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LAN9217_07 参数 Datasheet PDF下载

LAN9217_07图片预览
型号: LAN9217_07
PDF下载: 下载PDF文件 查看货源
内容描述: 16位高性能单芯片10/100以太网控制器与HP Auto-MDIX的 [16-bit High-Performance Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX]
分类和应用: 控制器以太网局域网(LAN)标准
文件页数/大小: 137 页 / 1566 K
品牌: SMSC [ SMSC CORPORATION ]
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16-bit High-Performance Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX  
Datasheet  
Table 2.6 MII Interface Signals  
PIN  
NO.  
BUFFER  
TYPE  
NUM  
PINS  
NAME  
SYMBOL  
DESCRIPTION  
31  
Management Data  
Clock  
MDC  
O8 (PD)  
1
Management Data Clock: When  
SMI_SEL = 1, this pin is the MII  
management data clock. When  
SMI_SEL=0, this pin is driven low.  
Note:  
See Section 5.3.9,  
"HW_CFG—Hardware  
Configuration Register" for  
more information on  
SMI_SEL.  
Note 2.2 Pins RXD[3:1] provide internal pull-down resistors to prevent these pins from floating when  
unused. RXD0 (pin 75) does not provide an internal pull-down resistor. This pin must be  
pulled or driven to a valid state at all times.  
Note 2.3 The external SMI port is selected when SMI_SEL = 1. When SMI_SEL = 0, MDIO is tri-  
stated and MDC is driven low.  
2.1  
Buffer Types  
Table 2.7 Buffer Types  
TYPE  
DESCRIPTION  
Input pin  
I
Schmitt triggered Input  
IS  
Output with 12mA sink and 12mA source  
Open-drain output with 12mA sink  
I/O with 8mA symmetrical drive  
Open-drain output with 8mA sink  
Output 8mA symmetrical drive  
50uA (typical) internal pull-up  
50uA (typical) internal pull-down  
Analog input  
O12  
OD12  
IO8  
OD8  
O8  
PU  
PD  
AI  
Analog output  
AO  
Analog bi-directional  
AIO  
ICLK  
OCLK  
Crystal oscillator input pin  
Crystal oscillator output pin  
SMSC LAN9217  
21  
Revision 1.8 (06-06-07)  
DATASHEET