Datasheet
Device
32KXOUT
OR
HFCLKIN
32KCLKOUT
HFCLKOUT
32KXIN
OR
OR
32kHz
032-062
TPS65950
www.ti.com
SWCS032E–OCTOBER 2008–REVISED JANUARY 2011
12 Clock Specifications
The TPS65950 includes several I/O clock pins. The TPS65950 has two sources of high-stability clock
signals: the external high-frequency clock (HFCLKIN) input and an onboard 32-kHz oscillator (an external
32-kHz signal can be provided). Figure 12-1 is an overview of the clocks.
Figure 12-1. Clock Overview
12.1 Features
The TPS65950 accepts two sources of high-stability clock signals:
• 32KXIN/32KXOUT: Onboard 32-kHz crystal oscillator (an external 32-kHz input clock can be provided)
• HFCLKIN: External high-frequency clock (19.2, 26, or 38.4 MHz).
The TPS65950 can provide:
• 32KCLKOUT digital output clock
• HFCLKOUT digital output clock with the same frequency as the HFCLKIN input clock
Copyright © 2008–2011, Texas Instruments Incorporated Clock Specifications 131
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