R2880

R

R

FAST ETHERNET RISC PROCESSOR

Specifications subject to change without notice, contact your sales representatives for the most update information.

Page 3 of 5

REV 1.0 Jun. 12 2007

2.

Block Diagram

8K-B yte

L1

Cache

RDC

RISC CPU

MAC 0

MAC 1

PIO Unit

16550 UART

Serial Port 0

16550 UART

Serial Port 1

DMA

Controller

Unit

UART1

MII 0

MII 1

Timer

Controller

Unit

Interrupt

Controller

Unit

Clock & Power

Management

Uuit

X1

X2

VCC

Reset Unit

Chip

Select

Unit

Ref resh

Control Unit

SDRAM/B us Interf ace

Unit

GND

RST_n

PCIRST_n

UCS_n

MCS_n

PCS0_n

PCS1_n

PCS2_n

PCS3_n

PCS5_n

PCS6_n

RAS_n

CAS_n

W E_n

BA[1:0]

DQMH

DQML

UART0

P CI Arbiter

P CI Master

P CI Target

P CI Configuration

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