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A Queued Serial Peripheral Interface (QSPI; different to but has same abbreviation as Quad SPI described in § Quad SPI) is a type of SPI controller that uses a data queue to transfer data across an SPI bus. [19] It has a wrap-around mode allowing continuous transfers to and from the queue with only intermittent attention from the CPU.
The quad serial gigabit media-independent interface (QSGMII) is a method of combining four SGMII lines into a 5 Gbit/s interface. QSGMII, like SGMII, uses low-voltage differential signaling (LVDS) for the TX and RX data, and a single LVDS clock signal. QSGMII uses significantly fewer signal lines than four separate SGMII connections.
Windows Embedded Compact 7 is a real-time OS, separate from the Windows NT line, and is designed to target enterprise specific tools such as industrial controllers and consumer electronics devices such as digital cameras, GPS systems and also automotive infotainment systems.
Devices implementing SPI are typically specified with line rates of 700~800 Mbit/s and in some cases up to 1 Gbit/s. The latest version is SPI 4 Phase 2 also known as SPI 4.2 delivers bandwidth of up to 16 Gbit/s for a 16 bit interface. The Interlaken protocol, a close variant of SPI-5 replaced the System Packet Interface in the marketplace.
The SPI-5 standard (which describes up to Ultra-640) deprecates single-ended devices, so some devices may not be electrically backward compatible. Some host adapters offer compatibility using a SCSI bridge to electrically split the bus into an SE and an LVD half, so LVD devices can operate at full speed. [ 11 ]
In 1976 Motorola switched the MC6800 family to a depletion-mode technology to improve the manufacturing yield and to operate at a faster speed. The Peripheral Interface Adapter had a slight change in the electrical characteristics of the I/O pins so the MC6820 became the MC6821. [1]
Windows 95, Windows 98, Windows Me, [61] Windows XP and Windows Server 2003 include native support for IEEE 1394 networking. [62] Windows 2000 does not have native support but may work with third party drivers. A network can be set up between two computers using a single standard FireWire cable, or by multiple computers through use of a hub.
The RK3188 features a quad-core ARM Cortex-A9 clocked up to 1.6 GHz frequency. [40] [41] It is targeted at tablets and Android TV dongles and boxes, [29] and has been a popular choice for both tablets and other devices requiring good performance. 28 nm HKMG process [41] at GlobalFoundries [42] Quad-core ARM Cortex-A9, up to 1.6 GHz; 512 KB L2 ...