Data Sheet
Table Of Contents
- 1 Scope
- 2 Introduction
- 3 Module Variants
- 4 Ordering Information
- 5 Block Diagram
- 6 Base SiP Module Footprint and Pin Definitions
- 7 U.FL/Chip Antenna Module Footprint and Pin Definitions
- 8 Specifications
- 9 MCU Interface Characteristics
- 10 MCU UART Interfaces
- 11 Wi-Fi MAC IDs/Bluetooth MAC IDs
- 12 Mechanical Details
- 13 Cleaning
- 14 Optical Inspection
- 15 Rework
- 16 SHIPPING, HANDLING, AND STORAGE
- 17 Regulatory
- 18 Bluetooth SIG Qualification
Sterling™-EWB
Datasheet
https://connectivity.lairdtech.com/wireless-modules
14
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Module
Pin
Name
I/O Type
Description
STM32F412
Port
99
GND
GND
GROUND
100
NC
-
NO CONNECT (DO NOT CONNECT)
101
GND
GND
GROUND
102
MICRO_I2C1_SCL
DIO
I2C1_SCL
PB6
103
MICRO_I2C1_SDA
DIO
I2C1_SDA
PB7
104
BOOT0
DO
BOOT0
BOOT0
105
NC
-
NO CONNECT (DO NOT CONNECT)
106
MICRO_GPIO0
DIO
MICRO_GPIO
PE3
107
QUADSPI_BK2_NCS
DIO
QUADSPI_BK2_NCS
PC11
108
MICRO_GPIO30
DIO
MICRO_GPIO
PE0
109
NC
-
NO CONNECT (DO NOT CONNECT)
110
NC
-
NO CONNECT (DO NOT CONNECT)
111
MICRO_I2S2_DI
DIO
I2S2_DI
PE5
112
GND
GND
GROUND
113
GND
GND
GROUND
114
GND
GND
GROUND
115
GND
GND
GROUND
116
GND
GND
GROUND
117
MICRO_RST_N
DI
MICRO_RST_N
NRST
118
QUADSPI_BK1_IO0
DIO
QUADSPI_BK1_IO0
PF8
119
MICRO_WKUP
DI
MICRO_WKUP
PA0
120
GND
GND
GROUND
121
MICRO_ADC_IN2
DI
ADC_IN2
PA2
122
MICRO_ADC_IN3
DI
ADC_IN3
PA3
123
GND
GND
GROUND
124
QUADSPI_BK2_IO2
DIO
QUADSPI_BK2_IO2
PC4
125
MICRO_GPIO5
DIO
MICRO_GPIO
PB0
126
RF_SW_CTRL
DIO
ANTENNA DIVERSITY CONTROL
127
NC
-
NO CONNECT (DO NOT CONNECT)
128
MICRO_GPIO16
DIO
MICRO_GPIO
PE15
129
BT_GPIO_4
DIO
BSC_SDA TO/FROM WIRELESS CHARGING PMU
130
BT_GPIO_5
DIO
BSC_SCL FROM WIRELESS CHARGING PMU.
131
NC
-
NO CONNECT (DO NOT CONNECT)
132
GND
GND
GROUND