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Microchip Technology PIC32CX1012BZ24032T-I/S8B
- Part No.:
- PIC32CX1012BZ24032T-I/S8B
- Manufacturer:
- Microchip Technology
- Category:
- RF Transceiver ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
PIC32CX1012BZ24032T-I/S8B.pdf
- Description:
- IC RF TXRX+MCU 802.15.4 32VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,294
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Product details
Overview
PIC32CX1012BZ24032T-I/S8B from Microchip Technology is a 32-bit ARM® Cortex®-M4 wireless MCU with integrated 2.4 GHz RF transceiver, supporting Bluetooth 5.2, Zigbee 3.0, and Thread 1.3.0 protocols. It operates at 64 MHz, features 1 MB Flash, 128 KB SRAM, and -40°C to +85°C industrial temperature range in a 32-pin QFN (5 mm × 5 mm) package. It targets battery-powered IoT edge nodes requiring secure, multi-protocol wireless connectivity.
For engineers reviewing the PIC32CX1012BZ24032T-I/S8B datasheet, PIC32CX1012BZ24032T-I/S8B pinout, PIC32CX1012BZ24032T-I/S8B application, or PIC32CX1012BZ24032T-I/S8B equivalent, key selection criteria include its dual-mode PMU (buck/LDO), hardware AES-128/256 and TRNG security accelerators, 27 GPIOs with PPS, and certified RF performance up to +12 dBm TX with -97 dBm BLE 1 Mbps RX sensitivity.
Technical Context
This SoC integrates a shared 2.4 GHz transceiver with programmable QoS radio arbiter enabling simultaneous Bluetooth and IEEE 802.15.4 operation via time-division coexistence. Its RF subsystem includes LPA (+5 dBm) and MPA (+12 dBm) PA architectures, integrated balun, and TRX switch - all controlled by hardware-assisted MAC for Zigbee and proprietary modes.
The MCU subsystem features 4 KB instruction/data cache, 8-zone MPU, IEEE 754-compliant FPU, and ETM/ETB/TPIU trace support. Power management includes six low-power modes (Dream, Sleep, Deep Sleep, Extreme Deep Sleep), Sleep Walking peripherals, and on-the-fly buck/LDO regulator selection - critical for energy-constrained sensor endpoints.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M4 @ 64 MHz with FPU and DSP extensions - enables real-time signal processing and floating-point math for sensor fusion. |
| Flash / SRAM | 1 MB ECC Flash + 128 KB multi-port SRAM (64 KB ECC option) - supports robust firmware storage and concurrent peripheral buffering without memory contention. |
| Wireless Protocols | Bluetooth 5.2 (certified), Zigbee 3.0, Thread 1.3.0, IEEE 802.15.4 - single-chip solution eliminating external protocol stacks or co-processors. |
| RF Performance | +12 dBm max TX power, -97 dBm BLE 1 Mbps RX sensitivity - meets ETSI/FCC regulatory limits while delivering reliable link budget in compact PCB layouts. |
| Security Hardware | AES-128/192/256 engine, TRNG, PUKCC with ECC/RSA, ICM (SHA-256) - offloads cryptographic operations and enables secure boot, OTA updates, and device identity provisioning. |
| Power Modes | Run, Idle, Dream, Sleep, Deep Sleep, Extreme Deep Sleep - sub-μA retention current in Extreme Deep Sleep with wake-up via RTC or external pin - extends battery life to years in intermittent sensing applications. |
| Package | 32-pin QFN, 5 mm × 5 mm × 1 mm - surface-mount compatible with automated assembly and suitable for space-constrained modules like WBZ450. |
Pinout & Package
32-pin QFN (5 mm × 5 mm × 1 mm) with exposed thermal pad; RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | Digital I/O supply | 1.9–3.6 V rail powering GPIOs and digital peripherals; decoupling required per datasheet layout guidelines. |
| VDDCORE | Core voltage supply | 1.2 V regulated input for CPU and memory subsystems; sourced internally from CLDO or external regulator. |
| RF_ANT | RF antenna interface | Single-ended 50 Ω output connected to PCB antenna or U.FL connector; requires impedance-matched RF trace routing. |
| SWDIO / SWCLK | Serial Wire Debug interface | 2-pin debug port supporting programming, real-time tracing, and non-intrusive breakpoints during active RF operation. |
| PA_EN / RX_EN | RF power amplifier/receiver enable | Hardware-controlled signals managing transceiver state transitions; synchronized with radio arbiter for low-latency mode switching. |
Key Features
| Feature | Design Value |
|---|---|
| Multi-protocol RF arbiter | Hardware-enforced time-division scheduling between Bluetooth and 802.15.4 - maintains concurrent connections without software arbitration overhead. |
| Sleep Walking peripherals | Selected peripherals (e.g., ADC, RTC, SERCOM) operate autonomously in low-power modes - enables sensor polling and event generation without waking CPU. |
| Flexible Peripheral Pin Select (PPS) | Runtime remapping of UART, SPI, I²C, and PWM functions to any GPIO - simplifies PCB layout and supports design reuse across variants. |
