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PC87109VBE - PC87109VBE Advanced UART and Infrared Controller

Datasheet Summary

Description

The PC87109 is a serial communication device with infrared capability.

It supports 6 modes of operation and is backward compatible with the 16550 and 16450 (except for the MODEM control functions).

Features

  • s s s s s s s s s s s s s s s s s Compatible with 16550 and 16450 devices Extended UART mode Sharp-IR with selectable internal or external modulation IrDA 1.0 SIR with up to 115.2 Kbaud data rate IrDA 1.1 MIR and FIR with 0.576, 1.152 and 4.0 Mbps data rates Consumer Electronics IR mode UART mode data rates up to 1.5 Mbps Back-to-Back infrared frame transmission and reception Full duplex infrared frame transmission and reception Transmit deferral Automatic fallback to 16550 compatibility mode Se.

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Datasheet Details

Part number PC87109VBE
Manufacturer National Semiconductor
File Size 380.05 KB
Description PC87109VBE Advanced UART and Infrared Controller
Datasheet download datasheet PC87109VBE Datasheet
Additional preview pages of the PC87109VBE datasheet.

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Full PDF Text Transcription

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PC87109VBE Advanced UART and Infrared Controller Preliminary November 1997 PC87109VBE Advanced UART and Infrared Controller General Description The PC87109 is a serial communication device with infrared capability. It supports 6 modes of operation and is backward compatible with the 16550 and 16450 (except for the MODEM control functions). The operational modes are: UART, Sharp-IR, IrDA 1.0 SIR, IrDA 1.1 MIR and FIR, and Consumer Electronics IR (also referred to as TV Remote or Consumer Remote Control). In order to support existing legacy software based upon the 16550 UART, the PC87109 provides a special fallback mechanism that automatically switches the device to 16550 compatibility mode when the baud generator divisor is accessed through the legacy ports in bank 1.
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