www.ti.com
Peripheral Clocking
113
SPRUH91D–March 2013–Revised September 2016
Submit Documentation Feedback
Copyright © 2013–2016, Texas Instruments Incorporated
Device Clocking
(1)
See Section 6.2 for explanation of POSTDIV divider modes.
(2)
Certain PLL configurations do not support a 50 MHz clock on SYSCLK7.
Table 6-7. EMAC Reference Clock Frequencies
OSCIN
Frequency
PLL Multiplier
Register Setting
Multiplier
Frequency (MHz)
Post Divider
Mode
(1)
POSTDIV Output
Frequency
PLLDIV7
Register Setting SYSCLK7
25 24 600 Div2 300 MHz 5 50 MHz
Div3 200 MHz 3 50 MHz
Div4 150 MHz 2 50 MHz
25 18 450 Div2 225 MHz Not Applicable
(2)
Div3 150 MHz 2 50 MHz
Div4 112.5 MHz Not Applicable
(2)