When Micron MT46V32M16P is running at 133MHz in i.MX233 WinCE, the appropriate register value at HW_DRAM_CTL11 is 0x00070202 (CAS Latency=2) for speed grade -5B, -6, -6T, -75E & -75Z. For speed grade -75, please use 0x00070206 (CAS Latency = 2.5). Please refer to Micron MT46V32M16P for further information.