Table of Contents
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21.1 Overview........................................................................................................................... 891
21.1.1 Block Diagram..................................................................................................... 891
21.1.2 Register Configuration ........................................................................................ 892
21.2 Register Descriptions........................................................................................................ 892
21.2.1 System Control Register (SYSCR) ..................................................................... 892
21.3 Operation .......................................................................................................................... 893
21.4 Usage Notes ...................................................................................................................... 893
22.1 Overview........................................................................................................................... 895
22.1.1 Block Diagram..................................................................................................... 895
22.1.2 Register Configuration ........................................................................................ 895
22.2 Register Descriptions........................................................................................................ 896
22.2.1 Mode Control Register (MDCR)......................................................................... 896
22.3 Operation .......................................................................................................................... 896
22.4 Flash Memory Overview .................................................................................................. 899
22.4.1 Features ............................................................................................................... 899
22.4.2 Overview ............................................................................................................. 900
22.4.3 Flash Memory Operating Modes......................................................................... 901
22.4.4 On-Board Programming Modes .......................................................................... 902
22.4.5 Flash Memory Emulation in RAM...................................................................... 904
22.4.6 Differences between Boot Mode and User Program Mode................................. 905
22.4.7 Block Configuration ............................................................................................ 906
22.4.8 Pin Configuration ................................................................................................ 906
22.4.9 Register Configuration ........................................................................................ 907
22.5 Register Descriptions........................................................................................................ 907
22.5.1 Flash Memory Control Register 1 (FLMCR1).................................................... 907
22.5.2 Flash Memory Control Register 2 (FLMCR2).................................................... 910
22.5.3 Erase Block Register 1 (EBR1)........................................................................... 911
22.5.4 Erase Block Register 2 (EBR2)........................................................................... 912
22.5.5 RAM Emulation Register (RAMER) .................................................................. 913
22.5.6 Flash Memory Power Control Register (FLPWCR) ........................................... 915
22.5.7 Serial Control Register X (SCRX) ...................................................................... 915
22.6 On-Board Programming Modes ....................................................................................... 916
22.6.1 Boot Mode........................................................................................................... 917
22.6.2 User Program Mode ............................................................................................ 921
22.7 Programming/Erasing Flash Memory............................................................................... 923
22.7.1 Program Mode..................................................................................................... 924
22.7.2 Program-Verify Mode ......................................................................................... 925
22.7.3 Erase Mode.......................................................................................................... 929
22.7.4 Erase-Verify Mode .............................................................................................. 929
22.8 Protection.......................................................................................................................... 931
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