SH7085

FAQs

1. Is it OK that AVcc pins and AVss pins are in the release state?

   No, it is not OK. Do not put AVcc pins and AVss pins in the release state even when converter is not used. When A/D converter is not used, set as follows; AVcc=Vcc, AVss=Vss, AVref=Vcc. If the product has AVref pins, set as follows; AVref ...

   Mar 23, 2009
2. How to write to the internal flash memory with the MCU in boot mode?

   Please check the following points.      ・Power-on reset is correct. ‐Reset signal is cleared after the oscillation is stabilized at the time of power-on. ‐The hardware stand-by pin (HSTBY) is not switched to Low at power-on if your MCU has a stand-by function.                  ・The mode pin ...

   Sep 9, 2011
3. What will happen if TFRST and RFRST in SCFCR of SCIF with FIFO is set to 1?

   When TFRST is 1, the transmit FIFO data register (SCFTDR) is reset, however, the transmit shift register (SCTSR) continues the operation. Therefore the transmit data that has already been transferred to the SCTSR will be transmitted. When RFRST is 1, the receive FIFO data register (SCFERDR) is reset, but the ...

   Mar 21, 2012