Filter
Top Products
MCF51QE128 MCU Series Reference Manual, Rev. 3
8 Freescale Semiconductor
Get the latest version from freescale.com
Section Number Title Page
3.7 Wait Modes ......................................................................................................................................50
3.7.1 Wait Mode .........................................................................................................................50
3.7.2 Low-Power Wait Mode (LPwait) ......................................................................................50
3.7.2.1 BDM in Low-Power Wait Mode .....................................................................50
3.8 Stop Modes ......................................................................................................................................50
3.8.1 Stop2 Mode .......................................................................................................................51
3.8.1.1 Low-Range Oscillator Considerations for Stop2 ............................................52
3.8.2 Stop3 Mode .......................................................................................................................52
3.8.3 Stop4: Low Voltage Detect or BDM Enabled in Stop Mode ............................................52
3.9 On-Chip Peripheral Modules in Stop and Low-Power Modes ........................................................53
Chapter 4
Memory
4.1 MCF51QE128/64/32 Memory Map ................................................................................................57
4.2 Register Addresses and Bit Assignments ........................................................................................58
4.2.1 Flash Module Reserved Memory Locations .....................................................................67
4.2.2 ColdFire Rapid GPIO Memory Map ................................................................................69
4.2.3 ColdFire Interrupt Controller Memory Map .....................................................................69
4.3 RAM ................................................................................................................................................70
4.4 Flash ................................................................................................................................................70
4.4.1 Features .............................................................................................................................71
4.4.2 Register Descriptions ........................................................................................................72
4.4.2.1 Flash Clock Divider Register (FCDIV) ..........................................................72
4.4.2.2 Flash Options Register (FOPT and NVOPT) ..................................................72
4.4.2.3 Flash Configuration Register (FCNFG) .........................................................73
4.4.2.4 Flash Protection Register (FPROT and NVPROT) ........................................74
4.4.2.5 Flash Status Register (FSTAT) ........................................................................76
4.4.2.6 Flash Command Register (FCMD) .................................................................77
4.5 Function Description .......................................................................................................................77
4.5.1 Flash Command Operations ..............................................................................................77
4.5.1.1 Writing the FCDIV Register ...........................................................................78
4.5.1.2 Command Write Sequence ..............................................................................79
4.5.2 Flash Commands ...............................................................................................................80
4.5.2.1 Erase Verify Command ...................................................................................80
4.5.2.2 Program Command .........................................................................................81
4.5.2.3 Burst Program Command ...............................................................................83
4.5.2.4 Sector Erase Command ...................................................................................84
4.5.2.5 Mass Erase Command ....................................................................................86
4.5.3 Illegal Flash Operations ....................................................................................................87
4.5.3.1 Flash Access Violations ..................................................................................87
4.5.3.2 Flash Protection Violations .............................................................................88
4.5.4 Operating Modes ...............................................................................................................88