魅族M8电路图，大家可以研究下
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NAME:
eric.huang 2008.09.22
MEIZU
M8
V8 A1 v1
114
REV:SIZE:CODE:
DRAWN: DATED:
DATED:CHECKED:
QUALITY CONTROL: DATED:
DATED:RELEASED:
COMPANY:
TITLE:
SHEET: OFSCALE:
REVISION RECOR D
A
B
C
D
DATE:
123456
D
C
B
A
LTR ECO NO: APPROVED:
2007.8.13: CHANGED 6400X51 INFORMATION :POP_VCCQ,POP_VCC CHANGED TO 1.8V
2007.6.13: S3C6400 CHANGED TO X51
2007.6.1: CODEC CHANGED TO WM9713
2007.7.1: CODEC CHANGED TO WM8753
2007.7.25: changed lcd pin information .
2007.8.7: CHANGED CAMERA INFORMATION
2007.8.14: WIFI_BLUETOOTH SCH IS PREPARED
2007.8.15: gsm module is ok
2007.8.15: IRMODULE IS PREPARED
2007.8.18: delete mic switch.add jtac of bluetooth and wifi. change vdd2.5v to Vrtc.seperate gnd and adgnd by r124
VERSION
2007.8.29: add earphone jack(j201) .delete pcm mclk ,add pcm clk
2007.8.30: changed camera part .need mor information to confirm :pwdn level .pin sequense,and there are 10 bit data ,yuv need 8 bit data.
2007.8.31: changed photo_sensor to avago,add emi filter of audio speaker to prevent pwm emi of d amplifer,changed stf202 to eclamp0502b to prevent interfere of usb 2.0
2007.9.1: MOTO CHANGED TO VMT-04 (AAC)
2007.9.5:add c139.c240 for filtrate high frequently noise
2007.9.7:add r518,r519,r520,tp519.changed r511,r515
2007.9.9:changed camera pin map .
2007.9.9:changed accelary sensor to mem
2007.9.9:add a buck to creat pll1.0v .add system 3.0v.add otg3.0v add otg 1.0v delet onelnand to use nand plash .
2007.9.28: add movinand instead of nand flash (6400 only support 1.8v outside nandflash)
2007.9.28: use 6400-x51 instead of 6400-x52 for mor capacity of ddrsdram
2007.9.28: add R913,R914 for resistance control
2007.9.28: used i2s of 8876 instead of codec 8753( give up record by bluetooth)
2007.9.28: used differential input for micphone to pmb8876 .removed audio mic switch
2007.9.28: add a feedback of bfclkout to pmb 8876 by R1208
2007.9.28: used combone memory pf38f2030w0ytq1 insted of pf38f2030w0ytq0 for asynchronis mode
2007.9.28: used 3v gpio of 6400 to power on sm_power instead of used a switch to bat
2007.9.28: add c1122 to vbus of am_power to avoid supply float .
2007.9.28: add c1119 for vib bypass capacity
2007.9.28: add c1121 for vbat bypass capacity
2007.9.28: remove pullup resister of debug of pmb8876
2007.9.28: add r1037,r1038,rc1032 to reset to pmb 8876
2007.10.30: changed power to ltc 3555
2007.10.30: changed memory to movenand
2007.11.12: ADD P-MOS AND NPN IN SM-POWER FOR OPENING THE GSM SYSTEM
2007.11.12: add a resister IN the middle pin of battery to connect a ad convertor
2007.11.21 changed R843,R845 R846 to 1M ohm ,and changed c847 ,c848,c849 to 4.7NF to improve performence of touch panel
2007.11.28: debug: uart: capacitor from v- must connect to vdd to boost voltage
2007.12.04:48M CRYSTAL IS NOT WORKING .
2007.12.07:USE BATTERY CONNECTOR TO DETEC BATERRY DEFAULT AS SHEMATIC. .
2007.12.13:add R406 ,R407,R408,R409 in spi of lcd to separate 1.8vI/O for lcd from 3.0vI/O for 6400
2007.12.07:changed c1105,c1106 from 2.2u to 10u ,changed c625 from 10u to 100u
2007.12.28: The spi of lcd use 1.8V I/O instead of 3.0v I/O . LIST :CLK GPQ8, SIN CPQ7, SOUT GPQ5, SCS CPQ6, RESET GPQ4
2007.12.28: THE PACKAGE OF MOVENAND is changed to 14mm*18mm
2007.12.28: the bluetooth moudle is changed to BTTM46C2SB,and the wifi moudle is changed to SWL-N10
2008.1.5: ADD 2.8V LDO FOR LCD POWER
2008.1.5: ADD TWO KEYS : KEY 4,KEY 5
2008.1.5: USE gpio GPD4 from 6400 to open smpower
2008.1.10: USE gpio GPD1 to control vibrator
2008.1.10: USE rt9292 to instead of rt9284b
2008.1.11: use pin4 to detect headphone's inputing
2008.1.11: chaneged j301 to axk724147g for camera
2008.1.11: chaneged j803 to axk724147g for touchpanel
2008.1.11: delete rtc ic U105 so it can not wake mobile up after power off . add a ldo U604 to create 2.5v for rtc
2008.3.8 :use s3c6410 -x51 .so changed list : delete rt8023 ,rt9266,rt9702 ,i2c1 is used by touchpanle ,remove host power changed pin information of usb connector ,add 1.8v on movenand ,add test point on urat0 for wifi testing .
2008.4.17: add new reser IC u605 instead of reset from ltc3555.
2008.4.17: add a diodes in pbstat to seperate v3.3v from v3.0v,add a 3.0v from vbus to open the system
2008.4.22delete external mic ,add module insert detect and key adc
add low voltage detect ic u607,
add new reset ic u606
changed ltc3555 control .use i/o control instead of iic control .
08.09.18:ADD 1.2V LDO FOR WIFI ,CHANGED TSP POWER FROM 3.3V TO 3.0V
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