参数资料
型号: DP83848CVV/NOPB
厂商: National Semiconductor
文件页数: 51/86页
文件大小: 0K
描述: IC TXRX ETHERNET PHYTER 48-LQFP
产品培训模块: PHYTER® Family
标准包装: 250
类型: 收发器
驱动器/接收器数: 1/1
规程: 以太网
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
产品目录页面: 1276 (CN2011-ZH PDF)
配用: DP83848C-POE-EK-ND - BOARD EVALUATION DP83848C
DP83848C-MAU-EK-ND - BOARD EVALUATION DP83848C
其它名称: *DP83848CVV
*DP83848CVV/NOPB
DP83848CVV
DP83848CVVNOPB
DP83848CVVNOPB-ND
DP83848CVVNOPBTR
DP83848CVVNOPBTR-ND
www.national.com
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7.2.4 False Carrier Sense Counter Register (FCSCR)
This counter provides information required to implement the “False Carriers” attribute within the MAU managed object
class of Clause 30 of the IEEE 802.3u specification.
7.2.5 Receiver Error Counter Register (RECR)
This counter provides information required to implement the “Symbol Error During Carrier” attribute within the PHY man-
aged object class of Clause 30 of the IEEE 802.3u specification.
Table 24. False Carrier Sense Counter Register (FCSCR), address 0x14
Bit
Bit Name
Default
Description
15:8
RESERVED
0, RO
RESERVED: Writes ignored, Read as 0
7:0
FCSCNT[7:0]
0, RO / COR
False Carrier Event Counter:
This 8-bit counter increments on every false carrier event. This
counter sticks when it reaches its max count (FFh).
Table 25. Receiver Error Counter Register (RECR), address 0x15
Bit
Bit Name
Default
Description
15:8
RESERVED
0, RO
RESERVED: Writes ignored, Read as 0
7:0
RXERCNT[7:0]
0, RO / COR
RX_ER Counter:
When a valid carrier is present and there is at least one occurrence
of an invalid data symbol, this 8-bit counter increments for each re-
ceive error detected. This event can increment only once per valid
carrier event. If a collision is present, the attribute will not incre-
ment. The counter sticks when it reaches its max count.
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