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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ATmega128 датащи(PDF) 139 Page - ATMEL Corporation |
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ATmega128 датащи(HTML) 139 Page - ATMEL Corporation |
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139 / 386 page  139 2467S–AVR–07/09 ATmega128 Output Compare Register 3 B – OCR3BH and OCR3BL Output Compare Register 3 C – OCR3CH and OCR3CL The Output Compare Registers contain a 16-bit value that is continuously compared with the counter value (TCNTn). A match can be used to generate an output compare interrupt, or to generate a waveform output on the OCnx pin. The Output Compare Registers are 16-bit in size. To ensure that both the high and low bytes are written simultaneously when the CPU writes to these registers, the access is performed using an 8-bit temporary High Byte Register (TEMP). This Temporary Register is shared by all the other 16-bit registers. See “Accessing 16-bit Registers” on page 115. Input Capture Register 1 – ICR1H and ICR1L Input Capture Register 3 – ICR3H and ICR3L The Input Capture is updated with the counter (TCNTn) value each time an event occurs on the ICPn pin (or optionally on the Analog Comparator Output for Timer/Counter1). The Input Cap- ture can be used for defining the counter TOP value. The Input Capture Register is 16-bit in size. To ensure that both the high and low bytes are read simultaneously when the CPU accesses these registers, the access is performed using an 8-bit temporary High Byte Register (TEMP). This Temporary Register is shared by all the other 16-bit registers. See “Accessing 16-bit Registers” on page 115. Timer/Counter Interrupt Mask Register – TIMSK Note: This register contains interrupt control bits for several Timer/Counters, but only Timer1 bits are described in this section. The remaining bits are described in their respective timer sections. Bit 765 4321 0 OCR3B[15:8] OCR3BH OCR3B[7:0] OCR3BL Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 000 0000 0 Bit 765 4321 0 OCR3C[15:8] OCR3CH OCR3C[7:0] OCR3CL Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 000 0000 0 Bit 765 4321 0 ICR1[15:8] ICR1H ICR1[7:0] ICR1L Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 000 0000 0 Bit 765 4321 0 ICR3[15:8] ICR3H ICR3[7:0] ICR3L Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 000 0000 0 Bit 765 4 3 2 1 0 OCIE2 TOIE2 TICIE1 OCIE1A OCIE1B TOIE1 OCIE0 TOIE0 TIMSK Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 0 0 0 0 0 0 0 0 |
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