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Tiny low-power FPGAs
25 November 2015, Programmable Logic
For feature-rich consumer mobile and industrial handheld devices, Lattice Semiconductor rolled out the iCE40 UltraLite FPGA family. The highly integrated devices deliver a flexible logic architecture, programmable I/Os, and hardened IPs and LED drivers.
Available in densities of 640 or 1K logic cells, the FPGAs come equipped with up to 56 Kbits sysMEM Embedded Block RAM (EBR) to work with user logic, and feature two on-chip oscillators: a 9,7 kHz LFOSC and a 48 MHz HFOSC. The LFOSC is ideally suited for always-on, low-power applications while the HFOSC can be used for wakeup activities.
The iCE40 UltraLite devices come with a hardened RGB PWM IP and three user-configurable, 24 mA constant-current RGB drive outputs. An on-chip 400 mA current drive IR LED output provides a direct interface to an external LED for IrDA functionality. The 100 mA barcode emulation driver output provides a direct interface for applications such as barcode scanning, while the IR LED output and learning mode capabilities can be used to drive applications such as TV remote controls.
The FPGAs achieve flexible, reliable and secure SRAM memory configuration through a standard SPI interface and internal non-volatile configuration memory. Since the memory configuration can be stored in non-volatile (one-time programmable) on-chip memory, no external configuration memory or circuitry is required. For more information contact Marian Ledgerwood, Future Electronics, +27 (0)21 421 8292, marian.ledgerwood@futureelectronics.com, www.futureelectronics.com |
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Further reading:
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