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MB90330A Datasheet(PDF) 51 Page - Fujitsu Component Limited. |
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MB90330A Datasheet(HTML) 51 Page - Fujitsu Component Limited. |
51 / 120 page MB90330A Series 51 • 8/16-bit PPG timer (8-bit : 6 channels, 16-bit : 3 channels) 8/16-bit PPG timer consists of an 8-bit down counter (PCNT), PPG operation mode control register (PPGC0 to PPGC5), PPG output control register (PPG01, PPG23, PPG45) and PPG reload register (PRLL0 to PRLL5, PRLH0 to PRLH5). When used as an 8-/16-bit reload timer, the PPG timer serves as an event timer. It can also output pulses of an arbitrary duty ratio at an arbitrary frequency. • 8-bit PPG mode Each channel operates as an independent 8-bit PPG. • 8-bit prescaler + 8-bit PPG mode Operates as an arbitrary-cycle 8-bit PPG with PPG0 (PPG2, PPG4) operating as an 8-bit prescaler and PPG1 (PPG3, PPG5) counted by the borrow output of PPG0 (PPG2, PPG4). • 16-bit PPG mode Operates as a 16-bit PPG with PPG0 (PPG2, PPG4) and PPG1 (PPG3, PPG5) connected. • PPG operation The PPG timer outputs pulses of an arbitrary duty ratio (the ratio between the High and Low level periods of pulse waveform) at an arbitrary frequency. This can also be used as a D/A converter by an external circuit. |
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Similar Description - MB90330A |
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