5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
USBVBUS
USB_ID1
DM2
DP2
KEY_ ADC
KEY_ ADC
PWR_KEY
SD_CMD
SD_D3
SD_CLK
SD_D0
SD_D1
SD_D2
CARD_DET
GND
GND
DM2
DP2
GND
USB_ID1
GND
CARD_DET
SD_D1
SD_D0
GND
SD_CLK
CARD_VCC
SD_CMD
SD_D3
SD_D2
USBVBUS
GND
HP_AGND
HP_MIC
AOR-
AOL-
HP_IN
HP_AGND
MIC1P
MIC1N
USB_PWR
USBVBUS
VCC5V
AVDD2.5V
VCC3.3V
CARD_VCC
VCC3.3V
HP_AGND
CARD_VCC
DM1
2
DP1
2
VBUS1
2
ID1
2
USB_PWR_CTL
1,5
PWR_KEY
1
MIC1P
11,12
ADC_KEY
2
MIC1N
11,12
CARD_DET
2
SD_D1_B
2
SD_D0_B
2
SD_CMD_B
2
SD_D3_B
2
SD_D2_B
2
SD_CLK_B
2
CARD_EN
2
HP_IN
11
AOL-
11
HP_MIC
11,12
AOR-
11
limite output current
USB OTG
NO on board USB
pull-up: 4.7K_1%,MAX 8 ADC KEYs
KEY
ADC KEY
14%
26%
VOL+
VOL-
close to CPU
Resister
Please follow below resistor value
when using less keys,
delete right side buttons.
Only the left key works when
pressing multiple keys imultaneously
key like "OK", and other
special keys should be placed to the right side
Button labeled corresponding function
KEY
1
NO on board key
Value
2
3
4
5
6
7
8
0%
14% 26% 38% 50% 62% 75% 87%
750R
1%
910R
1%
1.2K
1%
1.8K
1%
3K
1%
6.2K
1%
18K
1%
TF CARD
Close to CPU
Close to Card
NO on board TF Card
2012-11-17
Sheet:
6of 13
Custom
Document:
E8-HD_MXS
Title
Ver
V1.0.0
Size
Data:
Key &IR&USB & Card
U33
SY6280
SOT23-05
U33
SY6280
SOT23-05
EN
4
VOUT
1
GN
D
2
ISET
3
VIN
5
FB9
0R
FB9
0R
1
2
R202
47K
R0402
R202
47K
R0402
TP23
TEST2
TP23
TEST2
TP9
TEST2
TP9
TEST2
R188
47K
R0402
R188
47K
R0402
R206
0R
R0402
R206
0R
R0402
TP24
TEST2
TP24
TEST2
C169
NC/10pF
C0402
C169
NC/10pF
C0402
C168
102pF
C0402
C168
102pF
C0402
TP18
TEST2
TP18
TEST2
FB13
0R
FB13
0R
1
2
R191
NC/10K
R0402
R191
NC/10K
R0402
R187
4.7K_1%
R0402
R187
4.7K_1%
R0402
R193
0R
R0402
R193
0R
R0402
C167
1nF
C0402
C167
1nF
C0402
FB14
0R
FB14
0R
1
2
R192
NC/10K
R0402
R192
NC/10K
R0402
TP19
TEST2
TP19
TEST2
R183
1K
R0402
R183
1K
R0402
FB15
0R
FB15
0R
1
2
R194
12K
R0402
R194
12K
R0402
R209
47K
R0402
R209
47K
R0402
R190
0R
R0402
R190
0R
R0402
C166
1nF
C0402
C166
1nF
C0402
FB16
22R
FB16
22R
1
2
R201
10K
R0402
R201
10K
R0402
R215
NC/10K
R0402
R215
NC/10K
R0402
TP21
TEST2
TP21
TEST2
R184
1K
R0402
R184
1K
R0402
D
S
G
Q23
MT2301
SOT-23
D
S
G
Q23
MT2301
SOT-23
3
1
2
TP22
TEST2
TP22
TEST2
J5
CON20_05
J5
CON20_05
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
25
FB7
0R
FB7
0R
1
2
R186
100K
R0402
R186
100K
R0402
J4
CON6_05
CON6_05
J4
CON6_05
CON6_05
1
2
3
4
5
6
8
7
C165
0.1uF
C0402
C165
0.1uF
C0402
C170
1uF
C0402
C170
1uF
C0402
D15
NC/ESD
R0402
D15
NC/ESD
R0402