Generation of synchronized Pulse Width Modulation (PWM) pattern across port pins
  - Deterministic fault protection, fast decay, and configurable dead-time between complementary outputs
  - Dithering to increase resolution up to 5 bits and reduce quantization error
- 1x 16-Bit TCC with extended functions - up to 2x compare channels with optional complementary output
- 34x PWM channels - 6x channels x 2 from 24-bit TCC, 2x channels from 16-bit TCC, and 10 x 2 channels from TC
- 32-Bit Real Time Counter (RTCC) with clock/calendar function, up to 4x wake-up pins with tamper detection and debouncing filter
- Watchdog Timer (WDT) with Window mode
- Deadman Timer (DMT)
- Frequency Meter (FREQM)
- Configurable Custom Logic (CCL) with 2x Look-up Tables (LUTs)
- 1x 7-bit general-purpose Digital-to-Analog Converter (DAC)
- 2x 12-bit, up to 1Msps Analog-to-Digital Converter (ADC) SAR core with up to 19x analog channels
  - Differential and single-ended input
  - Automatic offset and gain error compensation
- Up to 2x Analog Comparators (AC) with window compare function
- Up to 18x Capacitive Voltage Divider (CVD) channels for touch button support (using shared ADC SAR core)
- 1x temperature sensor (die temperature) built into the wireless subsystem
- x2x Controller Area Networks with Flexible Data Rate (CAN-FD) ports with dedicated Direct Memory Access (DMA) and 16x buffers, 16x filters, and 3x masks
  - ISO11898-1:2015 and CAN FD 1.0 compliant, supports up to 64x data bytes
  - Up to 1Mbps arbitration bit rate
  - Up to 10Mbps data bit rate
- Supports USB full-speed and low-speed compliance - a port with up to 8x dedicated DMA channels
- Ethernet MAC (ETH)
  - Compatible with IEEE Standard 802.3
  - 10/100Mbps Reduced Media Independent Interface (RMII) with dedicated DMA
  - 802.1AS and IEEE 1588-2008 Precision Time Protocol (PTP) compliant for precision clock synchronization and TSU support
  - IEEE802.3AZ/AF/PoE compliant for energy efficiency
  - Wake on Local Area Network (LAN) support
- 1x Quadrature Encoder Interface (QEI)
Oscillators
- 16MHz, ±30PPM crystal/resonator oscillator or external clock (POSC) for 2.4GHz RF transceiver
- Shared system Phase-Locked Loop (PLL) with RF subsystem
- 50MHz Ethernet Phase-Locked Loop (EPLL)
- 96MHz USB Phase-Locked Loop (UPLL)
- 32.768kHz ultra-low-power internal oscillator (LPRC)
- Higher Accuracy 32.768kHz, ±250ppm clock options
  - 32kHz clock derived from POSC
  - 32.768kHz crystal/resonator oscillator (SOSC)
  - External 32.768kHz clock source
- 8MHz internal RC Oscillator (FRC)
I/O
- Peripheral Pin Select (PPS) support
- 23x I/Os with high-current sink/source
- Configurable open-drain output on digital I/O pins
- Up to 54x programmable I/O pins
DC specifications
- Electrostatic Discharge (ESD) protection
  - 2kV minimum Human Body Model (HBM)
  - 500V minimum Charged Device Model (CDM)
- ~7.1ms boot time
132-pin DQFN package, 10mm x 10mm x 0.9mm size

Applications

Consumer electronics
- Smart remote controls
- Wireless speakers
- Wearables
- Smart toys
Home automation
- Smart lighting systems
- Thermostats
- Door locks
- Garage door openers
- Window and blind controllers
Building automation
- Heating, Ventilation, and Air Conditioning (HVAC) control systems
- Occupancy sensors
- Access control systems
Industrial
- Asset tracking
- Predictive maintenance
- Wireless sensor networks
- Industrial lighting

Automotive
- Tire pressure monitoring systems (TPMS)
- In-vehicle infotainment systems
- Keyless entry systems
Medical devices
- Patient monitoring systems
- Fitness and health trackers
- Wireless medical sensors
Internet of Things (IoT) and smart infrastructures
- Smart meters
- Environmental monitoring
- Smart agriculture
- Smart city infrastructure
Security systems
- Motion detectors
- Surveillance systems
- Alarm systems