ksz8051mlli Micrel Semiconductor, ksz8051mlli Datasheet - Page 50

• Manufacturer Part Number: ksz8051mlli
• Description: 10base-t/100base-tx Physical Layer Transceiver
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
Reference Clock – Connection and Selection
A crystal or external clock source, such as an oscillator, is used to provide the reference clock for the KSZ8051MLL. For
the KSZ8051MLL in all operating modes, the reference clock is 25MHz. The reference clock connections to XI (Pin 15)
and XO (Pin 14), and the reference clock selection criteria are provided in Figure 18 and Table 17.
July 2010
Characteristics
Frequency
Frequency tolerance (max)
Figure 18. 25MHz Crystal / Oscillator Reference Clock Connection
Table 17. 25MHz Crystal / Reference Clock Selection Criteria
Value
50
±50
25
Units
MHz
ppm
M9999-071210-1.0
KSZ8051MLL