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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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GMS81C2112 Datasheet(PDF) 61 Page - Hynix Semiconductor |
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GMS81C2112 Datasheet(HTML) 61 Page - Hynix Semiconductor |
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GMS81C2112/GMS81C2120 JUNE. 2001 Ver 1.00 55 Figure 12-13 Example of PWM at 4MHz Figure 12-14 Example of Changing the Period in Absolute Duty Cycle (@4MHz) Source T1 PWM1O 02 03 04 05 7F 80 81 02 03 [POL=1] PWM1O [POL=0] Duty Cycle [ 80H x 250nS = 32uS ] Period Cycle [ 3FFH x 250nS = 255.75uS, 3.9KHz ] PWM1HR = 0CH T1PPR = FFH T1PDR = 80H T1CK[1:0] = 00 ( fXI ) PWM1HR3 PWM1HR2 PWM1HR1 PWM1HR0 T1PPR (8-bit) T1PDR (8-bit) Period Duty 11 FFH 00 80H 01 00 clock PWM1E T1ST T1CN 01 00 3FF Source T1 PWM1O POL=1 Duty Cycle Period Cycle [ 0EH x 2uS = 28uS, 35.5KHz ] PW M 1 HR = 0 0H T 1 PPR = 0 E H T 1 PDR = 0 5H T1C K [1:0] = 10 ( 1uS ) 02 03 04 05 06 08 09 0B 0C 0D 0E 01 02 03 04 05 06 07 08 09 0A 01 02 03 04 07 0A 05 [ 05H x 2uS = 10uS ] Duty Cycle [ 05H x 2uS = 10uS ] Period Cycle [ 0AH x 2uS = 20uS, 50KHz ] Duty Cycle [ 05H x 2uS = 10uS ] Write T1PPR to 0AH Period changed clock 01 |
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