基于tlv320aic23的語(yǔ)音系統(tǒng)設(shè)計(jì)(doc畢設(shè)論文)-資料下載頁(yè)
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【正文】 dram_init call clkmd_init call i2c_init call aic23init call mcbsp0_init mov mcbsp0_pdp,pdpwait_rx: btst spcr1_rrdy,port(@spcr1),tc1 bcc wait_rx,!tc1 mov port(@drr2),ac1 mov port(@drr1),ac0 mov ac0,port(@dxr1) mov ac1,port(@dxr2) amov left+length1,xar6 rpt length1 delay *ar6 amov left,xar6 mov ac1,*ar6 amov right+length1,xar7 rpt length1 delay *ar7 amov right,xar7 mov ac0,*ar7 b wait_rxends: b $mcbsp0_init: 。slave mode amov 0,xdp mov mcbsp0_pdp,pdp mov 0,port(@spcr1) mov 0,port(@spcr2) mov 0a0h,port(@xcr1) mov 0h,port(@xcr2) mov 0a0h,port(@rcr1) mov 0h,port(@rcr2)。Frame sync is active high mov 03h,port(@pcr) mov 01h,port(@spcr1) mov 01h,port(@spcr2) ret .end(2) aic23初始化程序.def aic23init.ref i2c_writ.ref data_w_r。bit 15bit 9aiv23_lt_line_ctl .set 0x0aic23_rt_line_ctl .set 0x1aic23_lt_hp_ctl .set 0x2aic23_rt_hp_ctl .set 0x3aic23_analog_audio_ctl .set 0x4aic23_digital_audio_ctl .set 0x5aic23_power_down_ctl .set 0x6aic23_digital_if_fformat .set 0x7aic23_sample_rate_ctl .set 0x8aic23_dig_if_activate .set 0x9aic23_reset_reg .set 0x0f。bit8bit0lt_ch_vol_ctrl .set 0x0017rt_ch_vol_ctrl .set 0x0017lt_ch_headph_ctl .set 0x007frt_ch_headph_ctl .set 0x007falog_au_path_ctrl .set 0x0031digi_au_path_ctrl .set 0x0000pow_mgt_ctrl_ctrl .set 0x0000digi_au_intf_ctrl .set 0x0043au_FS_TIMctrl .set 0x0023digi_intf1_ctrl .set 0x0001slave_aic23init:。i2c write aic23 register。Reset the aic23mov aic23_reset_reg*512,ac0add 0h,ac0call aic23_write。turn on all powermov aic23_power_down*512,ac0add powmgt_ctrl_ctrl,ac0call aic23_write。DAC enable,insel line,Microphone normalmov aic23_analog_audio_ctl*512,ac0add alog_au_path_ctrl,ac0call aic23_write。seting Digital Audio Path Controlmov aic23_digital_audio_ctl*512,ac0add digi_au_path_ctrl,ac0call aic23_write。turn on volume for line inputsMov aic23_lt_line_ctl*512,ac0add lt_ch_vol_ctrl,ac0call aic23_writemov aic23_rt_linr_ctr*512,ac0add rt_ch_vol_ctrl,ac0call aic23_write。configure the aic23 for maser mode,16 bit samples,DSP modemov aic23digital_if_format*512,ac0add digi_au_intf_ctrl,ac0call aic23_write。 stereomov aic23_sample_rate_ctl*512,ac0add au_FS_TIM_ctrl,ac0call aic23_write。turn on hesdphone volume and digital interfacemov aic23_lt_hp_ctl*512,ac0add lt_ch_headph_ctrl,ac0call aic23_writemov aic23_rt_hp_ctrl*512,ac0add rt_ch_headph_ctrl,ac0call aic23_write。turn on digital interfacemov aic23_dig_if_activate*512,ac0add digi_intf1_ctrl,ac0call aic23_writeretaic23_writeamov data_w_r,xar1mov ac08,*ar1+mov ac0,*ar1mov 2,ar0mov slave_aic23,ar2call i2c_writeret.end附錄B 圖1 TMS320C5509與TLV320AIC 23的硬件連接圖圖2 TLV320AIC23的管腳圖3 TLV320AIC23的內(nèi)部結(jié)構(gòu)課程設(shè)計(jì)（論文）評(píng)語(yǔ)及成績(jī)?cè)u(píng)定指導(dǎo)教師評(píng)語(yǔ)：評(píng)分_______ 指導(dǎo)教師（簽字）_______________ ________年____月____日課程設(shè)計(jì)（論文）及答辯評(píng)分：1．學(xué)生工作態(tài)度和平時(shí)表現(xiàn)（共20分）__________；2．論文格式規(guī)范、語(yǔ)言流暢（共20分）__________；3．?dāng)?shù)據(jù)完整、分析論述充分合理，結(jié)論正確（共20分）__________；4．答辯表述能力（共20分）__________；5．基本概念及回答問(wèn)題情況（共20分）_________。課程設(shè)計(jì)總成績(jī)______ 答辯組成員（簽字）____________ _____年___
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