| Hardware-accelerated security | Dedicated AES, TRNG, and PUKCC engines - reduces encryption latency to <10 μs per 128-bit block and eliminates software-side side-channel vulnerabilities. |
| On-the-fly PMU mode switching | Dynamic selection between buck (high-efficiency) and MLDO (low-noise) regulators - optimizes power delivery for RF transmit vs. analog sensing phases. |
Applications
| Smart Home Sensor Node | Industrial Wireless Gateway |
|---|---|
Use Scenario: Battery-powered temperature/humidity/motion sensor transmitting data every 5 minutes to a hub via BLE or Zigbee. IC Role / Device Role / Timing Role: Primary wireless MCU handling RF protocol stack, sensor interface, secure OTA updates, and ultra-low-power scheduling. Use Value: Extreme Deep Sleep current <1.5 μA and hardware Sleep Walking enable >5-year battery life using CR2032 cells. | Use Scenario: DIN-rail mounted gateway aggregating data from 30+ field sensors using mixed BLE/Zigbee/Thread networks. IC Role / Device Role / Timing Role: Central coordinator managing concurrent protocol stacks, secure bridging, and time-synchronized data forwarding over Ethernet or cellular backhaul. Use Value: Dual-mode PMU and hardware radio arbiter allow simultaneous BLE peripheral and Zigbee router roles without RF interference or CPU overload. |
| Medical Wearable | Asset Tracking Tag |
Use Scenario: Disposable patch monitoring heart rate and skin temperature, transmitting encrypted biometric data to smartphone or clinical hub. IC Role / Device Role / Timing Role: Secure edge node performing on-device signal filtering, AES-256 payload encryption, and privacy-preserving BLE advertising. Use Value: Preprogrammed MAC address, ECDH P256 hardware key generation, and secure boot ensure HIPAA-compliant device identity and data integrity. | Use Scenario: GPS-denied indoor asset tag reporting location via RSSI triangulation and motion-triggered BLE beacons in warehouses. IC Role / Device Role / Timing Role: Low-latency motion detection controller interfacing with accelerometer, managing beacon duty cycle, and optimizing TX power based on proximity. Use Value: Programmable TX output (+12 dBm) and calibrated RSSI (-50 to -90 dBm) enable accurate distance estimation within ±1.5 m at 10 m range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wireless MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PIC32CX1012BZ25048T-I/PT | 48-pin QFN, 48 MHz core clock, 512 KB Flash, 64 KB SRAM - larger package, lower clock speed, reduced memory. | Targeted at cost-sensitive designs where RF feature set is retained but code footprint and peripheral count are reduced. | Select when board space allows larger QFN and application firmware size remains under 512 KB. |
| nRF52840-QIAA | ARM Cortex-M4F @ 64 MHz, 1 MB Flash, 256 KB RAM, Bluetooth 5.2 only - no native Zigbee/Thread stack or hardware MAC. | Best suited for BLE-centric applications requiring high RAM headroom and USB support, not multi-protocol convergence. | Choose only if Zigbee/Thread functionality is unnecessary and USB device capability is required. |
Compared with PIC32CX1012BZ25048T-I/PT, the PIC32CX1012BZ24032T-I/S8B offers higher core frequency and double the SRAM in a smaller 32-pin footprint; versus nRF52840-QIAA, it delivers integrated multi-protocol MAC hardware and certified Zigbee/Thread readiness - reducing BOM count and certification effort.
Availability
PIC32CX1012BZ24032T-I/S8B is available at Aetrix Electronics and suitable for smart home sensor nodes, medical wearables, industrial gateways, and asset tracking tags requiring stable component supply and long-term lifecycle support.
Supply support for PIC32CX1012BZ24032T-I/S8B includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology Inc. is a leading provider of microcontrollers, analog components, and Flash-IP solutions, serving automotive, industrial, consumer, and communications markets with vertically integrated silicon and development tools.
The PIC32CX-BZ2 family was designed specifically for secure, battery-efficient, multi-protocol IoT endpoints - integrating RF transceivers, protocol accelerators, and hardware security into a single die to eliminate discrete RF front-end complexity.
FAQ
What wireless protocols does the PIC32CX1012BZ24032T-I/S8B support natively in hardware?
The PIC32CX1012BZ24032T-I/S8B supports Bluetooth 5.2, IEEE 802.15.4, Zigbee 3.0, and Thread 1.3.0 with full hardware MAC acceleration and certified RF performance. Its shared transceiver and programmable radio arbiter enable concurrent operation - unlike software-only protocol stacks that require external co-processors or compromise real-time responsiveness. The PIC32CX1012BZ24032T-I/S8B implements all PHY/MAC layers in silicon, including auto-acknowledge, CRC-16, and SFD detection.
Does the PIC32CX1012BZ24032T-I/S8B include hardware security features required for secure boot and OTA updates?
