DP83848NRTAR : Packet loss issue

Intellectual 445 points

Replies: 3

Views: 50

Hi,

Our customer have a packet loss issue at the field.

This application is IP Network Camera of Video Surveillance.

 -. Could I get you any advice and setting for clear this issue? and receive root cause?

Another question.

 -. Could I get some test guide and setting of this Phy chip for Ethernet Compliance test at 100Mbps & 10Mbps?

Below is register value.

* Normal Set

Setting : 100Mb

BCMR(0x00): 0x3100
BSMR(0x01): 0x786d
PHYIDR1(0x02): 0x2000
PHYIDR2(0x03): 0x5c90
ANAR(0x04): 0x5e1
ANLPAR(0x05): 0xc1e1
PHYSTS(0x10): 0x0f15
FCSCR(0x14): 0x0020
RECR(0x15): 0x0000
PCSR(0x16): 0x0100
RBR(0x17): 0x0021 
PHYCR(0x19): 0x8021
10BTSCR(0x1A): 0x0904
CDCTRL1(0x1B): 0x0000
EDCR(0x1D): 0x6011

* Abnormal Set

Setting : 100Mb

BCMR(0x00): 0x3100
BSMR(0x01): 0x786d
PHYIDR1(0x02): 0x2000
PHYIDR2(0x03): 0x5c90
ANAR(0x04): 0x5e1
ANLPAR(0x05): 0xc1e1
PHYSTS(0x10): 0x0f15
FCSCR(0x14): 0x0020
RECR(0x15): 0x0000
PCSR(0x16): 0x0100
RBR(0x17): 0x0025 <--> 0x0021 (Changed continuously) 
PHYCR(0x19): 0x8021
10BTSCR(0x1A): 0x0904
CDCTRL1(0x1B): 0x0000
EDCR(0x1D): 0x6011

Pls let me know If you have any request.

I'm looking forward to receiving your quick and good response.

Best Regards,

Michael

3 Replies