I/O Device

Tews TPMC362
PMC	PowerPC	v. 4.0
Multiport Serial I/O

The TPMC362 is a conduction-cooled single-width 32-bit PMC with four high-speed serial data communication channels.

An Infineon PEF 20534 DMA Supported Serial Communication Controller (DSCC4) with integrated bus master PCI interface is used.

Several interrupt sources can generate interrupts on INTA for each channel. Interrupts can be enabled and disabled separately.

A 14.7456 MHz oscillator provides standard asynchronous baud rates. An additional 24 MHz oscillator is provided for other baud rates. A 10 MHz oscillator is used for the maximum synchronous baud rate of 10Mbit.

Each channel can support many serial communication protocols such as HDLC, SDLC, PPP, asynchronous, monosynchronous, bisynchronous.

Multiprotocol transceivers are used for the line interface. The physical interface can be selected by software individually for each channel as EIA-232, EIA-422, EIA-449, EIA-530, EIA-530A, V.35, V.36 or X.21.

The TPMC362 supports Receive Data (RxD +/-), Transmit Data (TxD +/-), Receive Clock (RxC +/-), Transmit Clock (TxC +/-), Ready-To-Send (RTS +/-), Clear-To-Send (CTS +/-), Carrier-Detect (CD +/-) and GND for each channel.

The DSCC4 contains a central receive and transmit FIFO of 128 long words (32 bit) each. Additionally each channel has a receive FIFO (17 long-words deep) and a transmit FIFO (8 long-words deep).

The TPMC362 provides rear-panel I/O via P14.

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