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DM6383F Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers |
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4 / 40 page DM336P V.34 Integrated Data/ Fax/Voice/Speakerphone Modem Device Set 4 Final Version: DM336P-DS-F02 August 15, 2000 • Chip 1 : DM6383 Modem Controller Unit With PnP For ISA (MCU) DM6383 Description The DM6383 Modem Control Unit (MCU) is designed for use in high speed internal and external modem applications. Its interface is compatible with the DM6381/DM6382 Transmit and Receive Digital Signal Processor Chipset. The DM6383 incorporates a micro-controller 80C31, virtual 16550A UART (with FIFO mode), I/O and Plug & Play control logic. The DM6383 MCU performs the general modem control functions. It is also designed to provide Plug and Play capability for ISA bus systems by implementing PnP control logic. The PnP logic supports hardware & software selectable options to allow users to configure the internal modem card without jumpers. DM6383 Block Diagram 8031 Micro-Controller I/O Control Logic Virtual 16550 UART PC Data Bus IRQ & R/W Control RS 232 Interface Mode Selection External ROM, RAM Interface Modem Control Interface PC Address Bus PnP Control Logic DM6383 Features • Control interface support • Supports parallel and serial interfaces • Includes a micro-controller 80C31 • Maximum access 128K bytes external program memory • Maximum access 64K bytes external data memory • Provides automatic configuration capability to Industry • Configuration selectable by software • Interrupt lines selectable • I/O base conflict avoidable • Includes a virtual 16550A UART compatible parallel interface • Fully programmable serial interface: - 6-, 7- or 8-bit characters - Even, odd, or no-parity bit generation and detection - 1 and 2 stop bit generation - Baud rate generation • Includes I/O control logic for modem control interface |
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