MPC8280 datasheet(580/1386 Pages) FREESCALE

Part #	MPC8280

Description	PowerQUICC??II Family Reference Manual

PDF	1386 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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580 / 1386 page

Serial Interface with Time-Slot Assigner

MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

15-2

Freescale Semiconductor

Figure 15-1. SI Block Diagram

If the TSA is not used as intended, it can be used to generate complex wave forms on dedicated output

pins. For instance, it can program these pins to implement stepper motor control or variable-duty cycle and

period control on-the-fly.

Time-Slot

Assigner (TSA)

TDM A, B, C, D

Pins

Strobes

Route

SI RAM

Tx/Rx

RAM

Control

Mode

TDM A, B, C, D

Command

Status

SMC1 SMC2 SCC1 SCC2 SCC3 SCC4 MII1/

MII2/

MUX

MII3

To: SMC1 SMC2 SCC1 SCC2 SCC3 SCC4 FCC1 FCC2 FCC3

Multi-Channel

Peripheral Bus

Nonmultiplexed Serial Interface (NMSI) Pins

Channel #

Controllers

Shadow

Clock

Route

RAM

Address

UTOPIA UTOPIA

161

CPM Mux

MUX

(MCCs)

Notes

The CPM mux and the MCCs are not part of the SI. (See their chapters for details.)

1 Not available on the MPC8270.

MPC8280 Datasheet(PDF) 580 Page - Freescale Semiconductor, Inc

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