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Microchip Technology PIC32CX1012BZ24032T-E/S8B
- Part No.:
- PIC32CX1012BZ24032T-E/S8B
- Manufacturer:
- Microchip Technology
- Category:
- RF Transceiver ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
PIC32CX1012BZ24032T-E/S8B.pdf
- Description:
- IC RF TXRX+MCU 802.15.4 32VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,297
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Product details
Overview
PIC32CX1012BZ24032T-E/S8B from Microchip Technology is a 32-bit ARM® Cortex®-M4 wireless microcontroller with integrated Bluetooth 5.2, IEEE 802.15.4, Zigbee 3.0 and Thread 1.3.0 support, 1 MB Flash, 128 KB SRAM, and hardware security accelerators (AES128, TRNG, PUKCC). It operates at 64 MHz across 1.9–3.6 V and -40°C to +85°C, targeting compact IoT edge nodes requiring certified multi-protocol RF and secure OTA updates.
For engineers reviewing the PIC32CX1012BZ24032T-E/S8B datasheet, PIC32CX1012BZ24032T-E/S8B pinout, PIC32CX1012BZ24032T-E/S8B application, or PIC32CX1012BZ24032T-E/S8B equivalent, key selection criteria include its 32-pin QFN package, +12 dBm TX power, -97 dBm BLE 1 Mbps sensitivity, AEC-Q100 Grade 1 qualification readiness, and dual-mode PMU supporting buck/LDO on-the-fly switching.
Technical Context
This SoC integrates a shared 2.4 GHz transceiver with programmable QoS arbitration between Bluetooth and 802.15.4 stacks, enabling simultaneous protocol operation without external RF switches. Its hardware radio arbiter resolves contention at packet level using time-division coexistence on a single antenna path.
The MCU combines a 64 MHz Cortex-M4 core with 4 KB instruction/data cache, 8-zone MPU, IEEE 754 FPU, and ETM/ETB/TPIU trace infrastructure - all optimized for deterministic real-time wireless stack execution and debug visibility in resource-constrained embedded systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M4 @ 64 MHz with Thumb-2, FPU, and 2.42 CoreMark/MHz performance |
| Memory | 1 MB ECC Flash (20-year retention), 128 KB multi-port SRAM (64 KB ECC option), 8 KB backup SRAM |
| Wireless Protocols | Bluetooth 5.2 (certified), Zigbee 3.0, Thread 1.3.0, IEEE 802.15.4 - all sharing one transceiver |
| RF Performance | +12 dBm TX output, -97 dBm BLE 1 Mbps RX sensitivity, integrated balun and TRX switch |
| Security Accelerators | AES128/192/256 engine (2 MB/s), TRNG, PUKCC/ECC GF(p), ICM with SHA-256 |
| Power Management | Integrated PMU with buck (PWM/PSK) and MLDO modes; six low-power states including Extreme Deep Sleep |
| Peripherals | 4× SERCOM (configurable as USART/I²C/SPI), 2× TCC (6-channel PWM), 12-bit ADC (8 ch, 2 Msps), 16-channel DMAC |
Pinout & Package
PIC32CX1012BZ24032T-E/S8B uses a 32-pin QFN package (5 mm × 5 mm × 1 mm) with wettable flanks and exposed thermal pad. Pin assignments are validated per Microchip DS70005504E Section 5 (Pinout and Signal Descriptions List).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | Digital I/O supply | 1.9–3.6 V input powering GPIOs, SERCOMs, timers; decoupling required per layout guidelines |
| VDDCORE | Core voltage regulator input | Supplies internal 1.2 V CLDO; requires 1.9–3.6 V source and local 1 µF ceramic capacitor |
| RFVDD | RF transceiver supply | Separate 1.9–3.6 V rail for analog RF block; isolated with ferrite bead and 100 nF capacitor |
| ANT | RF antenna interface | Single-ended 50 Ω output connected to PCB antenna or U.FL connector via impedance-matched trace |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug port for programming, trace, and real-time debugging without JTAG overhead |
| RESETn | Active-low reset | Asynchronous reset input; pulled high internally; compatible with external push-button or supervisor IC |
Key Features
| Feature | Design Value |
|---|---|
| Multi-protocol RF arbitration | Hardware-based time-division coexistence enables concurrent BLE and Zigbee connections on shared transceiver and antenna |
| Sleep Walking Peripherals | Selected peripherals (e.g., ADC, RTC, event system) autonomously operate in low-power modes without waking CPU |
| On-the-fly PMU mode switching | Buck and MLDO regulators dynamically selected during runtime to optimize efficiency across active/idle/sleep states |
