Electronic Components Datasheet Search |
|
KSZ8721SL Datasheet(PDF) 7 Page - Micrel Semiconductor |
|
KSZ8721SL Datasheet(HTML) 7 Page - Micrel Semiconductor |
7 / 33 page May 2004 7 M9999-051704 KS8721BL/SL Micrel Pin Number Pin Name Type(1) Pin Function 19 TXD2 Ipd MII Transmit Data Input. 20 TXD3 Ipd MII Transmit Data Input. 21 COL/RMII Ipd/O MII Collision Detect Output. During reset, the pull-up/pull-down value is latched as RMII select. See “Strapping Options” section for details. 22 CRS/ Ipd/O MII Carrier Sense Output. RMII_BTB During reset, the pull-up/pull-down value is latched as RMII back-to-back mode when RMII mode is selected. See “Strapping Options” section for details. 23 GND GND Ground. 24 VDDIO P Digital IO 2.5/3.3V tolerant power supply. 3.3V power input of voltage regulator. See “Circuit Design Ref. for Power Supply” section for details. 25 INT#/ Ipu/O Management Interface (MII) Interrupt Out. Interrupt level set by PHYAD0 Register 1f, bit 9. During reset, latched as PHYAD[0]. See “Strapping Options” section for details. 26 LED0/TEST Ipu/O Link/Activity LED Output. The external pull-down enable test mode and only used for the factory test. Active low. Link/Act Pin State LED Definition PHYAD0 No Link H “Off” Link L “On” Act —“Toggle” 27 LED1/ Ipu/O Speed LED Output. Latched as SPEED (Register 0, bit 13) during power-up/ SPD100/ reset. See “Strapping Options” section for details. Active low. nFEF Speed Pin State LED Definition 10BT H “Off” 100BT L “On” 28 LED2/ Ipu/O Full-duplex LED Output. Latched as DUPLEX (register 0h, bit 8) during power-up/ reset. See “Strapping DUPLEX Options” section for details. Active low. Duplex Pin State LED Definition Half H “Off” Full L “On” 29 LED3/ Ipu/O Collision LED Output. Latched as ANEG_EN (register 0h, bit 12) during power-up/ NWAYEN reset. See “Strapping Options” section for details. Collison Pin State LED Definition No Collision H “Off” Collision L “On” 30 PD# Ipu Power Down. 1 = Normal operation, 0 = Power-down. Active low. Notes: 1. P = Power supply. GND = Ground. I = Input. I/O = Bidirectional. Ipd = Input w/ internal pull-down. Ipd/O = Input w/ internal pull-down during reset, output pin otherwise. Ipu = Input w/ internal pull-up. Ipu/O = Input w/ internal pull-up during reset, output pin otherwise. O = Output. |
Similar Part No. - KSZ8721SL |
|
Similar Description - KSZ8721SL |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |