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M38B57MCH-P218FP Datasheet(PDF) 9 Page - Mitsubishi Electric Semiconductor |
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M38B57MCH-P218FP Datasheet(HTML) 9 Page - Mitsubishi Electric Semiconductor |
9 / 355 page ii 38B5 Group User’s Manual List of figures Fig. 46 Example of using FLD automatic display RAM in 16-timing•gradation display mode ........................................................................................................................................................ 1-45 Fig. 47 Example of using FLD automatic display RAM in 32-timing mode ......................... 1-46 Fig. 48 Structure of FLDRAM write disable register ............................................................... 1-47 Fig. 49 Example of digit timing using grid scan type ............................................................. 1-48 Fig. 50 Example of using FLD automatic display RAM using grid scan type .................... 1-48 Fig. 51 FLDC timing .................................................................................................................... 1-50 Fig. 52 P84 to P87 FLD output waveform ................................................................................. 1-51 Fig. 53 Structure of port P8 FLD output control register ....................................................... 1-51 Fig. 54 Structure of A-D control register .................................................................................. 1-52 Fig. 55 Black diagram of A-D converter ................................................................................... 1-52 Fig. 56 PWM block diagram ....................................................................................................... 1-53 Fig. 57 PWM timing ..................................................................................................................... 1-54 Fig. 58 Structure of PWM control register ............................................................................... 1-55 Fig. 59 14-bit PWM timing .......................................................................................................... 1-55 Fig. 60 Interrupt interval determination circuit block diagram ............................................... 1-56 Fig. 61 Structure of itnerrupt interval determination control register .................................... 1-57 Fig. 62 Interrupt inteval determination operation example (at rising edge active) ............. 1-57 Fig. 63 Interrupt interval determination operation example (at both-sided edge active) ... 1-57 Fig. 64 Block diagram of watchdog timer ................................................................................. 1-58 Fig. 65 Structure of watchdog timer control register .............................................................. 1-58 Fig. 66 Block diagram of buzzer output circuit ........................................................................ 1-59 Fig. 67 Structure of buzzer output control register ................................................................ 1-59 Fig. 68 Reset circuit example .................................................................................................... 1-60 Fig. 69 Reset sequence .............................................................................................................. 1-60 Fig. 70 Internal status at reset .................................................................................................. 1-61 Fig. 71 Ceramic resonator circuit .............................................................................................. 1-62 Fig. 72 External clock input circuit ............................................................................................ 1-62 Fig. 73 Clock generating circuit block diagram ....................................................................... 1-63 Fig. 74 State transitions of system clock ................................................................................. 1-64 Fig. 75 Programming and testing of One Time PROM version ............................................ 1-66 Fig. 76 Digit timing waveform (1) .............................................................................................. 1-67 Fig. 77 Digit timing waveform (2) .............................................................................................. 1-68 Fig. 78 Timing chart after interrupt occurs ............................................................................... 1-70 Fig. 79 TIme up to execution of interrupt processing routine ............................................... 1-70 Fig. 80 A-D conversion equivalent circuit ................................................................................. 1-72 Fig. 81 A-D conversion timing chart.......................................................................................... 1-72 CHAPTER 2 APPLICATION Fig. 2.1.1 Memory assignment of I/O port relevant registers .................................................. 2-2 Fig. 2.1.2 Structure of port Pi (i = 0, 1, 2, 3, 4, 5, 7, 8) ........................................................ 2-3 Fig. 2.1.3 Structure of port P6 ..................................................................................................... 2-3 Fig. 2.1.4 Structure of port P9 ..................................................................................................... 2-3 Fig. 2.1.5 Structure of port Pi (i = 0, 2, 4, 5, 7, 8) direction register ................................... 2-4 Fig. 2.1.6 Structure of port P6 direction register ...................................................................... 2-4 Fig. 2.1.7 Structure of port P9 direction register ...................................................................... 2-5 Fig. 2.1.8 Structure of pull-up control register 1 ....................................................................... 2-5 Fig. 2.1.9 Structure of pull-up control register 2 ....................................................................... 2-6 Fig. 2.2.1 Memory map of registers relevant to timers .......................................................... 2-10 |
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