Chapter 19 Simple Sound Generator (SSGV1)
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
670
Freescale Semiconductor
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In linear attack operation SSGAMPB (SSGAMP’s buffer) will be increased by SSGAA every
SSG 1 tone cycle. In linear decay operation, SSGAMPB will be decreased by SSGAA
every 1 tone cycle. See below linear attack/decay formula.
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In gong attack operation SSGAMPB will be increased by SSGAMPB/32 every 1 tone
cycle. In gong decay operation SSGAMPB will be decreased by SSGAMPB/32 every
1 tone cycle. See below gong attack/decay formula.
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In exponential attack operation SSGAMPB will multiply with 2 then add 1 every 1
tone cycle. In exponential decay operation, SSGAMPB will be divided by 2 every 1
tone cycle. See below exponential attack/decay formula.
Linear attack operation:
do{
SSGAMPB = S SSGAA_buf;
} While (SSGAMPB < AT_buf)
Where : AT_buf is the internal buffer of amplitude threshold register SSGAT.
SSGAMPB = SSGAMP;
Linear decay operation:
Where : AT_buf is the internal buffer of amplitude threshold register SSGAT.
} While (SSGAMPB > AT_buf)
SSGAMPB = SSGAMPB - SSGAA_buf;
do{
SSGAMPB = SSGAMP;
SSGAA_buf is the internal buffer of SSGAA.
SSGAA_buf is the internal buffer of SSGAA.
Содержание MC9S12ZVHL32
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Страница 686: ...Chapter 20 ECC Generation module SRAM_ECCV1 S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 686 Freescale Semiconductor...
Страница 752: ...Chapter 22 Supply Voltage Sensor BATSV2 S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 752 Freescale Semiconductor...
Страница 774: ...Chapter 23 LIN Physical Layer S12LINPHYV2 S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 774 Freescale Semiconductor...
Страница 788: ...Appendix A MCU Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 788 Freescale Semiconductor...
Страница 794: ...Appendix B ADC Electricals S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 794 Freescale Semiconductor...
Страница 798: ...Appendix D IRC Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 798 Freescale Semiconductor...
Страница 802: ...Appendix F MSCAN Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 802 Freescale Semiconductor...
Страница 806: ...Appendix G NVM Electrical Parameters S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 806 Freescale Semiconductor...
Страница 810: ...Appendix H BATS Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 810 Freescale Semiconductor...
Страница 816: ...Appendix K OSC32K Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 816 Freescale Semiconductor...
Страница 822: ...Appendix L SPI Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 822 Freescale Semiconductor...
Страница 826: ...Appendix M LINPHY Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 826 Freescale Semiconductor...
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