Other Parts Discussed in Thread: TMDSHSECDOCK , TMDSCNCD280025C , TMS320F280025 , TMS320F280025C , C2000WARE Received tmdscncd280025c + tmdshsecdock package On December 9, the outer package is very standard.
TMDSCNCD280025C is a low-cost evaluation and development…
HI
日志如下:
[08:31:33][20201204 08:31:33]
[08:31:37]
[08:31:37]U-Boot SPL 2016.05-00018-g6bc25a5 (Aug 05 2019 - 14:43:03)
[08:31:37]DRA752-GP ES2.0
[08:31:37]no pinctrl for hs200_1_8v
[08:31:37]no pinctrl for ddr_1_8v
[08:31:38]Card did not respond to voltage…
Linux启动信息:
[13:24:39.662]
[13:24:43.862]
[13:24:44.257]
U-Boot SPL 2016.05-00018-g6bc25a5 (Aug 05 2019 - 14:43:03)
DRA752-GP ES2.0
[13:24:44.353] no pinctrl for hs200_1_8v
no pinctrl for ddr_1_8v
[13:24:44.465] Card did not respond to voltage select…
《Analog Engineer’s - Pocket Reference》这本书中,第20页在介绍Bipolar junction transistors (BJT)的相关公式中,第二个公式 (2) Current law for bipolar transistors:Ic=Ib+Ie 是错误了,应该改为:Ie=Ib+Ic