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User’s Manual U18279EJ3V0UD
18
26.2
Debugging Without Using DCU .......................................................................................... 1059
26.2.1
Circuit connection examples....................................................................................................1059
26.2.2
Maskable functions ..................................................................................................................1062
26.2.3
Securing of user resources......................................................................................................1062
26.2.4
Cautions ..................................................................................................................................1068
26.3
ROM Security Function ....................................................................................................... 1069
26.3.1
Security ID ...............................................................................................................................1069
26.3.2
Setting .....................................................................................................................................1070
CHAPTER 27 FLASH MEMORY ........................................................................................................ 1071
27.1
Features ................................................................................................................................ 1071
27.2
Memory Configuration ......................................................................................................... 1072
27.3
Functional Overview ............................................................................................................ 1073
27.3.1
Erase units...............................................................................................................................1075
27.3.2
Security function ......................................................................................................................1075
27.4
Writing with Flash Memory Programmer ........................................................................... 1077
27.5
Flash Memory Programming Environment ....................................................................... 1078
27.6
Communication Method of Flash Memory Programming ................................................ 1079
27.7
Pin Processing During Flash Memory Programming....................................................... 1085
27.7.1
Power supply ...........................................................................................................................1085
27.7.2
Pins used.................................................................................................................................1085
27.7.3
RESET pin...............................................................................................................................1088
27.7.4
FLMD0 and FLMD1 pins..........................................................................................................1088
27.7.5
Port pins ..................................................................................................................................1089
27.7.6
Other signal pins......................................................................................................................1089
27.8
Flash Memory Programming Mode .................................................................................... 1090
27.8.1
Flash memory control ..............................................................................................................1090
27.8.2
Selection of communication mode ...........................................................................................1091
27.8.3
Communication commands .....................................................................................................1092
27.9
Rewriting by Self Programming.......................................................................................... 1094
27.9.1
Overview..................................................................................................................................1094
27.9.2
Features ..................................................................................................................................1095
27.9.3
Standard self programming flow ..............................................................................................1096
27.9.4
Flash functions ........................................................................................................................1097
27.9.5
Pin processing .........................................................................................................................1097
27.9.6
Internal resources used ...........................................................................................................1098
CHAPTER 28 ELECTRICAL SPECIFICATIONS ............................................................................... 1099
28.1
V850E/IF3 .............................................................................................................................. 1099
28.1.1
Absolute maximum ratings ......................................................................................................1099
28.1.2
Capacitance.............................................................................................................................1100
28.1.3
Operating conditions................................................................................................................1100
28.1.4
Clock oscillator characteristics.................................................................................................1101
28.1.5
Regulator characteristics .........................................................................................................1102
28.1.6
DC characteristics ...................................................................................................................1103
28.1.7
Data retention characteristics ..................................................................................................1105
28.1.8
AC characteristics....................................................................................................................1106
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