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Chapter 1 Overview3Hardware Functions1-2 Hardware FunctionsROM/RAM Size: Internal ROM∗2 16,384×8-bit*3Internal RAM∗2 512×8-bitMachine Cycles: High speed mode 0.10μs/20MHz (4.5V to 5.5V)0.25μs/8MHz(2.7V to 5.5V)1.00μs/2MHz(2.0V to 5.5V)Low speed mode 125μs/32KHz(2.0V to 5.5V)* 4Interrupts: 12 interrupts(11 interrupts except for 48-pin QFH package)The active edge can be selected for all external interruptsIRQ0 External interrupt (can be connected to noise filter)IRQ1 External interrupt (can determine zero crossings, can beconnected to noise filter)IRQ2 External interruptIRQ3 External interrupt *4TM2IRQ Timer 2 (8-bit timer)TM3IRQ Timer 3 (8-bit timer)TM4IRQ Timer 4 (16-bit timer)TM5IRQ Timer 5 (8-bit timer)TBIRQ Clock timer interruptsSC0IRQ Serial 0 (synchronous + simple UARTADIRQ A/D conversion completeNMI Overflow of watchdog timerTimer/Counters:five timers, all can generate interruptsTimer 2 8-bit timerSquare wave output, 8-bit PWM output are possible,Clock source: fs, fs/4, fx* 4, TM2IO pin inputTimer 3 8-bit timerSquare wave output, synchronous serial/UART baud ratetimerClock source: fosc, fs/4, fs/16, TM3IO pin inputRemote control carrier can be generated.∗2 Differs depending upon themodel.[+ 1-1-2 "Product Summary"]*3 Bit 8 of the last address forthe built-in ROM ofMN101C11Xis an optional bit; therefore, thiscannot be used as an ordinaryROM.*4 Exclusive for a 48-pin QFHproduct.
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