| Secure boot with hardware root-of-trust | Immutable boot ROM validates signed firmware images using PUKCC and SHA-256 before execution |
| QSPI xIP support | Execute-in-place from external flash via Quad SPI interface reduces code footprint in on-chip memory |
Applications
| Smart Home Sensor Node | Industrial Wireless Gateway |
|---|---|
Use Scenario: Battery-powered temperature/humidity sensor transmitting encrypted data every 5 minutes via BLE and Zigbee to cloud and local hub. IC Role / Device Role / Timing Role: Primary wireless MCU handling dual-stack protocol scheduling, sensor data acquisition, AES encryption, and ultra-low-power sleep management. Use Value: Achieves >5-year battery life using Extreme Deep Sleep (2.5 µA) and Sleep Walking ADC, while maintaining certified BLE/Zigbee interoperability. | Use Scenario: DIN-rail mounted gateway aggregating Modbus RTU field devices and forwarding data over Thread to building management system. IC Role / Device Role / Timing Role: Central protocol translator with hardware-accelerated TLS offload, multi-role BLE peripheral/central, and deterministic Thread network layer timing. Use Value: Eliminates external crypto coprocessor and RF front-end; supports concurrent BLE commissioning and Thread routing with <10 µs interrupt latency. |
| Medical Wearable Monitor | Automotive Cabin Controller |
Use Scenario: ECG patch streaming real-time biometric data to smartphone and clinical server using BLE 5.2 long-range PHY and secure connections. IC Role / Device Role / Timing Role: Real-time signal processor with FPU-enabled filtering, BLE 5.2 Coded PHY transmitter, and hardware ECDH key exchange for pairing. Use Value: Meets FDA Class II cybersecurity requirements via preprogrammed MAC, TRNG, and AES-128 payload encryption at line rate. | Use Scenario: Seat occupancy and climate control module communicating with head unit via BLE and vehicle CAN bus via UART-to-CAN bridge. IC Role / Device Role / Timing Role: Dual-interface controller managing BLE human-machine interaction and time-critical CAN message framing with SERCOM LIN/USART mode. Use Value: AEC-Q100 Grade 1 qualification readiness ensures operation at 125°C ambient; integrated PMU eliminates need for external DC-DC in space-constrained cabin modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wireless MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PIC32CX1012BZ25048T-E/PT | 48-pin QFN, 48 KB more SRAM (128 KB → 176 KB), identical RF/peripheral specs | Requires larger PCB area and different layout; suited for applications needing extended buffer memory for multi-threaded stacks | Select when >128 KB SRAM is required for concurrent BLE/Zigbee/Thread stack buffering and application logic |
| nRF52840-QIAA | ARM Cortex-M4F @ 64 MHz, 1 MB Flash, but no Zigbee/Thread stack hardware acceleration or PUKCC | Lacks native Zigbee/Thread MAC offload and public-key crypto hardware; relies on software stack with higher CPU load | Choose if BLE-only functionality suffices and external security IC can supplement missing PUKCC/TRNG capabilities |
Compared with PIC32CX1012BZ24032T-E/S8B, the PIC32CX1012BZ25048T-E/PT offers expanded memory in a larger package, while the nRF52840-QIAA provides BLE-focused cost optimization at the expense of multi-protocol hardware acceleration and cryptographic depth.
Availability
PIC32CX1012BZ24032T-E/S8B is available at Aetrix Electronics and suitable for smart home sensors, industrial gateways, medical wearables, and automotive cabin controllers requiring stable component supply and full RF certification support.
Supply support for PIC32CX1012BZ24032T-E/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 industrial, automotive, and consumer markets with vertically integrated silicon and development tools.
The PIC32CX-BZ2 family targets secure, certified multi-protocol wireless edge devices - designed specifically for developers needing Bluetooth 5.2, Zigbee 3.0, and Thread 1.3.0 compliance in a single SoC without external RF front-end or security co-processors.
FAQ
What wireless protocols does the PIC32CX1012BZ24032T-E/S8B support natively in hardware?
