Data Sheet

FSC‐BT646Datasheet

 ShenzhenFeasycomTechnologyCo.,Ltd   www.feasycom.com
‐6‐
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3.  HARDWARE  SPECIFICATION
 3.1  BlockDiagramandPINDiagram
Wa ke
UART
I2C
PIOs/AIOs
VDD
2.0V~3.6V
BluetoothChip

16MHZ
Crystal
Antenna
(optional)
J‐Link
(optional)
Internal(Default)
orexternal
antenna
32.768KHz
(optiona l)
Reset

Figure2:BlockDiagram
21
14 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
P1.0/SPI1_MOSI
P0.4
UART_RTS/P1.5
NC
NC
NC
NC
ADC6/P3.0
ADC7/P3.1
RES ET
31
32
2
1
34
UART_RX
UART_CTS/P1.4
VDD
GND
NC NC ICE_CLK ICE_DAT P2.4 P2.5 P2.6 GND
GND
P5.7/SPI1_MISO
P2.2/SPI1_CLK
P3.6/SPI1_SS
P2.2/SPI1_CLK
P2.3/I2C1_CLK
P2.0/I2C1_SDA
P0.3
P0.2
P0.7
P5.2/EXT_WAKEUP
35
36
GND
EXT_ANT

Figure3:FSC‐BT646PINDiagram(TopView)