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Antenna Interface
Pin Name
Pin No.
RF_ANT
53
BT_ANT*
8
USB Interface
Pin Name
Pin No.
USB_
88
MODE
USB_3V3
85
USB_DP
87
USB_DM
86
Bluetooth Interface*
Pin Name
Pin No.
VCC_BT*
1
SWDIO_
3
BT*
SWDCLK_
4
BT*
TXD_BT*
5
RXD_BT*
6
RESET_BT*
77
BC950N-N1_Hardware_Design
USIM card
I/O
Description
RF antenna
IO
interface
BT antenna
IO
interface
I/O
Description
Boot mode
DI
selection
USB power
PI
supply
USB differential
IO
data (+)
USB differential
IO
data (-)
I/O
Description
Bluetooth power
PI
supply
IO
SWD Data
DI
SWD Clock
Bluetooth
DO
Transmit data to
DTE
Bluetooth
DI
receive data
from DTE
DI
Bluetooth reset
BC950N-N1 Hardware Design
DC Characteristics
DC Characteristics
Vnorm=3.3V
Conform to USB 1.1
specifications.
DC Characteristics
Vnorm: 1.7V~3.6V
LPWA Module Series
Comment
50Ω impedance.
Comment
Pull this pin low to
implement USB
download function.
Suspended or pulled
up 10KΩ resistor to
3.3V for normal boot
mode.
Request 90 Ω
differential
impedance.
Comment
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