5220-DS02-R datasheet(69/90 Pages) BOARDCOM

Part #	5220-DS02-R

Description	10/100BASE-TX/FX Mini Transceiver

PDF	90 Pages

Scroll/Zoom	100%

Manufacturer	BOARDCOM [Broadcom Corporation.]

Direct Link	http://www.broadcom.com

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69 / 90 page

Preliminary Data Sheet

BCM5220

04/20/04

Broa d c om Co rp o r a t i o n

Document

5220-DS04-405-R

Auxiliary Status 4 Register (Shadow Register)

Page 57

FIFO Size Select [3:0]

The BCM5220 indicates the current selection of receive FIFO size using bit 3 through 0 as shown in Table 35.

AUXILIARY STATUS 4 REGISTER (SHADOW REGISTER)

Packet Length Counter [15:0]

The BCM5220 shows the number bytes in the last packet received. This is valid only when a valid link is established.

Table 35: Current Receive FIFO Size

FIFO Size Select [3:0]

Receive FIFO Size in Use

(# of bits)

0001

0010

0011

0100

0101

0110

0111

1000

1001

1010

1011

1100

1101

Table 36: Auxiliary Status 4 Register (Shadow Register 30d, 1Eh)

BIt

Name

R/W

Description

Default

15:0

Packet Length Counter[15:0]

R/O

Number of bytes in the last received packet

0000h

5220-DS02-R Datasheet(PDF) 69 Page - Broadcom Corporation.

5220-DS02-R Datasheet(HTML) 69 Page - Broadcom Corporation.

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