MTK 
?  MTK6229BBTranseiverMT6140PA3159 
?  62296230CAMERA62292006230 
   30 
?  622962266225BB6229 DSP 
   EDGE6229104MHZBB52MHZ 
   6229OTG,TVOUT,WI-FI  
?  OTGUSB1.1OTG20CM 
?  62max.book118.comHz 
   RTC  32.768327682 15 
   RTC32.768 
   13MHz 
   13M 
?  MTKFLASHMTK 
   NOR+NAND 
?  NORNANDNORBIOSNAND 
   ()RAM 
   NAND 
?  SRAMNANDNAND 
   NANDNOR 
MIC 
MICBIASPMICBIASNMIC2.4V-2.7V  
C204 C205GSM900MHZ33PF 
   DCS1800MHZ12PFWIFI 2.4GHZ  
   8.2PF 
C206 
C201,C202100NFPA 
   100HZ 
B201B202 
MICMICBIASP----MICBIASNGNDGND 
                        MIC 
                                                        OUTPUT 
                                    TERM 1       C 
        CP                                RL 
                        C1     C2                       VS 
                                    TERM 2 
                                                                   C1=10pf 
                                                        GROUND 
                                                                   C2=33PF 
                                                                   RL=2.2K 
              Shield case 
                                                                   VS=2.0V 
?  Mic,, 
   MicMic 
?  CPC1 
   C2900MHZ1800MHZ 
                          VDD 
                          2.8V              VDD 
                             100K              47K- 190K 
                                               75K 
                           B   0.2-0.3V      C            EINT 
                                                       BB 
                   A 
   ABC 
EINTBB 
    643216MTK32 
1max.book118.com+0.2=0.3EINT 
BB 
        MICBIOS 
                                     MICBIOS 
XMIC 
                              ADC 
                                       ADC 
    1.ADC 1V2. EIN 
 Right Left MIC  GND 
   ,MIC GNDXMIC 
   GNDADC 
MP3 
?  MTKDC243,C244,C245MIC 
   900MHZ1800MHZVBAT 
   L20433pf 
?  PA7-8PAR255,R256                                             47K/PA 
    10K*2  =9.4 
?  D 
   (PWM)(PCM)( 
   ) 
   LCD 
   AB D  
?   AB2 
?  B“”                                                
   B 
   1802180360 
   2180 
?  A 
   A 
   B 
                            FM 
FM_LOUT,FM_ROUTBBGPIO42_FM_SDA 
GPIO41_FM_SCLCLKGPIO09_FM_BUSENFM 
                     T-FLASH  
?  TF CLK24MHZ262512MHZCLKTF- 
    CMDTTF-CMD 
   TF-DAT-0123 
?   HSP301-HSP307TVSESD 
““ 
““ 
““ 
I/O CONNECTOR 
                        TR301 
                   ADC2  
                         VchargerUSBI/O  
                   USBUSB-DM 
                   USB-PWRVUSB3.3V  
                   ADC4-USB USB-DMUSB 
                   USB-DMD30615KV 
                   D306 
?   USB1.4V,1.4V,VUSB3.3V 
    20-30mAUTXD1URXD1 
?   MTKGPIO63-USBIDOTGGPIO63-USBID 
?   9PINFMB302FM98MHZ12K 
?   
MTK手机电路原理分析.doc