KSZ8765CLX-EVAL View Datasheet(PDF) - Micrel

Part Name

Description

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KSZ8765CLX-EVAL

Integrated 5-Port 10/100 Managed Ethernet Switch with Gigabit GMII/RGMII and MII/RMII Interfaces

Micrel 

Micrel, Inc.

KSZ8765CLX

Strap-In Options (Continued)

Pin

Number

Pin Name

PU/PD(3)

65

LED1_0

IPU/O

64

LED1_1

IPU/O

66

SPIQ

IPD/O

Description

Port 5 Gigabit Select

Strap Option:

PU = 1Gbps in GMII/RGMII (default).

PD = 10/100Mbps in GMII/RGMII.

Note: Also programmable through internal register.

PLL Clock Source Select

Strap Option:

PD = Still uses 25MHz clock from XI/XO pin even though it is in Port 5 RMII

normal mode (default).

PU = Uses external clock from TXC5 pin in Port 5 RMII normal mode.

Note: If received clock in Port 5 RMII normal mode has too much clock jitter, you

still can select the 25MHz crystal/oscillator as the switch’s clock source.

Serial Bus Configuration

Strap Option:

PD = SPI slave mode. (default)

PU = MDC/MDIO mode.

Note: An external pull-up or pull-down resistor is required.

July 23, 2014

19

Revision 1.0

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