Data Sheet

FSC‐BW226Datasheet
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 ShenzhenFeasycomTechnologyCo.,Ltd.www.feasycom.com
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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
NC
UAR T_CTS/PIO4
UAR T_RTS/PIO8
PCM_CLK
PCM_IN
PCM_OUT
PCM_SYNC
UART_LOG_OUT
UART_LO G_IN
RESET/CHIP_EN
31
32
2
1 34
UART_RX
UAR T_CTS/PIO4
VDD_3V3
GND
NC
NC
PIO2/SWCLK
PIO3/SWDIO
GND
WiFi_RF_OUT
GND GND
GND
NC
PIO2/SWCL K
PIO3/SWDIO
NC
PIO6/I2C_SCL
PIO7/I2C_SDA
UAR T_RTS/PIO8
PIO9
PIO10
PIO11
35
36
GND
BT_EXT_A NT
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Figure3:FSC‐BW226PINDiagram(TopView)
 3.2PINDefinitionDescriptions
Table2:Pindefinition
Pin PinName Type
PinDescriptions
Notes
1 UART_TX O UARTDataoutput
AlternativeFunction:SPI_MISO
Note1
2 UART_RX I UARTDatainput
AlternativeFunction:SPI_CS
Note1
3 UART_CTS/PIO4 I/O UARTCleartoSend(activelow)
AlternativeFunction1:Programmableinput/outputline
AlternativeFunction2:PWM
AlternativeFunction3:SPI_CLK
Note1
4 UART_RTS/PIO8 I/O UARTRequesttoSend(activelow)
AlternativeFunction1:Programmableinput/outputline
AlternativeFunction2:SPI_MOSI
Note1
5 PCM_CLK I/O PCMbitclockpin(BTonly)
6 PCM_OUT O PCMdataout(BTonly) 
7 PCM_IN I PCMdatainput(BTonly)
8 PCM_SYNC I/O PCMleftrightchannelclock(BTonly) 
9 UART_LOG_OUT O DebugInterface(DataOUT)
10 UART_LOG_IN I DebugInterface(DataIN) 
11 RESET/CHIP_EN I Externalresetinput:ActiveLOW,withaninteraninternalpull‐up.
Setthispinlowresettoinitialstate.
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12 VDD_3V3 Vdd Powersupplyvoltage3.3V 