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T48C862M-R3 数据表(PDF) 65 Page - ATMEL Corporation |
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T48C862M-R3 数据表(HTML) 65 Page - ATMEL Corporation |
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65 / 107 page ![]() 65 T48C862-R3 4554A–4BMCU–02/03 Timer 3 Compare Mode Register 2 (T3CM2) Address: "B"hex - Subaddress: "3"hex T3CM2 contains the mask bits for the match event of Counter 3 compare register 2 The compare registers and corresponding counter reset masks can be used to program the counter time intervals and the toggle masks can be used to program output signal. The single-action mask can also be used in this mode. It starts operating after the timer started with T3R. Timer 3 COmpare Register 1 (T3CO1) Byte Write Address: "B"hex - Subaddress: "4"hex Timer 3 COmpare Register 2 (T3CO2) Byte Write Address: "B"hex - Subaddress: "5"hex Bit 3Bit 2Bit 1Bit 0 T3CM2 T3SM2 T3TM2 T3RM2 T3IM2 Reset value: 0000b T3SM2 Timer 3 Single action Mask bit 2 T3SM2 = 0, disables single-action compare mode T3SM2 = 1, enables single-compare mode. After this bit is set, the compare register (T3CO2) is used until the next compare match. T3TM2 Timer 3 compare Toggle action Mask bit 2 T3TM2 = 0, disables compare toggle T3TM2 = 1, enables compare toggle. A match of Counter 3 with the compare register (T3CO2) toggles the output flip-flop (TOG3). T3RM2 Timer 3 Reset Mask bit 2 T3RM2 = 0, disables counter reset T3RM2 = 1, enables counter reset. A match of Counter 3 with the compare register (T3CO2) resets the Counter 3. T3IM2 Timer 3 Interrupt Mask bit 2 T3RM2 = 0, disables Timer 3 interrupt for T3CO2 register. T3RM2 = 1, enables Timer 3 interrupt for T3CO2 register. High Nibble Second write cycle Bit 7 Bit 6 Bit 5 Bit 4 Reset value: 1111b Low Nibble First write cycle Bit 3 Bit 2 Bit15 Bit 0 Reset value: 1111b High Nibble Second write cycle Bit 7 Bit 6 Bit 5 Bit 4 Reset value: 1111b Low Nibble First write cycle Bit 3 Bit 2 Bit15 Bit 0 Reset value: 1111b |
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