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dbrown
Associate II
since ‎2018-07-20
‎2023-06-14

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VTOR description error, ST Cortex-M7 manual

2017-11-08
Posted on November 08, 2017 at 23:58The description of the VTOR register is incorrect in the ST Cortex-M7 programming manual (PM0253). The description ST Cortex-M4 programming manual (PM0214) is correct. The description in the ARM ARMv7-M Architectu...

STM32F7 RCC_CFGR register MCO1/MCO2 fields reversed in reference manual (RM0410 revision 2)

2017-09-29
Posted on September 29, 2017 at 17:39The STM32F76/77 reference manual (RM0410 revision 2) description of the RCC_CFGR register (section 5.3.3) appears to have the MCO1 and MCO2 fields reversed. The fields listed as controlling MCO1 actually control ...

ST25R3911B recommended antenna circuit

2017-05-01
Posted on May 01, 2017 at 20:58The ST25R3911B datasheet, page 14 Figure 3, shows a minimum configuration of antenna connection components. However, no suggested values are given for the 2 inductors, 7 capacitors, and 1 resistor. Are recommended comp...
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