TPS63000DRCR DataSheet
DATASHEET
TPS63000DRCR 描述
1. Typical characteristics are at TA = 25oC. 2. These are absolute values with respect to device ground and all overshoots due to system or tester notice are included. 3. Fmax = 1/tRC . 4. IccSB1(Max.) is 0.5uA/1.3uA at Vcc=2.0V/3.0V and TA=70oC. 5. VIL = -1.5V for pulse width less than 30ns
TPS63000DRCR 特点
The PC87108 is a serial communications device with infra- red capability It supports 6 modes or operation and is back- ward compatible with the 16550 and 16450 The operational modes are UART Sharp-IR IrDA 1 0 SIR IrDA 1 1 MIR and FIR and Consumer Remote Control (commonly referred to as TV Remote) Two methods are provided to access the internal registers an internal 16-bit address decoder or an externally generat- ed chip select in combination with an internal 4-bit address decoder are used to generate the internal register select When the internal 16-bit address decoder is used any one of four PC COMM port legacy addresses can be selected as the base address In order to support existing legacy software using the 16550 UART the PC87108 provides a special fallback mechanism that automatically switches the device to 16550 compatibil- ity mode when the standard baud generator divisor registers are accessed The device architecture has been optimized to meet the requirements of a variety of UART and infrared based appli- cations DMA support for all operational modes has been incorporated into the architecture Routing for interrupt and DMA handshake signals is provided to meet Plug-and-Play as well as PC95 requirements The device can use either 1 or 2 DMA channels One chan- nel is required for infrared based applications since infrared communications work in half duplex fashion Two channels would normally be needed to handle high-speed full duplex UART based applications To further ease driver design and simplify the implementa- tion of infrared protocols a 12-bit timer with 1 ms resolution has also been included
TPS63000DRCR 应用
Technical/Catalog InformationTPS63000DRCRVendorTexas Instruments (VA)CategoryIntegrated Circuits (ICs) Type
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9113
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From this point of view, this architecture looks