参数资料
型号: CP2201-GM
厂商: Silicon Laboratories Inc
文件页数: 23/108页
文件大小: 0K
描述: IC ETH CTRLR SNGL-CHIP 28QFN
标准包装: 73
控制器类型: 以太网控制器,MAC/10Base-T
接口: 并行/串行
电源电压: 3.1 V ~ 3.6 V
电流 - 电源: 75mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-VFQFN 裸露焊盘
供应商设备封装: 28-QFN(5x5)
包装: 管件
产品目录页面: 627 (CN2011-ZH PDF)
配用: 336-1326-ND - KIT REF DESIGN PWR OVER ETHERNET
336-1316-ND - KIT EVAL FOR CP2201 ETH CTRLR
其它名称: 336-1313
CP2200/1
Rev. 1.0
21
6.5. LED Control
The CP2200/1 can be used to control link status and activity LEDs. The CP2200 (48-pin TQFP) has two push-pull
LED drivers that can source up to 10 mA each. The CP2201 (28-pin QFN) has a single push-pull LED driver that
turns the LED on or off based on the link status and blinks the LED when activity is detected on a good link. Table 9
shows the function of the LED signals available on the CP2200/1.
Figure 12 shows a typical LED connection for the CP2200. The CP2201 uses an identical connection for the LA
(link/activity) pin. The LED drivers are enabled and disabled using the IOPWR register on page 45.
Figure 12. LED Control Example (CP2200)
Table 9. LED Control Signals
Signal
Device
Description
LINK
CP2200
Asserted when valid link pulses are detected.
ACT
CP2200
Asserted for 50 ms for each packet transmitted or received.
LA
CP2201
Asserted when valid link pulses are detected and toggled for 50 ms for
each packet transmitted or received.
LINK
ACT
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