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TLA-7T101LF 데이터시트(PDF) 11 Page - Micrel Semiconductor |
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TLA-7T101LF 데이터시트(HTML) 11 Page - Micrel Semiconductor |
11 / 56 page Micrel, Inc. KSZ9021RL/RN October 2009 11 M9999-101309-1.1 Pin Number Pin Name Type (1) Pin Function 21 LED1 / PHYAD0 I/O LED Output: Programmable LED1 Output / Config Mode: The pull-up/pull-down value is latched as PHYAD[0] during power-up / reset. See “Strapping Options” section for details. The LED1 pin is programmed by the LED_MODE strapping option (pin 55), and is defined as follows. Single LED Mode Activity Pin State LED Definition No Activity H OFF Activity (RX, TX) Toggle Blinking Tri-color Dual LED Mode Pin State LED Definition Link / Activity LED2 LED1 LED2 LED1 Link off H H OFF OFF 1000 Link / No Activity L H ON OFF 1000 Link / Activity (RX, TX) Toggle H Blinking OFF 100 Link / No Activity H L OFF ON 100 Link / Activity (RX, TX) H Toggle OFF Blinking 10 Link / No Activity L L ON ON 10 Link / Activity (RX, TX) Toggle Toggle Blinking Blinking For Tri-color Dual LED Mode, LED1 works in conjunction with LED2 (pin 19) to indicate 10 Mbps Link and Activity. 22 DVDDL P 1.2V digital VDD 23 VSS Gnd Digital ground 24 TXD0 I RGMII Mode: RGMII TD0 (Transmit Data 0) Input 25 TXD1 I RGMII Mode: RGMII TD1 (Transmit Data 1) Input 26 TXD2 I RGMII Mode: RGMII TD2 (Transmit Data 2) Input 27 TXD3 I RGMII Mode: RGMII TD3 (Transmit Data 3) Input 28 VSS Gnd Digital ground 29 DVDDL P 1.2V digital VDD 30 DVDDH P 3.3V / 2.5V digital VDD 31 TX_ER I RGMII Mode: This pin is not used and should be left as a no connect. 32 GTX_CLK I RGMII Mode: RGMII TXC (Transmit Reference Clock) Input 33 TX_EN I RGMII Mode: RGMII TX_CTL (Transmit Control) Input 34 VSS Gnd Digital ground 35 DVDDL P 1.2V digital VDD |
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