PEF20534H-10 - DMA Supported Serial Communication Controller with 4 Channels
1 Overview
The DSCC4 is a DMA Supported Serial Communication Controller with four independent
serial channels1). The serial channels are derived from updated protocol logic of the
ESCC device family providing a large set of protocol support and variety in serial
interface configuration. This allows easy integration to different environments and
applications.
A 33-MHz/32-bit PCI bus Master/Slave interface with integrated high performance DMA
controllers provides data transfer from or to host memory with low bus utilization and
easy software handshaking.
An additional de-multiplexed bus interface mode is provided for integration in non-PCI
bus environments with little glue-logic depending on the bus type.
The DMA Controller operates on linked lists which are optimized for data communication
applications. Different control mechanisms allow easy software development well
adapted to the needs of special applications.
Large onchip FIFOs in combination with enhanced threshold control mechanisms allow
decoupling of traffic requirements on host bus and serial interfaces with little exception
probabilities such as data underuns or overflows.
In a PCI bus application an integrated Local Bus Interface (LBI) provides bridging
functionality to non PCI peripherals such as framers or line interface units (LIUs).
A Synchronous Serial Control (SSC) interface as well as a General Purpose Port (GPP)
allows covering application specific requirements without additional controllers.
Each of the four Serial Communication Controllers (SCC) contains an independent Baud
Rate Generator, DPLL, programmable protocol processing (HDLC, BISYNC, ASYNC
and PPP). Data rates of up to 2 Mbit/s (DPLL assisted modes, ASYNC, BISYNC),
10 Mbit/s (HDLC, PPP) and 52 Mbit/s (H-52 version) are supported. The channels can
also handle a large set of layer-2 protocol functions reducing bus and host CPU load.
Four channel specific timers are provided to support protocol functions.
The DSCC4 devices can be used in LAN-WAN inter-networking applications such as
Routers, Switches and Trunk cards and support the common V.35, ISDN BRI (S/T) or
Asynchronous Dial-up interfaces. Its new features provide powerful hardware and
software interfaces to develop high performance systems.
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型號(hào) | 品牌 | 批號(hào) | 封裝 | 數(shù)量 | 備注 | 資料 |
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PEF22824EV1 | INFINEON | 13+ | BGA | 59888 | 100% brand new and original(100%全新原裝) | |
PEF22824 | INFINEON | 13+ | BGA | 59888 | 100% brand new and original(100%全新原裝) | |
PEF22825V1 | INFINEON | 13+RoHs | MQFP208 | 59888 | 100% brand new and original(100%全新原裝) | |
PEF22825 | INFINEON | 13+ | MQFP208 | 59888 | 100% brand new and original(100%全新原裝) |