Yes, the PIC32CX1012BZ24032T-I/S8B integrates AES-128/192/256, TRNG, PUKCC with ECC/RSA, and ICM (SHA-256) to enable cryptographically signed secure boot and authenticated OTA firmware updates. Its hardware security modules operate independently of the CPU, preventing runtime tampering. The PIC32CX1012BZ24032T-I/S8B also includes preprogrammed MAC address and dedicated boot ROM with immutable root-of-trust - meeting requirements for PSA Level 2 and SESIP-certifiable designs.
What is the operating temperature range and packaging specification for the PIC32CX1012BZ24032T-I/S8B?
The PIC32CX1012BZ24032T-I/S8B is rated for -40°C to +85°C operation and housed in a 32-pin QFN package measuring 5 mm × 5 mm × 1 mm with exposed thermal pad. This industrial-grade temperature range and compact footprint make it suitable for embedded modules such as the WBZ450 series. The PIC32CX1012BZ24032T-I/S8B complies with JEDEC J-STD-020 moisture sensitivity level (MSL) 3 and RoHS/REACH environmental standards.
How does the PIC32CX1012BZ24032T-I/S8B manage power efficiency in battery-operated applications?
The PIC32CX1012BZ24032T-I/S8B achieves ultra-low power operation through six configurable power modes - including Extreme Deep Sleep with <1.5 μA retention current - and Sleep Walking peripherals that perform autonomous tasks (e.g., ADC sampling, timer counting) without CPU wake-up. Its integrated PMU supports on-the-fly switching between buck and MLDO regulators, optimizing efficiency for RF transmit bursts versus analog sensing phases. The PIC32CX1012BZ24032T-I/S8B also features hardware-controlled radio state machines and dynamic TX power scaling to minimize energy per packet.
Is the PIC32CX1012BZ24032T-I/S8B pin-compatible with other members of the PIC32CX-BZ2 family?
No, the PIC32CX1012BZ24032T-I/S8B is not pin-compatible with other PIC32CX-BZ2 devices such as the 48-pin PIC32CX1012BZ25048T-I/PT. It uses a unique 32-pin QFN footprint optimized for compact module integration (e.g., WBZ450). Pin assignments differ significantly - particularly for RF-related signals (RF_ANT, PA_EN), power domains (VDDCORE, VDDIO), and debug interfaces. Migration requires PCB redesign; however, software compatibility is maintained across the family via unified MPLAB Harmony v3 SDK and HAL abstraction layer. The PIC32CX1012BZ24032T-I/S8B shares identical register maps and peripheral IP blocks with higher-pin-count variants.
PIC32CX1012BZ24032T-I/S8B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- PIC32CX-BZ2
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Type:
- TxRx + MCU
- RF Family/Standard:
- 802.15.4, Bluetooth
- Protocol:
- Bluetooth v5.2, Zigbee®
- Modulation:
- GFSK, O-QPSK
- Frequency:
- 2.4GHz
- Data Rate (Max):
- 2Mbps
- Power - Output:
- 5dBm
- Sensitivity:
- -103dBm
- Memory Size:
- 1MB Flash, 128kB SRAM
- Serial Interfaces:
- ADC, GPIO, I2C, PWM, SPI, USART
- GPIO:
- 16
- Voltage - Supply:
- 1.9V ~ 3.6V
- Current - Receiving:
- 20.6mA
- Current - Transmitting:
- 24.9mA
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Supplier Device Package:
- 32-VQFN (5x5)
PIC32CX1012BZ24032T-I/S8B FAQ
1.How can I place an order for PIC32CX1012BZ24032T-I/S8B through Aetrix?
Please submit a Request for Quotation (RFQ) for PIC32CX1012BZ24032T-I/S8B on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PIC32CX1012BZ24032T-I/S8B reliable?
The price and inventory of PIC32CX1012BZ24032T-I/S8B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PIC32CX1012BZ24032T-I/S8B is usually 5 days.
3.What payment methods are accepted for PIC32CX1012BZ24032T-I/S8B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PIC32CX1012BZ24032T-I/S8B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PIC32CX1012BZ24032T-I/S8B?
PIC32CX1012BZ24032T-I/S8B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PIC32CX1012BZ24032T-I/S8B order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PIC32CX1012BZ24032T-I/S8B?
For technical support, including PIC32CX1012BZ24032T-I/S8B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PIC32CX1012BZ24032T-I/S8B requirements.
6.How does Aetrix verify that PIC32CX1012BZ24032T-I/S8B is sourced from the original manufacturer or authorized distributors?
All PIC32CX1012BZ24032T-I/S8B products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PIC32CX1012BZ24032T-I/S8B meets industry standards.
7.What is the process for return or replacement of PIC32CX1012BZ24032T-I/S8B?
All PIC32CX1012BZ24032T-I/S8B units undergo pre-shipment inspection (PSI). If there is an issue with PIC32CX1012BZ24032T-I/S8B, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PIC32CX1012BZ24032T-I/S8B part is unused and in its original packaging.
Return procedure for PIC32CX1012BZ24032T-I/S8B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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