TI中文支持网我的28034板子上，晶振忘记焊了，居然还能烧程序，烧完程序居然还能正常跑，难道28034不需要晶振么？
Seven Han：F28034有内部时钟的。
6.6.1 Internal Zero Pin Oscillators
The F2803x devices contain two independent internal zero pin oscillators. By default both oscillators are
turned on at power up, and internal oscillator 1 is the default clock source at this time. For power savings,
unused oscillators may be powered down by the user. The center frequency of these oscillators is
determined by their respective oscillator trim registers, written to in the calibration routine as part of the
boot ROM execution. See Section 5, Electrical Specifications, for more information on these oscillators.
我的28034板子上，晶振忘记焊了，居然还能烧程序，烧完程序居然还能正常跑，难道28034不需要晶振么？
user1748517：
回复 Seven Han:
那我外部晶振可以不接？？？
我的28034板子上，晶振忘记焊了，居然还能烧程序，烧完程序居然还能正常跑，难道28034不需要晶振么？
Young Hu：
回复 user1748517:
内部有两个10MHz振荡器，如果对时钟要求不高，可以不接的
我的28034板子上，晶振忘记焊了，居然还能烧程序，烧完程序居然还能正常跑，难道28034不需要晶振么？
Jingyuan Zhao：
您好，F28034器件内部包含两个晶振。缺省情况下使用内部晶振1作为时钟源。
