Schematics

1
1
2
2
3
3
4
4
D D
C C
B B
A A
$%$4)17:6㬍⢉㙣ᵪ9
MIC
LED
KEY
POWER upDate
֯⭘;OLQN㓗ᐕާ䘎᧕᧕DŽ
⭥㝁䇮㖞ྭ㓗⭼䶒DŽ
ᖵ㓗ṧᵪᔰᵪˈ㠚ࣘ㓗DŽㅹᖵ㓗ᆼᡀDŽ
㓗᧕亴⮉˖
㓴˖9%$7*1'3%
޵䜘䖟ޣᵪˈ䴰㾱؍䇱
㣟⡷޵䜘䖟ᔰޣᵪˈ9%$7ᴹ⭥঻
9%$7⭥ᇩ૱䍘㢟ྭˈн┿⭥
䈤᰾˖
Ღᥟ仁ٿ֯⭘৏লᨀ׋Ⲵ⍻䈅ⴂᰐ㓯⍻䈅оṑ↓DŽ
Ღᥟ㿴Ṭ˖0BS)ᡆS)䍏䖭BSSPDŽ
ѫ᧗䘰㙖⭥ᇩˈቭ䟿䶐䘁ѫ᧗DŽഎ䐟ቭ䟿⸝DŽ
3:5.(<վҾ9Ѫ䙫䗁վDŽ༽սⓀоᔰᵪ䀖ᴹ᭸DŽ
〻ᒿԕ䇮㖞䮯᤹3:5.(< 6 ༽սDŽᡆ㘵986%ݵ⭥ᨂޕ༽սDŽ
Earphone
VDDBT
10
VDDBT
7
PWRKEY
8
LX
5
DGND
6
VBAT
4
VUSB
2
DACL
18
ADC10/MIC/PF2
16
BT_OSCI
11
BT_OSCO
12
BT_ANT
9
VDDIO
3
VDDDAC
19
AGND
1
RFGND
0
VCMBUF
17
VDDPA
20
ADC6/PB4
13
ADC5/PB3
14
AD C2/PA7
15
U1
AB5376A QFN20 3*3
Y1
26MHZ
GND
C9 NC
C12 NC
OSCO
OSCI
upDate1
VDDDAC
C2 104 C1 104
DACL# DACL MICIN
C13
225
VDDBT
GND
PWRKEY
L5
NC
L4
0R
L6
NC
GND
C14
105
GND
VUSB
VDDIO
VBAT
C8 225
C5 NC
C6 10uF
GND
L3
10uH
VDDBT
VDDBT
BLUE_LED
GND
GND
D1 RED
D2 BLUE
CHRG_LED
BLUE_LED
CHRG_LED
S1
POWER/PP/PHONE
PWRKEY
䖟ᔰޣᵪ᤹䭞
GND
LOUT1
LOUT#1
DACL#
DACL
C3
8.2pF
GND
C11
8.2pF
GND
L1
120nH
L2
120nH
䖟Ԧ䝽㖞Ѫᐞ࠶অ༠䚃
⭥ᝏ⭥ᇩ⭘Ҿ⎸䲔7'0$ᒢᢠಚ༠
⭥ᇩ֯⭘儈仁⭥ᇩ
C7
NC
C4
NC
C10
NC
GND
GND
ᶁ⭠ *50&+ ㌫ࡇ˄ሱ㻵˅
ᶁ⭠ *50&+ ㌫ࡇ˄ሱ㻵˅
⭥ᝏ֯⭘儈仁⭥ᝏᡆ⻱⨐
⻱⨐ ᒶ *+%+)7 ˄ ሱ㻵˅
ᔪ䇞S)S)
⻱⨐ ᒶ *+%+)7 ˄ ሱ㻵˅
⻱⨐ ᶁ⭠ %/0+%61' ˄ ሱ㻵˅
⻱⨐ ᶁ⭠ %/0*$61' ˄ ሱ㻵˅
GND
GND
R1
6.8K
VDDDAC
C15 104
C16
NC
MICIN
+
M1
GND
MICIN
+
M2
GND
傫ᶱփ0,&
0,&վᡀᵜ⭥䐟0,&儈ᙗ㜭⭥䐟
᭟ᤱ᤯䎧ᔰᵪ࣏㜭
9ᑨᴹᡆ9ݵ┑ᦹ⭥9
VUSB VBAT
GNDGND
VUSB1
GND1
VBAT1
GND2
ݵ⭥ԃ᭟ᤱ˖
C17
NC
9'',2 ֯⭘X)⭥ᇩ
⭥ᇩᔪ䇞٬˖
9%$7 ֯⭘⭥ᇩ
9''%7 3,1 ֯⭘⭥ᇩ
9''%7 3,1 ֯⭘⭥ᇩ
9'',2ཆᤲᇩ٬㾱བྷҾ9''%7 ཆᤲᇩ٬
R2
3.3K
ᯠ䇮䇑ᶯᆀˈ9'',2о9''%7 ѻ䰤࣐.⭥䱫
& ֯⭘⭥ᇩ
986%㓗〻ᒿǃᘛ䙏⍻䈅 986% ⭥ᇩ1&
986%⭥ᇩᔪ䇞٬˖
986%ڊᘛ䙏⍻䈅 986% ⭥ᇩ
$%$ 3,1 72 3,1 $%$DŽ
⭥ᝏ㾱≲൘*ᴹ䖳བྷⲴ䱫ᣇ⢩ᙗ