參數(shù)資料
型號: CP2201-GM
廠商: Silicon Laboratories Inc
文件頁數(shù): 23/108頁
文件大?。?/td> 0K
描述: IC ETH CTRLR SNGL-CHIP 28QFN
標準包裝: 73
控制器類型: 以太網(wǎng)控制器,MAC/10Base-T
接口: 并行/串行
電源電壓: 3.1 V ~ 3.6 V
電流 - 電源: 75mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 28-QFN(5x5)
包裝: 管件
產(chǎn)品目錄頁面: 627 (CN2011-ZH PDF)
配用: 336-1326-ND - KIT REF DESIGN PWR OVER ETHERNET
336-1316-ND - KIT EVAL FOR CP2201 ETH CTRLR
其它名稱: 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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