参数资料
型号: KSZ8842-16MVL
厂商: Micrel Inc
文件页数: 58/141页
文件大小: 0K
描述: IC ETHERNET SW 2PORT BUS 128LQFP
标准包装: 90
控制器类型: 以太网开关控制器
接口: PCI
电源电压: 3.1 V ~ 3.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-LQFP(14x14)
包装: 托盘
产品目录页面: 1081 (CN2011-ZH PDF)
配用: 576-1635-ND - BOARD EVALUATION KSZ8842-16MVL
其它名称: 576-2119
KSZ8842-16MVL-ND
Micrel, Inc.
KSZ8842-16/32 MQL/MVL/MVLI/MBL
October 2007
23
M9999-102207-1.9
Pin Description for KSZ8842-32 Switches (32-Bit)
Pin Number
Pin Name
Type
Pin Function
1
TEST_EN
I
Test Enable
For normal operation, pull-down this pin to ground.
2
SCAN_EN
I
Scan Test Scan Mux Enable
For normal operation, pull-down this pin to ground.
3
P1LED2
Opu
4
P1LED1
Opu
5
P1LED0
Opu
6
P2LED2
Opu
7
P2LED1
Opu
8
P2LED0
Opu
Port 1 and Port 2 LED indicators
1 defined as follows:
Switch Global Control Register 5:
SGCR5 bit [15,9]
[0,0] Default
[0,1]
P1LED3
2 /P2LED3
P1LED2/P2LED2
Link/Act
100Link/Act
P1LED1/P2LED1
Full duplex/Col
10Link/Act
P1LED0/P2LED0
Speed
Full duplex
Reg. SGCR5 bit [15,9]
[1,0]
[1,1]
P1LED3
2 /P2LED3
Act
P1LED2/P2LED2
Link
P1LED1/P2LED1
Full duplex/Col
P1LED0/P2LED0
Speed
Notes:
1. Link = On; Activity = Blink; Link/Act = On/Blink; Full Dup/Col = On/Blink;
Full Duplex = On (Full duplex); Off (Half duplex)
Speed = On (100BASE-T); Off (10BASE-T)
2. P1LED3 is pin 27. P2LED3 is pin 22.
Port 1 and Port 2 LED indicators
3 for Repeater mode defined as follows:
Switch Global Control Register 5: SGCR5 bit
[15,9]
[0,0] Default
[0,1] [1,0] [1,1]
P1LED3; P2LED3
RPT_COL; RPT_ACT
P1LED2; P2LED2
RPT_Link3/RX; RPT_ERR3
P1LED1; P2LED1
RPT_Link2/RX; RPT_ERR2
P1LED0; P2LED0
RPT_Link1/RX; RPT_ERR1
Note 3: RPT_COL = Blink; RPT_Link3/RX (Host port) = On/Blink;
RPT_Link2/RX (Port 2) = On/Blink; RPT_Link1/RX (Port 1) = On/Blink;
RPT_ACT = on if any activity, RPT_ERR3/2/1 = RX error on port 3, 2, or 1.
9
DGND
Gnd
Digital ground
10
VDDIO
P
3.3V digital VDDIO input power supply for IO with well decoupling capacitors.
11
RDYRTNN
Ipd
Ready Return Not
For VLBus-like mode: Asserted by the host to complete synchronous read
cycles. If the host doesn’t connect to this pin, assert this pin.
For burst mode (32-bit interface only): Host drives this pin low to signal waiting
states.
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