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LC88F52H0A Datasheet(PDF) 5 Page - Sanyo Semicon Device |
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LC88F52H0A Datasheet(HTML) 5 Page - Sanyo Semicon Device |
5 / 31 page LC88F52H0A No.A1228-5/38 Interrupts (peripheral function) • 59 sources (32 modules), 14 vector addresses 1) Provides three levels (low (L), high (H), and highest (X)) of multiplex interrupt control. Any interrupt requests of the level equal to or lower than the current interrupt are not accepted. 2) When interrupt requests to two or more vector addresses occur at the same time, the interrupt of the highest level takes precedence over the other interrupts. For interrupts of the same level, the interrupt into the smallest vector address takes precedence. No. Vector Address Interrupt Source 1 08000H Watchdog timer (1) 2 08004H Base timer (2) 3 08008H Timer 0 (2) 4 0800CH INT0 (1) 5 08014H INT1 (1) 6 08018H INT2 (1)/timer 1 (2)/UART2 (4) 7 0801CH INT3 (1)/timer 2 (4)/SMIIC0 (1)/SLIIC1 (1) 8 08020H INT4 (1)/timer 3 (2) 9 08024H INT5 (1)/timer 4 (1)/SIO1 (2) 10 0802CH PWM0 (1)/SMIIC1(1) 11 08030H ADC (1)/timer 5 (1) 12 08034H INT6 (1)/timer 6 (1)/UART 3 (4) 13 08038H INT7 (1)/SIO0 (2)/SIO0(2)/USRT4 (4) 14 0803CH Port 0 (3)/Port 5 (8)/RTC (1) • 3 priority levels selectable. • Of interrupts of the same level, the one with the smallest vector address takes precedence. • A number enclosed in parentheses denotes the number of sources. Subroutine Stack: 24K-byte RAM area • Subroutine calls that automatically save PSW, interrupt vector calls: 6 bytes • Subroutine calls that do not automatically save PSW: 4 bytes Multiplication/division instructions • 16 bits × 16 bits (18 tCYC execution time) • 16 bits ÷ 16 bits (18 to 19 tCYC execution time) • 32 bits ÷ 16 bits (18 to 19 tCYC execution time) Oscillator circuits • RC oscillator circuit (internal): For system clock • CF oscillator circuit (built-in Rf circuit): For system clock (OSC1) • VCO oscillator circuit: For system clock (OSC1) • Crystal oscillator circuit (built-in Rf circuit): For low-speed system clock (OSC0) • SLRC oscillator circuit (internal): For system clock (In the case of exception processing) System clock divider function • Can run on low current. • 1/1 to 1/128 of the system clock frequency can be set. |
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