Major operating modes, Block diagrams, 5 major operating modes – Maxim Integrated DS33Z41 User Manual

Page 13: 6 block diagrams, Figure 6-1. detailed block diagram

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DS33Z41 Quad IMUX Ethernet Mapper

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5 MAJOR OPERATING MODES

Operation of the DS33Z41 operation requires a host microprocessor for initialization and maintenance of the link
aggregation functions. Microprocessor control is possible through the 8-bit parallel control port. More information
on microprocessor control is available in Section

8.1

6 BLOCK DIAGRAMS

Figure 6-1. Detailed Block Diagram

MAC

RMII

MII

SDRAM

Interface

Buffer Dev

Div by 2,4,12

Output Clocks

25,50

Mhz

100 Mhz Oscillator

SYSCLKI

SDCLKO

Buffer

Div by 1,2,4,8,10

Output clocks:

50,25 Mhz,2.5 Mhz

50 or 25 Mhz Oscillator

TX_CLK1

RX_CLK1

TCLKI1

RCLKI1

REF_CLKO

50 or 25 Mhz

MDC

REF_CLK

SDRAM

HDLC

Serial

Interface

CIR

Line 1

Arbiter

X.86

TSER

RSER

RXD

TXD

Microport

JTAG

IMUX