參數(shù)資料
型號(hào)： KSZ8864RMNI
廠商： Micrel Inc
文件頁(yè)數(shù)： 20/111頁(yè)
文件大?。?/td> 0K
描述： IC ETHERNET SWITCH 4PORT 64QFN
特色產(chǎn)品： KSZ8864RMN Ethernet Switches
標(biāo)準(zhǔn)包裝： 348
系列： *
其它名稱： 576-3995
Micrel, Inc.
KSZ8864RMN
April 2012
16
M9999-043012-1.5
Pin for Strap-In Options
The KSZ8864RMN can function as a managed switch or unmanaged switch. If no EEPROM or micro-controller exists, the
KSZ8864RMN will operate from its default setting. The strap-in option pins can be configures by external pull-up/down
resistors and take the effect after power up reset or warm reset, the functions are described in the following table:
Pin Number
Pin Name
Type
(1)
Port
Pin Function
(2)
25
SM3RXD3
IPD/O
MAC3 Switch MII receive bit 3
Strap option:
PD (default) = enable flow control;
PU = disable flow control.
26
SM3RXD2
IPD/O
MAC3 Switch MII receive bit 2 and Strap option:
PD (default) = disable back pressure;
PU = enable back pressure.
27
SM3RXD1
IPD/O
MAC3 Switch MII/RMII receive bit 1
Strap option:
PD (default) = drop excessive collision packets;
PU = does not drop excessive collision packets.
28
SM3RXD0
IPD/O
MAC3 Switch MII/RMII receive bit 0
Strap option:
PD (default) = disable aggressive back-off algorithm in half-duplex mode;
PU = enable for performance enhancement.
41
SM4RXD3
IPD/O
MAC4 Switch MII receive bit 3.
Strap option:
PD (default) = Disable Switch MII/RMII full-duplex flow control;
PU = Enable Switch MII/RMII full-duplex flow control.
42
SM4RXD2
IPD/O
MAC4 Switch MII receive bit 2.
Strap option:
PD (default) = Switch MII/RMII in full-duplex mode;
PU = Switch MII/RMII in half-duplex mode.
43
SM4RXD1
IPD/O
MAC4 Switch MII/RMII receive bit 1.
Strap option:
PD (default) =MAC4 Switch SW4-MII/RMII in 100Mbps mode;
PU = MAC4 Switch SW-5MII/RMII in 10Mbps mode.
MAC4 Switch MII/RMII receive bit 0.
Strap option: LED mode
PD (default) = mode 0;
PU = mode 1.
See “Register 11.”
Mode 0
Mode 1
PxLED1
Lnk/Act
100Lnk/Act
44
SM4RXD0
IPD/O
PxLED0
Speed
Full duplex
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