Data Sheet

FSC-BT956B Datasheet
Shenzhen Feasycom Technology Co., Ltd www.feasycom.com
-8-
2114 15 16 17 18 19 20
13
12
11
10
9
8
7
6
5
4
3
33
22
23
24
25
26
27
28
29
30
UART_TX/USB_DP
MIC_BIAS
UART_CTS/SD_CMD
PIO5/I2S_BCLK
DISC/PIO6/I2S_IN/KEYSENSE
TRAN/PIO11/I2S_OUT
PIO8/I2S_LRCK/AIO0/SD_DO
TRAN/PIO11/I2S_OUT
RESET
31
32
2
1
34
UART_RX/USB_DM
PIO4/UART_RTS/SD_CLK
VDD_3V3
GND
V_CHARGER
HOST_TX/MICA_N/PIO0
HOST_RX/MICA_P/PIO1 MICB_N/PIO2
MICB_P/PIO3
SPK_LP
SPK_RP
GND
GND
VDD_IO
LED_CHG
NC
PIO8/I2S_LRCK/AIO0/SD_D0
PIO9/LED/PWM0
PIO7
TRAN/PIO11/I2S_OUT
35
36
GND
EXT_ANT
PIO4/UART_RTS/SD_CLK
PIO5/I2S_BCLK
DISC/PIO6/I2S_IN/KEYSENSE
DISC/PIO6/I2S_IN/KEYSENSE
PIO7
Figure 3: FSC-BT956B PIN Diagram(Top View)
3.2 PIN Definition Descriptions
Table 2: Pin definition
Pin
Pin Name
Type
Pin Descriptions
Notes
1
UART_TX/USB_DP
I/O
UART Data output
Alternative Function: USB_DP.
Note
1,2
2
UART_RX/USB_DM
I/O
UART Data input
Alternative Function: USB_DM.
Note
1,2
3
UART_CTS/SD_CMD
I/O
UART Clear to Send (active low)
Alternative Function: Programmable input/output line
Alternative Function: SD_CMD
Note 1
4,27
PIO4/UART_RTS/SD_CLK
I/O
UART Request to Send (active low)
Alternative Function: Programmable input/output line
Alternative Function: SD_CLK
Note 1
5,28
PIO5/I2S_BCLK
I/O
Programmable input/output line
Alternative Function: I2S BCLK
Note 1
6,9,34
Tran/PIO11/I2S_OUT
I/O
Host MCU change UART transmission mode. (Default)
Alternative Function: Programmable input/output line
Alternative Function: I2S DATA OUT
Note
1,3
7,10,29
Disc/PIO6/I2S_IN/KEYSE
NSE
I/O
Host MCU disconnect bluetooth. (Default)
Alternative Function: Programmable input/output line
Note
1,4,8