W5300 datasheet(62/128 Pages) WIZNET

62 / 128 page

Ex1) TMSSUM = 72, RMSSUM = 56

As 72 / 8 = 9, from MB0 to MB8 are set as TX memory.

MTYPER(0x08030/0x030)

MTYPER0(0x08030/0x030)

MTYPER1(0x08031/0x031)

0x01

0xFF

Ex2) TMSSUM = 128, RMSSUM = 0

MTYPER(0x08030/0x030)

MTYPER0(0x08030/0x030)

MTYPER1(0x08031/0x031)

0xFF

Ex3) TMSSUM = 0, RMSSUM = 128

MTYPER(0x08030/0x030)

MTYPER0(0x08030/0x030)

MTYPER1(0x08031/0x031)

0x00

PATR (PPPoE Authentication Type Register) [R] [0x08032/0x032] [0x0000]

It notifies authentication method negotiated with PPPoE server.

W5300 supports 2 types of authentication methods.

Value

Authentication method

0xC023

PAP

0xC223

CHAP

Ex)

PATR = ‘CHAP’

PATR(0x08032/0x032)

PATR0(0x08032/0x032)

PATR1(0x08033/0x033)

0xC2

0x23

PTIMER(PPP Link Control Protocol Request Timer Register)[R/W][0x08036/0x036][0x--28]

It configures transmitting timer of link control protocol (LCP) echo request. Value 1 is about

25ms.

Ex) PTIMER = 200 (200 * 25ms = 5000ms = 5s)

PTIMER(0x08036/0x037)

PTIMER0(0x08036/0x036)

PTIMER1(0x08037/0x037)

Reserved

200 (0xC8)

W5300 Datasheet(PDF) 62 Page - WIZnet Co., Ltd

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