User’s Manual U13850EJ4V0UM
15
CHAPTER 15 RESET FUNCTION................................................................................................. 416
15.1 General ................................................................................................................................ 416
15.2 Pin Operations.................................................................................................................... 416
CHAPTER 16 REGULATOR........................................................................................................... 417
16.1 Outline ................................................................................................................................. 417
16.2 Operation............................................................................................................................. 417
CHAPTER 17 ROM CORRECTION FUNCTION .......................................................................... 418
17.1 General ................................................................................................................................ 418
17.2 ROM Correction Peripheral I/O Registers ........................................................................ 419
17.2.1 Correction control register (CORCN) .....................................................................................419
17.2.2 Correction request register (CORRQ)....................................................................................420
17.2.3 Correction address registers 0 to 3 (CORAD0 to CORAD3) .................................................421
CHAPTER 18 FLASH MEMORY ................................................................................................... 423
18.1 Features............................................................................................................................... 423
18.1.1 Erasing unit............................................................................................................................423
18.1.2 Write/read time ......................................................................................................................424
18.2 Writing with Flash Programmer ........................................................................................ 424
18.3 Programming Environment ............................................................................................... 425
18.4 Communication System .................................................................................................... 425
18.5 Pin Connection ................................................................................................................... 428
18.5.1 V
PP
pin ...................................................................................................................................428
18.5.2 Serial interface pin .................................................................................................................428
18.5.3 RESET pin .............................................................................................................................431
18.5.4 Port pin (including NMI) .........................................................................................................431
18.5.5 Other signal pins....................................................................................................................431
18.5.6 Power supply .........................................................................................................................431
18.6 Programming Method ........................................................................................................ 432
18.6.1 Flash memory control ............................................................................................................432
18.6.2 Flash memory programming mode........................................................................................433
18.6.3 Selection of communication mode.........................................................................................434
18.6.4 Communication command .....................................................................................................434
18.6.5 Resources used.....................................................................................................................435
CHAPTER 19 IEBus CONTROLLER (V850/SB2) ....................................................................... 436
19.1 IEBus Controller Function................................................................................................. 436
19.1.1 Communication protocol of IEBus...........................................................................................436
19.1.2 Determination of bus mastership (arbitration) .........................................................................437
19.1.3 Communication mode .............................................................................................................437
19.1.4 Communication address .........................................................................................................438
19.1.5 Broadcasting communication ..................................................................................................438
19.1.6 Transfer format of IEBus .........................................................................................................439
19.1.7 Transfer data...........................................................................................................................449
19.1.8 Bit format.................................................................................................................................452