参数资料
型号: KSZ8864RMN
厂商: Micrel Inc
文件页数: 17/111页
文件大小: 0K
描述: IC ETHERNET SW 4PORT 64QFN
标准包装: 348
控制器类型: 以太网开关控制器
接口: MII,RMII
电源电压: 1.8V,2.5V,3.3V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-QFN(8x8)
包装: 托盘
配用: 576-3869-ND - BOARD EVALUATION FOR KSZ8864RMN
其它名称: 576-3787
KSZ8864RMN-ND
Micrel, Inc.
KSZ8864RMN
April 2012
13
M9999-043012-1.5
Pin Description (Continued)
Pin Number
Pin Name
Type
(1)
Port
Pin Function
(2)
MAC4 Switch SW4-MII enabled with PHY mode or MAC mode, have to configure
SCONF1 Pin 47 with SCONF0 Pin 48 together.
See pins configuration table below:
Pin# (47,48)
Port 4 Switch MAC4
SW4- MII
00 (Default)
SW4-MII PHY mode
01
Disabled
10
Disabled
47
SCONF1
IPD
11
SW4-MII MAC mode
48
SCONF0
IPD
Port 4 Switch SW4-MII enabled with PHY mode or MAC mode, have to configure
SCONF0 pin 48 with SCONF1 Pin 47 together.
See Pin 47 description.
49
P2LED1
IPU/O
2
LED indicator for Port 2.
This pin has to be pulled down by 1K resistor in the design for KSZ8864RMN.
50
P2LED0
IPU/O
2
LED indicator for Port 2.
Strap option: Switch MAC3 used only.
PU (default) = Select MII interface for the Switch MAC3 SW3-MII.
PD = Select RMII interface for the Switch MAC3 SW3-RMII.
51
P1LED1
IPU/O
1
LED indicator for Port 1.
Strap option: Switch RMII used only.
PU (default) = Select the device as clock mode, when use RMII interface, all
clock source come from pin x1/x2 crystal 25MHz.
PD = Select the device as normal mode when use RMII interface. All clock
source comes from SW4-RMII SM4TXC pin with an external input 50MHz clock.
In the normal mode, the 25MHz crystal clock from pin X1/X2 doesn’t take affect
and should disable SW4-RMII SW4RXC 50MHz clock output by the register 87.
The normal mode is used when SW4-RMII receive an external 50MHz RMII
reference clock from pin SM4TXC.
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