TMPM341FDXBG

32 Bit RISC Microcontroller TX03 Series TMPM341FDXBG/FYXBG ©TOSHIBA CORPORATION 2010-2023 All Rights Reserved TMPM341FDXBG/FYXBG ************************************************************************************************************************* ARM, ARM Powered, AMBA, ADK, ARM9TDMI, TDMI, PrimeCell, RealView, Thumb, Cortex, Coresight, ARM9, ARM926EJ-S, Embedded Trace Macrocell, ETM, AHB, APB, and KEIL are registered trademarks or trademarks of ARM Limited in the EU and other countries. ************************************************************************************************************************* R Important Notices Make sure to read read this chapter before using the product. TMPM341FDXBG/FYXBG 1 Serial bus interface There are restrictions on the use of I2C bus mode when the multi-master function is used. 1.1 Description When the multi-master function is used in I2C bus mode, if these masters start the communications simultaneously, the following phenomena may occur: 1. Communications may be locked up. 2. SCL pulse widths shorten; therefore these pulses may not satisfy I2C Specifications. 1.2 Condition These phenomena occur only when the multi-master function is used in I2C bus mode. If a single master is used, these phenomena do not occur. 1.3 Workaround There is no workaround for these phenomena. Perform recovery process by software. 1.4 How to Recover from These Phenomena Perform recovery process by software. By using a timer, add timeout process to ch...