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The Freescale QorIQ P1022 was a dual-core embedded communications processor designed to balance processing work with lower power use. Announced in 2009, it paired two e500 Power Architecture cores with dynamic power management and a network-aware deep-sleep design. Its energy claims were vendor-reported test results and a standby design target—not a guarantee of power consumption in every finished product.
What was the Freescale QorIQ P1022?
The P1022 was an embedded system-on-chip (SoC), not a desktop processor. Freescale designed it for equipment that handles communications, media, storage, printing, surveillance and industrial control. NXP’s later QP1022 family brief documents the P1013/P1022 family.
The chip combined two e500 Power Architecture cores, each running from 600 MHz to 1 GHz, with a 256 KB L2 cache. Its integrated interfaces included DDR2 or DDR3 memory support, three PCI Express interconnects, Gigabit Ethernet, IEEE 1588 timing, USB 2.0, SATA, SD/MMC, DUART, SPI, I2C and an LCD controller. The family brief also describes Ethernet TCP/UDP/IP offload, direct FIFO connectivity to an ASIC, and optional hardware acceleration for encryption and RAID processing.
How could a dual-core processor use energy efficiently?
More cores do not automatically mean lower power consumption. Freescale’s energy argument for the P1022 centered on matching power use to the workload: its “Jog” technology dynamically reduced power for cyclical workloads, while a network-aware, packet-lossless deep-sleep standby mode was intended to keep an embedded system responsive without remaining fully active.
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Freescale stated a 1 watt AC network-standby design target. That is a target for a system design, not a measured result that applies to every P1022-based product. Actual consumption depends on the board, attached devices, workload, software and power-management implementation.
What did Freescale’s performance figures mean?
In its 2009 announcement, reproduced by EDN, Freescale reported improvements in test applications relative to a single-core device running at the same clock speed:
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- ESP32-S3R8 Processor--- Equipped with ESP32-S3R8 Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency. Supports 2.4GHz W-i-F-i (802.11 b/g/n) and Blue--tooth 5 (LE), with onboard antenna. Built in 512KB of SRAM and 384KB ROM, with onboard 8MB PSRAM and an external 16MB Flash memory.
- AMOLED Touch Screen--- Onboard 1.8inch AMOLED display for clear color picture display, 368 x 448 resolution, 16.7M color, 178° wide viewing angle. Compared to those traditional LCD displays, the AMOLED screen features precise light-control capability, representing more delicate colors, more picture details, and more vivid video image.
- Onboard Audio Codec---Supports high-quality audio processing, providing clear and high-quality audio input and output. Supports Offline Speech recognition and AI Speech Interaction---Allows access to online large model platforms to support more AI application scenarios.
- For Various Smart Devices---Suitable For Various Smart Devices Development, Can Realize Human-Computer Interaction Function. Supports installing ba|tte|ry inside the case for independent operation. （Note: this version doesn't include ba|tte|ry ） Dedicated Black Case---with removable back cover for easy embedded into the projects and DIY design.
- Sensor and Chip---Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope) for detecting motion gesture, counting steps, etc. Built-in SH8601 display driver and FT3168 capacitive touch chip, using QSPI and I2C communication respectively, effectively saving the IO resources.
| Measure | Manufacturer-reported figure | Qualification |
|---|---|---|
| AMP test applications | Up to 82% improvement | Freescale-reported 2009 result versus a same-clock single-core device |
| SMP test applications | Up to 78% improvement | Freescale-reported 2009 result versus a same-clock single-core device |
| Core frequency | 600 MHz to 1 GHz | Range stated in the 2009 announcement |
| AC network standby | 1 watt target | Freescale’s design target, not a universal product measurement |
The percentages describe vendor test applications, not a general promise of faster performance for every program. Results depend on how well software can use both cores and on the workload being run.
What are AMP and SMP on the P1022?
The P1022 supported two ways to use its cores. Which one made sense depended on whether a product needed to keep distinct tasks apart or divide one parallelizable task across cores.
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- 2.4GHz Dual Mode WiFi + Bluetooth Development Board
- Support LWIP protocol, Freertos
- SupportThree Modes: AP, STA, and AP+STA
- Ultra-Low power consumption, Compatible with Arduino IDE
- ESP32 is a safe, reliable, and scalable to a variety of applications
| Mode | How it works | Typical fit |
|---|---|---|
| Asymmetric multiprocessing (AMP) | Different workloads can be assigned to each core. | Systems that benefit from separating functions or workloads. |
| Symmetric multiprocessing (SMP) | A single workload can be parallelized across both cores. | Software designed to distribute work across multiple cores. |
What equipment was the P1022 designed for?
Freescale named several embedded-system applications for the processor:
- Printing and imaging products
- Video surveillance equipment
- Storage systems
- Industrial automation and control
- Networked media processing
- Embedded Internet-media appliances
Its mix of Ethernet, memory, storage and peripheral interfaces suited products that needed communications and control functions integrated into a compact embedded design. The available interfaces and optional accelerators could reduce the need for some external components, but system-level cost and power would still depend on the implementation.
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- Equipped with Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency.Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (BLE), with onboard antenna
- Built in 512KB of SRAM and 384KB ROM, with onboard 2MB PSRAM and an external 16MB Flash memory.Type-C connector, keeps it up to date, easier to use.
- Onboard 1.28inch LCD display, round IPS panel, 240×240 resolution, 65K color.Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope) for detecting motion gesture.Onboard 3.7V lithium battery recharge/discharge header and GPIO headers
- Supports flexible clock, module power supply independent setting, and other controls to realize low power consumption in different scenarios
- Integrated with USB serial port full-speed controller, GPIO pins allow flexibly configuring pin functions
What should engineers compare it with?
For an alternative embedded SoC, compare the requirements of the whole product rather than core count alone. The relevant dimensions include performance per watt, standby behavior, the number and type of I/O links, memory support, hardware acceleration, AMP/SMP software support, board cost and product lifecycle.
A processor may look suitable on paper but still be a poor fit if its interfaces do not match the design, its software stack cannot exploit the cores, or its lifecycle does not align with the product’s service life.
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- Capacitive Touch Display: Onboard 1.28inch capacitive touch display with 240×240 resolution and 65K color, featuring QMI8658 6-axis IMU with 3-axis accelerometer and 3-axis gyroscope for detecting motion gestures
- Memory and Storage: Built in 512KB of SRAM and 384KB ROM, with onboard 2MB PSRAM and an external 16MB Flash memory, featuring Type-C connector for easy connectivity and updates
- Dual-Core Processor: Equipped with 32-bit LX7 dual-core processor operating up to 240MHz main frequency, supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with onboard antenna
- Battery and Connectivity: Onboard 3.7V lithium battery recharge and discharge header with 6 GPIO pins via SH1.0 connector for flexible project integration
- Low Power Consumption: Supports flexible clock and module power supply independent setting with various controls to realize low power consumption in different scenarios, integrated with USB serial port full-speed controller and GPIO pins for flexible pin function configuration
Is the Freescale P1022 still available?
The 2009 announcement said samples were expected in early 2010 and listed a suggested resale price of $42.41 in quantities of 10,000. Those are historical launch details, not evidence of present-day stock or pricing. The available information does not establish current distributor availability or a verified retail listing.
For a new design or replacement project, verify lifecycle status, documentation and supply directly with NXP or an authorized embedded distributor before committing to the part.
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