SPBTLE-1S

Hardware specifications

DocID030445 Rev 3

13/27

The follow table provides the association between SPBTLE-1S module pin and the related

BlueNRG-1 pin. Refer to the BlueNRG-1 datasheet for detailed description.

Table 5: Pinout description

Module

pin #

Name

BlueNRG-1

Pin (CSP

package)

Function

Mode:

"000"

Mode:

"001"

Mode:

"100"

Mode:

"010"

1

ADC2

D5

ADC input 2

2

ADC1

B4

ADC input 1

3

DIO4

C3

GPIO4

UART_RXD

I2C2_CLK

PWM0

4

DIO5

C2

GPIO5

UART_TXD

I2C2_DAT

PWM1

5

Vin

A3, E6

Supply pin

6

ANATEST0/

DIO14/

A5

GPIO14

I2C1_CLK

SPI_CLK

ADC_DATA

7

D2

GPIO7

UART_CTS

I2C2_DAT

PDM_CLK

8

GND

A4, B6, C1, F5

Ground

9

DIO6

D1

GPIO6

UART_RTS

I2C2_CLK

PDM_DATA

10

DIO8

D3

GPIO8

UART_TXD

SPI_CLK

PDM_DATA

11

DIO11

E2

GPIO11

UART_RXD

SPI_CS1

12

DIO9

E1

GPIO9

SWCLK

13

DIO10

F1

GPIO10

SWDIO

14

ANATES1

D4

Anatest1

15

DIO0

A2

GPIO0

UART_CTS

SPI_CLK

16

DIO2

A1

GPIO2

PWM0

SPI_OUT

PDM_CLK

17

DIO3

B1

GPIO3

PWM1

SPI_IN

ADC_CLK

18

DIO1

B2

GPIO1

UART_RTS

SPI_CS1

PDM_DATA

19

RESETN

B3

Reset Pin

20

DIO12

F2

I2C1CLK

21

N.C.

N/A

Must be left floating

22

N.C.

N/A

Must be left floating

23

N.C.

N/A

Must be left floating

a The pin DIO7/BOOT is monitored by bootloader after power up or hardware Reset and it

should be low to prevent unwanted bootloader activation .

prevent unwanted bootloader activation

master role, it acts as MISO pin. In case of SPI slave role, this pin act as MOSI. See Table 5.

master role, it acts as MOSI pin. In case of SPI slave role, this pin act as MISO. See Table 5.