Data Sheet

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6
1.6. Pin Assignment
Name
Type
Pin #
Description
UART Interface
RXD1
I
13
Receive data/ SPI_MISO
TXD1
O
14
Transmit data/SPI_MOSI
RTS1
O
12
Request to send (active low)/ SPI_CLK
CTS1
I
11
Clear to send (active low) /SPI_CS
Power and Ground
VIN
8
VIN
GND
7
GND
GND
18
GND
Reset
RESETN
I
10
Reset input
LPO
LPO
I
15
Low power clock input
Connect an external source when using PN: BLE60.
Be left floating with PN: BLE60_LP
Fast boot
Fast boot
I
9
Fast boot enable
GPIO
GPIO1
1
GPIO1/SWCLK/ADC_IN3
GPIO2
2
GPIO2/SWDIO/ADC_IN2
GPIO3
3
GPIO3/PWM output 0
GPIO4
4
GPIO4/CLK output 0
TXD0
5
TXD0/GPIO5
RXD0
6
RXD0/GPIO6
GPIO7
16
GPIO7/SDA
GPIO8
17
GPIO8/SCL/ PWM output 1