PC87108 NSC | Alldatasheet
Document overview
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Technical content
Features
Y Fully compatible with 16550 and 16450 devices Y Enhanced UART mode Y Sharp-IR with selectable internal or external modulation Y IrDA 1.0 SIR with up to 115.2 kbps data rate Y IrDA 1.1 MIR and FIR with 1.152 and 4.0 Mbps data rates Y Consumer remote control mode Y UART mode baud rates up to 1.5 Mbps Y Back-to-back infrared frame transmission and reception Y Full duplex infrared capability for diagnostics Y Transmit deferral Y Automatic fallback to 16550 compatibility mode Y IrDA modes pipelining Y Selectable 16 or 32 level FIFOs Y Multiple optical transceiver support Y Automatic or manual transceiver configuration Y 12-bit timer for infrared protocol support Y 4 general purpose I/O pins Y Interrupt signal routing to 1 of 7 output pins Y DMA handshake signal routing for either 1 or 2 channels Y Full 16-bit address decode Y Selectable base address or chip select mode Y Power management support Y 3.3V and 5V operation Y ISA compatible interface Y 80-pin PQFP or TQFP package Block Diagram TL/XX/0249–1 C1996 National Semiconductor Corporation RRD-B30M66/Printed in U. S. A.
PC87108 Advanced UART and Infrared Controller
1.0 Pin Description
1.1 CONNECTION DIAGRAM
TL/XX/0249–2 FIGURE 1-2. Connection Diagram for the PC87108 in a Plastic Quad Flatpak, EIAJ LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life systems which, (a) are intended for surgical implant support device or system whose failure to perform can into the body, or (b) support or sustain life, and whose be reasonably expected to cause the failure of the life failure to perform, when properly used in accordance support device or system, or to affect its safety or with instructions for use provided in the labeling, can effectiveness. be reasonably expected to result in a significant injury to the user. National Semiconductor National Semiconductor National Semiconductor National Semiconductor Corporation Europe Hong Kong Ltd. Japan Ltd.
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