SPEAR320-2
STMicroelectronics
SPEAR320-2
STMicroelectronics
IC MPU SPEAR 333MHZ 289LFBGA
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Product details
STMicroelectronics's SPEAR320-2 redefines power efficiency in the Embedded - Microprocessors segment, crafted for energy-harvesting IoT endpoints. This ultra-low-power microprocessor combines near-threshold voltage operation with intelligent power gating, achieving microampere-level standby currents for decade-long battery life in wireless sensor nodes.The ARM926EJ-S ultra-low-power core maintains full register retention at subthreshold voltages, enabling seamless operation from energy harvesting sources.Designed with 1 Core, 32-Bit configuration, the processor optimizes power distribution across multiple low-power domains.Operating at 333MHz in burst modes, the device balances performance and power consumption for intermittent computing applications.The Security; C3 sensor hub offloads signal processing tasks at microamp current levels.The LPDDR, DDR2 memory architecture implements state-retentive power gating for zero-leakage data preservation during sleep modes.No display controller operates with adaptive refresh rates to minimize power consumption in e-paper applications.LCD, Touchscreen interfaces support direct connection to ultra-low-power displays common in wearable devices.10/100Mbps (3) PHY includes energy-efficient Ethernet support for green networking applications.The USB 2.0 + PHY (3) interface implements low-power link states while maintaining instant wake-on-connect functionality.3.3V flexible I/O banks allow direct interfacing with energy harvesting circuits without level shifters.Specified for -40°C ~ 85°C (TC) operation, the processor maintains functionality in environmental monitoring applications.Power-optimized Cryptography include cryptographic accelerators with minimal energy overhead for secure IoT communications.The 289-LFBGA package minimizes thermal mass for rapid wake-up from deep sleep states.Offered in 289-LFBGA, the device supports thin-film battery integration in wearable designs.
Product Attributes
- Product Status: Obsolete
- Core Processor: ARM926EJ-S
- Number of Cores/Bus Width: 1 Core, 32-Bit
- Speed: 333MHz
- Co-Processors/DSP: Security; C3
- RAM Controllers: LPDDR, DDR2
- Graphics Acceleration: No
- Display & Interface Controllers: LCD, Touchscreen
- Ethernet: 10/100Mbps (3)
- SATA: -
- USB: USB 2.0 + PHY (3)
- Voltage - I/O: 3.3V
- Operating Temperature: -40°C ~ 85°C (TC)
- Security Features: Cryptography
- Package / Case: 289-LFBGA
- Supplier Device Package: 289-LFBGA
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