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SN8A1702AS Datasheet(PDF) 72 Page - SONiX Technology Company |
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SN8A1702AS Datasheet(HTML) 72 Page - SONiX Technology Company |
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72 / 145 page ![]() SN8P1700 8-bit micro-controller build-in 12-bit ADC SONiX TECHNOLOGY CO., LTD Page 72 Revision 1.94 TIMER COUNTER 0 (TC0) OVERVIEW The timer counter 0 (TC0) is used to generate an interrupt request when a specified time interval has elapsed. TC0 has a auto re-loadable counter that consists of two parts: an 8-bit reload register (TC0R) into which you write the counter reference value, and an 8-bit counter register (TC0C) whose value is automatically incremented by counter logic. Figure 8-4. Timer Count TC0 Block Diagram The main purposes of the TC0 timer counter is as following. 8-bit programmable timer: Generates interrupts at specific time intervals based on the selected clock frequency. Arbitrary frequency output (Buzzer output): Outputs selectable clock frequencies to the BZ0 pin (P5.4). PWM function: PWM output can be generated by the PWM1OUT bit and output to PWM0OUT pin (P5.4). P5.4 TC0R reload data buffer TC0enb TC0C 8-bit binary counter TC0 Time out load Aload0 Auto. reload ÷2 TC0out Internal P5.4 I/O circuit CPUM0 S R Compare PWM0OUT PWM Buzzer ÷ 2(8-TC0Rate) fcpu P5.4 TC0R reload data buffer TC0enb TC0C 8-bit binary counter TC0 Time out load Aload0 Auto. reload ÷2 TC0out Internal P5.4 I/O circuit CPUM0 S R Compare PWM0OUT PWM Buzzer ÷ 2(8-TC0Rate) fcpu |
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