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Chapter 18 Sound Generator 18.4 Sound Generator Operations 18.4.1 To output basic cycle signal SGOF (without amplitude) Select SGOF output by setting bit 3 (SGOB) of the sound generator control register (SGCR) to “0”. The basic cycle signal with a frequency specified by the SGCL0 to SGCL2 and SGBR0 to SGBR3 is output. At the same time, the amplitude signal with an amplitude specified by the SGAM0 to SGAM6 is output from the SGOA pin. Figure 18-6: Sound Generator Output Operation Timing n n n n n n Timer Comparator 1 coincidence SGOF SGOA User’s Manual U12670EE3V0UD00 365
