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LC87F0A08AUEB-NH Datasheet(PDF) 3 Page - ON Semiconductor |
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LC87F0A08AUEB-NH Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 24 page LC87F0A08A No.A1535-3/24 Comparator Comparator input pin (1 channel) Comparator output pin (1 channel) Comparator output set high when (comparator input level) < 1.22V Comparator output set low when (comparator input level) > 1.22V Clock Output Function Generates clocks with a clock rate of 1/1, 1/2, 1/4, 1/8, 1/16, 1/32, or 1/64 of the source oscillation clock that is selected as the system clock. Watchdog Timer Generates an internal reset on an overflow occurring in the timer running on the low-speed RC oscillator clock (approx. 30kHz) or subclock. Operating mode at standby is selectable from 3 modes (continue counting/suspend operation/suspend counting with the count value retained) Interrupts 16 sources, 9 vectors 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 is given priority. No. Vector Address Level Interrupt Source 1 00003H X or L INT0/CVD 2 0000BH X or L INT1 3 00013H H or L INT2/T0L/INT4/TAL 4 0001BH H or L INT3/BT 5 00023H H or L T0H/TAH 6 0002BH H or L T1L/T1H 7 00033H H or L 8 0003BH H or L SIO1 9 00043H H or L ADC 10 0004BH H or L P0 Priority levels X > H > L When interrupts of the same level occur at the same time, an interrupt with a smaller vector address is given priority. Subroutine Stack Levels: Up to 128levels (the stack is allocated in RAM.) High-speed Multiplication/Division Instructions 16 bits 8 bits (5 tCYC execution time) 24 bits 16 bits (12 tCYC execution time) 16 bits 8 bits (8 tCYC execution time) 24 bits 16 bits (12 tCYC execution time) Oscillation Circuits Internal oscillation circuits 1) Low-speed RC oscillation circuit: For system clock (approx.30kHz) 2) Medium-speed RC oscillation circuit: For system clock (1MHz) 3) Hi-speed RC oscillation circuit: For system clock (8MHz) System Clock Divider Function Can run on low consumption current. Minimum instruction cycle selectable from 375ns, 750ns, 1.5s, 3.0s, 6.0s, 12.0s, 24.0s, 48.0s, and 96.0s (at 8MHz main clock) |
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