MPC8306EC datasheet(6/76 Pages) FREESCALE

6 / 76 page

MPC8306 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 0

Freescale Semiconductor

Overview

—I2C1 can be used as the boot sequencer

•

DMA Engine

— Support for the DMA engine with the following features:

– Sixteen DMA channels

– All data movement via dual-address transfers: read from source, write to destination

– Transfer control descriptor (TCD) organized to support two-deep, nested transfer operations

– Channel activation via one of two methods (for both the methods, one activation per

execution of the minor loop is required):

– Explicit software initiation

– Initiation via a channel-to-channel linking mechanism for continuous transfers

(independent channel linking at end of minor loop and/or major loop)

– Support for fixed-priority and round-robin channel arbitration

– Channel completion reported via optional interrupt requests

— Support for scatter/gather DMA processing

•

DUART

— Two 2-wire interfaces (RxD, TxD)

– The same can be configured as one 4-wire interface (RxD, TxD, RTS, CTS)

— Programming model compatible with the original 16450 UART and the PC16550D

•

Serial peripheral interface (SPI)

— Master or slave support

•

Power management controller (PMC)

— Supports core doze/nap/sleep/ power management

— Exits low power state and returns to full-on mode when

– The core internal time base unit invokes a request to exit low power state

– The power management controller detects that the system is not idle and there are

outstanding transactions on the internal bus or an external interrupt.

•

Parallel I/O

— General-purpose I/O (GPIO)

– 56 parallel I/O pins multiplexed on various chip interfaces

– Interrupt capability

•

System timers

— Periodic interrupt timer

— Software watchdog timer

— Eight general-purpose timers

•

Real time clock (RTC) module

— Maintains a one-second count, unique over a period of thousand of years

— Two possible clock sources:

– External RTC clock (RTC_PIT_CLK)

MPC8306EC Datasheet(PDF) 6 Page - Freescale Semiconductor, Inc

MPC8306EC Datasheet(HTML) 6 Page - Freescale Semiconductor, Inc

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