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4-7. Bluetooth / WiFi Module
Pin Description
„
Name
Pins
1
BT_RESET
2
BT_POWER DET
3
BT_WAKE_UP
4
GND
5
BT_USB DM
6
BT_USB DP
7
GND
8
BT_3D_SYNC_IN
9
WIFI_USB_SUSPEND
10
GND
11
WIFI_USB DP
12
WIFI_USB DM
13
GND
14
VCC
15
WIFI_WAKE UP
16
WIFI_RESET
PIN
Interface
I/O
Digital
I
BT Block Reset
Digital
I
BT power detect
Digital
O
BT host wake up
Analog
-
Ground
Digital
I/O
BT USB interface negative
Digital
I/O
BT USB interface positive
Analog
-
Ground
Digital
I
BT VSYNC input
Digital
I
WiFi USB PHY On/Off Ctrl
Analog
-
Ground
Digital
I/O
WiFi USB interface positive
Digital
I/O
WiFi USB interface negative
Analog
-
Ground
Analog
I
DC +5V Power supply input
Digital
O
WiFi host wake up
Digital
I
WiFi Block Reset
Pin 1
Description
Standby
3.3 Vdc
3.3 Vdc
3.3 Vdc
5 Vdc VCC
3.3 Vdc
3.3 Vdc
4. Troubleshooting
~
Pin 16
Power ON
3.3 Vdc
0
3.3 Vdc
3.3 Vdc
NC
0
0.7V eff.dc BT Sig
0
2.5V eff.dc BT Sig
0
0
0V
0V
0V
3.3 Vdc
0
0
2.5V eff.dc WiFi Sig
0
2.5V eff.dc WiFi Sig
0
0
5 Vdc VCC
3.3 Vdc
3.3 Vdc
(DM) 4V p-p
(DM) 4V p-p
(DP) 0.5V p-p
(DM) 0.5V p-p
4-17
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