Posted on May 17, 2011 at 15:03Hi Sandeep, The clock switching sequence should be like: /* Disables Switch interrupt */ CLK->SWCR &= (u8)(~CLK_SWCR_SWIEN); CLK->SWCR |= CLK_SWCR_SWEN; // Enables Clock switch CLK->SWR = (u8)CLK_SOURCE_HSE; while((CLK...

Posted on May 17, 2011 at 15:03Hi Sandeep, As asked by Mozra, What is the HSE clock frequency? If its 24Mhz and use 1 wait state programmed with the option byte. Regards, Jatin

Posted on May 17, 2011 at 15:03Following are the answers to your questions related to the clock controller- 1) CLK->ICKR = CLK_ICKR_RESET_VALUE; //(u8)0x01 Not able to write 0x01 to CLK->ICKR. It remains 0x03. i.e., While I want to set only the ''HS...

Posted on May 17, 2011 at 15:03Regarding the 1st question- Error: gdi-error[40121]: verification of flash memory failed after write operation. Are you writing the program memory in your code? 2nd question- 1) What difference does it make as far as d...

Posted on May 17, 2011 at 15:03Hi Wolver, You have to declare as follows: unsigned char buf1[200]; @near unsigned char buf2[200]; In short memory model by default, the variables are placed in the zero page area (0x00 - 0xff). But in your case, there...