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8254 Modes

8254 Modes. Made by: Ryan wahab 20050132 (8). 8254 Modes. Gate is low the count will be paused. Mode 0: An events counter enabled with G. N. 2. 1. 2. 2. 3. 4. 5. CLK. Gate is high Will continue counting. OUT. GATE. count of 5 load. Mode 1: One-shot mode. s.

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8254 Modes

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  1. 8254 Modes Made by: Ryan wahab 20050132 (8)

  2. 8254 Modes Gate is low the count will be paused Mode 0: An events counter enabled with G. N 2 1 2 2 3 4 5 CLK Gate is high Will continue counting OUT GATE count of 5 load Mode 1: One-shot mode. s Counter will be reloaded After gate high. 1 2 3 4 5 CLK Gate is High output will be high GATE OUT trigger with count of 5

  3. Mode 2: Counter generates a series of pulses 1 clock pulse wide 1 1 1 2 3 4 5 2 3 4 5 CLK cycle is repeated until reprogrammed or G pin set to0 OUT count of 5 loaded Mode 3: Generates a continuous square-wave with G set to 1 1 2 3 4 1 2 3 4 CLK OUT If count is even, 50% duty cycle otherwise OUT is high 1 cycle longer count of 6 loaded

  4. Mode 4: Software triggered one-shot. 1 6 2 3 4 5 7 8 CLK OUT Trigger with count of 8 In the last counting Will be stop (not repeated) Mode 5: Hardware triggered one-shot. G controls similar to Mode 1. In the last count Out will be low 1 2 3 4 5 CLK GATE OUT trigger with count of 5

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