參數(shù)資料
型號(hào): KSZ8895MQ
廠商: Micrel Inc
文件頁(yè)數(shù): 73/119頁(yè)
文件大?。?/td> 0K
描述: IC ETHERNET SW 5PORT 128-PQFP
標(biāo)準(zhǔn)包裝: 66
控制器類(lèi)型: 以太網(wǎng)開(kāi)關(guān)控制器
接口: MII
電源電壓: 1.8V,2.5V,3.3V
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 128-BFQFP
供應(yīng)商設(shè)備封裝: 128-PQFP(14x20)
包裝: 托盤(pán)
配用: 576-3871-ND - BOARD EVALUATION FOR KSZ8895MQ
其它名稱(chēng): 576-3753
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Micrel, Inc.
KSZ8895MQ/RQ/FMQ
Global Registers (Continued)
Address
Name
Description
Mode
Default
3
Enable PHY MII/RMII
1, enable PHY P5-MII/RMII interface (default).
Note: if not enabled, the switch will tri-state all outputs.
R/W
1
Pin LED[5][1]
strap option.
PD(0): isolate.
PU(1): Enable.
Note: LED[5][1]
has internal pull-
up (PU).
2
Reserved
N/A Do not change.
RO
1
UNH Mode
1, the switch will drop packets with 0x8808 in T/L filed,
or DA = 01-80-C2-00-00-01.
0, the switch will drop packets qualified as “flow control”
packets.
R/W
0
Link Change Age
1, link change from “l(fā)ink” to “no link” will cause fast
aging (<800s) to age address table faster. After an
age cycle is complete, the age logic will return to
normal (300 +/- 75 seconds ). Note: If any port is
unplugged, all addresses will be automatically aged
out.
R/W
0
Register 3 (0x03): Global Control 1
7
Pass All Frames
1, switch all packets including bad ones. Used solely
for debugging purpose. Works in conjunction with
sniffer mode.
R/W
0
6
2K Byte packet support
1 = enable support 2K Byte packet
0 = disable support 2K Byte packet
R/W
0
5
IEEE 802.3x Transmit
Flow Control Disable
0, will enable transmit flow control based on AN result.
1, will not enable transmit flow control regardless of
AN result.
R/W
0
Pin PMRXD3
strap option.
PD(0): Enable Tx
flow control
(default).
PU(1): Disable
Tx/Rx flow
control.
Note: PMRXD3
has internal pull-
down.
4
IEEE 802.3x Receive
Flow Control Disable
0, will enable receive flow control based on AN result.
1, will not enable receive flow control regardless of
AN result.
Note: Bit 5 and bit 4 default values are controlled by
the same pin, but they can be programmed
independently.
R/W
0
Pin PMRXD3
strap option.
PD (0): Enable
Rx flow control
(default).
PU(1): Disable
Tx/Rx flow
control.
Note: PMRXD3
has internal pull-
down.
March 12, 2014
57
Revision 1.7
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