Posted on May 17, 2011 at 12:08Dear All: I use upd3300_elcd board,and use some sample code, but I can't read M41ST87 date and time, my test code (all functione use sample code): I2C_ADDR=0xD0 upsd_i2c_init (400,I2C_ADDR); // I2C initialize temp_xmit...

Posted on May 17, 2011 at 12:08Dear All: memory map : 0000--7FFF ----->RAM and csiop 0000--7FFF ----->second flashrom csboot0~3 if following this code(in the main flasherom) ---> ''*((volatile unsigned char xdata *)(0x6000))=0x34'' it access SRAM or...

Posted on May 17, 2011 at 12:08Dear All: memory map : 0000--7FFF ----->RAM and csiop 0000--7FFF ----->second flashrom csboot0~3 if following this code(in the main flasherom) ---> ''*((volatile unsigned char xdata *)(0x6000))=0x34'' it access SRAM or...