Product Details
Description The PDIUSBD12 is a cost and feature optimized USB device. It is normally used in microcontroller based systems and communicates with the system microcontroller over the high-speed general purpose parallel interface. It also supports local DMA transfer. Features ■ Complies with the Universal Serial Bus specification Rev. 2.0 (basic speed) ■ High performance USB interface device with integrated SIE, FIFO memory, transceiver and voltage regulator ■ Compliant with most Device Class specifications ■ High-speed (2 Mbytes/s) parallel interface to any external microcontroller or microprocessor ■ Fully autonomous DMA operation ■ Integrated 320 bytes of multi-configuration FIFO memory ■ Double buffering scheme for main endpoint increases throughput and eases real-time data transfer ■ Data transfer rates: 1 Mbytes/s achievable in Bulk mode, 1 Mbits/s achievable in Isochronous mode ■ Bus-powered capability with very good EMI performance ■ Controllable LazyClock output during suspend ■ Software controllable connection to the USB bus (SoftConnect™) ■ Good USB connection indicator that blinks with traffic (GoodLink™) ■ Programmable clock frequency output ■ Complies with the ACPI, OnNOW and USB power management requirements ■ Internal Power-on reset and low-voltage reset circuit ■ Available in SO28 and TSSOP28 pin packages ■ Full industrial grade operation from −40 to +85 °C ■ Higher than 8 kV in-circuit ESD protection lowers cost of extra components ■ Full-scan design with high fault coverage (>99%) ensures high quality ■ Operation with dual voltages: 3.3 ±0.3 V or extended 5 V supply range of 4.0 to 5.5 V ■ Multiple interrupt modes to facilitate both bulk and isochronous transfers. |
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