参数资料
型号: KSZ8873FLL
厂商: Micrel Inc
文件页数: 25/115页
文件大小: 0K
描述: IC ETHERNET SW 3PORT 64LQFP
产品培训模块: KSZ8873 Ethernet Switches
特色产品: KSZ8873 Ethernet Switch Controller
标准包装: 160
控制器类型: 以太网开关控制器
接口: MII
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-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
其它名称: 576-3631
KSZ8873FLL-ND
Micrel, Inc.
KSZ8873MLL/FLL/RLL
September 20, 2013
17
Revision 1.6
Pin Description and I/O Assignment (Continued)
Pin Number
Pin Name
Type
(1)
Description
60
P2LED1
Ipu/O
Port 2 LED Indicators:
Default: Speed (refer to Register 195 bit[5:4])
Strap option: Serial bus configuration
Port 2 LED Indicators:
Default: Link/Act. (refer to Register 195 bit[5:4])
Strap option: Serial bus configuration
Serial bus configuration pins to select mode of access to KSZ8873MLL/FLL/RLL
internal registers.
[P2LED1, P2LED0] = [0, 0] — I
2C master (EEPROM) mode
(If EEPROM is not detected, the KSZ8873MLL/FLL/RLL will be configured with the
default values of its registers and the values of its strap-in pins.)
Interface Signals
Type
Description
SPIQ
O
Not used (tri-stated)
SCL_MDC
O
I
2C clock
SDA_MDIO
I/O
I
2C data I/O
SPISN
I
Not used
[P2LED1, P2LED0] = [0, 1] — I
2C slave mode
The external I
2C master will drive the SCL_MDC clock.
The KSZ8873MLL/FLL/RLL device addresses are:
1011_1111
<read>;
1011_1110
<write>
Interface Signals
Type
Description
SPIQ
O
Not used (tri-stated)
SCL_MDC
I
2C clock
SDA_MDIO
I/O
I
2C data I/O
SPISN
I
Not used
[P2LED1, P2LED0] = [1, 0] — SPI slave mode
Interface Signals
Type
Description
SPIQ
O
SPI data out
SCL_MDC
I
SPI clock
SDA_MDIO
I
SPI data In
SPISN
I
SPI chip select
[P2LED1, P2LED0] = [1, 1] – SMI/MIIM-mode
In SMI mode, the KSZ8873MLL/FLL/RLL provides access to all its internal 8-bit
registers through its SCL_MDC and SDA_MDIO pins.
In MIIM mode, the KSZ8873MLL/FLL/RLL provides access to its 16-bit MIIM
registers through its SDC_MDC and SDA_MDIO pins.
61
P2LED0
Ipu/O
62
RSTN
Ipu
Hardware reset pin (active low)
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