W5300 datasheet(67/128 Pages) WIZNET

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W5300 Datasheet(PDF) 67 Page - WIZnet Co., Ltd

Part #	W5300

Description	High-Performance Internet Connectivity Solution

PDF	128 Pages

Scroll/Zoom	100%

Manufacturer	WIZNET [WIZnet Co., Ltd]

Direct Link	https://www.wiznet.io/ko/Product/

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67 / 128 page

P3_BDPTHR = 2048(0x0800)

P3_BDPTHR(0x0806E/0x06E)

P3_BDPTHR0(0x0806E/0x06E)

P3_BDPTHR1(0x0806F/0x06F)

0x08

0x00

When monitoring RX memory of SOCKETn wi

th ‘BRDYRn’, ‘BRDYRn’ timing is as below.

a. Sn_RX_RSR > Sn_BDPTHR detected

b. After

1 NIC_CLK, PIN ‘BRDYn’ is asserted high

c. Sn_RX_RSR is decreased by host' RX memory Read, and "Sn_RX_RSR < Sn_BDPTHR" is

detected.

d. After

1 NIC_CLK, PIN ‘BRDYn’ is de-asserted low.

Assert Time : Active Time of BRDYRn. It maintains during "Sn_RX_RSR > Sn_BDPTHR" (at least

80ns).

Fig 4

. ‘BRDYn’ Timing

IDR (Identification Register) [R] [0x080FE/0x0FF] [0x5300]

It notifies W5300's ID value.

IDR(0x080FE/0x0FE)

FMTUR0(0x080FE/0x0FE)

FMTUR1(0x080FF/0x0FF)

0x53

0x00

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