Data Sheet

FSC-BT836B
Shenzhen Feasycom Technology Co.,LTD www.feasycom.com
3
UART_CTS
CMOS input
UART clear to send active low
Alternative Function: Programmable input/output line
4
UART_RTS
CMOS output
UART request to send active low
Alternative Function: Programmable input/output line
5
NC
6
NC
7
NC
8
NC
9
Tran/AIO0
I/O
Host MCU change UART transmission mode. (Default)
Alternative Function: Analogue programmable I/O line.
10
Disc/AIO1
I/O
Host MCU disconnect bluetooth. (Default).
Alternative Function: Analogue programmable I/O line.
11
RESET
CMOS input
Reset if low. Input debounced so must be low for >5ms to
cause a reset.
12
VDD_3V3
VDD
Power supply voltage 3.3V
13
GND
VSS
Power Ground
14
BOOT0
CMOS input
The default is low. (internal 10K resistance drop)
UART DFU Mode, Enabled at startup when set to high
level, Disabled by default
15
NC
NC
NC
16
SWCLK
Bi-directional
Debugging through the clk line(Default)
17
SWDIO
Bi-directional
Debugging through the data line(Default)
18
PIO12
Bi-directional
Programmable input/output line
Alternative Function: UART3 data output
19
PIO13
Bi-directional
Programmable input/output line
Alternative Function: UART3 data input
20
NC
NC
NC
21
GND
VSS
Power Ground
22
GND
VSS
Power Ground
23
PIO0/USB_DM
Bi-directional
Programmable input/output line
Alternative Function: USB_DM(optional)
24
PIO1/USB_DP
Bi-directional
Programmable input/output line
Alternative Function: USB_DP(optional)