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LS3321 Folha de dados(PDF) 3 Page - BOWIN ELECTRONIC CO. |
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LS3321 Folha de dados(HTML) 3 Page - BOWIN ELECTRONIC CO. |
3 / 9 page LSI LS3321 3 Address 1H:0H forms a 8bit address for indirect read/write operation for pointer read/write. Address 3H:2H forms a 8bit address for indirect read/write operation for pointer1 read/write. Indirect address is specified, for example, as rINC #op Indirect Operand (#op) Resulting address #0 RptrH.RptrL #1 RptrH.Rptr1L #2 Rptr1H.RptrL #3 Rptr1H.Rptr1L 5. Buzzer Control The system can output 4khz/2khz alarm signal by mask option. The alarm signal is enabled to the output BD[0:1] when the Beep Control Register: Bit[0] is high. 6. Timer/Counter The 3321 has a 4 bit timer/counter. It is map to address CH and DH. Address Description CH(read) Timer 1 Value CH(write) Timer 1 Data DH(write) D3 1=START 0=STOP No. use D1(tone) 1=FOSC 0=PHI12 D1(timer) 1=XINP0 0=F1HZ D0 1=tone 0=buz |
Nº de peça semelhante - LS3321 |
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Descrição semelhante - LS3321 |
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