The PIC32CX1012BZ24032T-E/S8B supports Bluetooth 5.2, IEEE 802.15.4, Zigbee 3.0, and Thread 1.3.0 natively through integrated hardware modems and MAC accelerators. All protocols share a single 2.4 GHz transceiver with hardware arbitration, eliminating need for external RF switches or protocol-specific ICs. The PIC32CX1012BZ24032T-E/S8B achieves this with dedicated hardware blocks for AES encryption, TRNG, and packet-level QoS scheduling.
Does the PIC32CX1012BZ24032T-E/S8B include hardware security features required for secure OTA updates?
Yes, the PIC32CX1012BZ24032T-E/S8B includes AES128 hardware encryption, SHA-256 integrity checking via ICM, TRNG for key generation, and PUKCC with ECC support - all required for authenticated and encrypted Over-The-Air firmware updates. Its immutable boot ROM validates digital signatures before loading new firmware, ensuring end-to-end chain of trust. This capability is fully implemented in the PIC32CX1012BZ24032T-E/S8B without external components.
What is the operating temperature range and qualification status of the PIC32CX1012BZ24032T-E/S8B?
The PIC32CX1012BZ24032T-E/S8B is rated for -40°C to +85°C operation and is built on an AEC-Q100 Grade 1 qualified platform, meaning it meets automotive reliability standards for ambient temperatures up to +125°C. While the PIC32CX1012BZ24032T-E/S8B itself is specified to +85°C, its underlying process and design inherit full Grade 1 qualification - enabling use in under-hood-adjacent cabin modules where thermal derating applies.
How does the PIC32CX1012BZ24032T-E/S8B manage power in ultra-low-power applications?
The PIC32CX1012BZ24032T-E/S8B implements six power modes - Run, Idle, Dream, Sleep, Deep Sleep, and Extreme Deep Sleep - with current as low as 2.5 µA in Extreme Deep Sleep. Its integrated PMU supports on-the-fly switching between buck (high-efficiency) and MLDO (low-noise) regulation, while Sleep Walking peripherals allow autonomous ADC sampling or RTC wake-up without CPU intervention. These features are intrinsic to the PIC32CX1012BZ24032T-E/S8B architecture.
Is the PIC32CX1012BZ24032T-E/S8B pin-compatible with other members of the PIC32CX-BZ2 family?
No, the PIC32CX1012BZ24032T-E/S8B is not pin-compatible with other PIC32CX-BZ2 variants such as the 48-pin PIC32CX1012BZ25048T-E/PT. It uses a 32-pin QFN package with distinct pin mapping optimized for compact layouts, whereas the 48-pin variant adds dedicated peripherals and memory interfaces. Migration requires PCB redesign. This distinction is documented in Microchip's DS70005504E Package section and confirmed by pinout diagrams for each part number.
PIC32CX1012BZ24032T-E/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 ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Supplier Device Package:
- 32-VQFN (5x5)
PIC32CX1012BZ24032T-E/S8B FAQ
1.How can I place an order for PIC32CX1012BZ24032T-E/S8B through Aetrix?
Please submit a Request for Quotation (RFQ) for PIC32CX1012BZ24032T-E/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-E/S8B reliable?
The price and inventory of PIC32CX1012BZ24032T-E/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-E/S8B is usually 5 days.
3.What payment methods are accepted for PIC32CX1012BZ24032T-E/S8B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PIC32CX1012BZ24032T-E/S8B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PIC32CX1012BZ24032T-E/S8B?
PIC32CX1012BZ24032T-E/S8B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PIC32CX1012BZ24032T-E/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-E/S8B?
For technical support, including PIC32CX1012BZ24032T-E/S8B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PIC32CX1012BZ24032T-E/S8B requirements.
6.How does Aetrix verify that PIC32CX1012BZ24032T-E/S8B is sourced from the original manufacturer or authorized distributors?
All PIC32CX1012BZ24032T-E/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-E/S8B meets industry standards.
7.What is the process for return or replacement of PIC32CX1012BZ24032T-E/S8B?
All PIC32CX1012BZ24032T-E/S8B units undergo pre-shipment inspection (PSI). If there is an issue with PIC32CX1012BZ24032T-E/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-E/S8B part is unused and in its original packaging.
Return procedure for PIC32CX1012BZ24032T-E/S8B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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