EP9312 Datasheet, PDF (11/62 Pages) Cirrus Logic – Universal Platform System-on-chip Processor

EP9312
Universal Platform SOC Processor
Hardware Debug Interface
The JTAG interface allows use of ARM’s Multi-ICE or
other in-circuit emulators.
Table R. Hardware Debug Interface
Pin Mnemonic
Pin Name - Description
TCK
TDI
TDO
TMS
TRSTn
JTAG Clock
JTAG Data In
JTAG Data Out
JTAG Test Mode Select
JTAG Port Reset
12-channel DMA Controller
The DMA module contains 12 separate DMA channels.
Ten of these may be used for peripheral-to-memory or
memory-to-peripheral access. Two of these are
dedicated to memory-to-memory transfers. Each DMA
channel is connected to the 16-bit DMA request bus.
The request bus is a collection of requests, Serial Audio
and UARTs. Each DMA channel can be used
independently or dedicated to any request signal. For
each DMA channel, source and destination addressing
can be independently programmed to increment,
decrement, or stay at the same value. All DMA
addresses are physical, not virtual addresses.
Internal Boot ROM
The Internal 16 Kbyte ROM allows booting from FLASH
memory, SPI or UART. Consult the EP93xx User’s Guide
for operational details.
DS515PP7
©Copyright 2005 Cirrus Logic (All Rights Reserved)
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