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
9
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5 BLOCK DIAGRAM
Laird Sterling-EWB
Base SiP Module
CYW4343W
STM32F412
Bluetooth
WLAN LPF
32.768kHz
RTC
2MB
Flash
26MHz
REF CLK
37.4MHz
REF CLK
CLK_REQ
BT_REG_ON
BT_DEV_WAKE
BT_HOST_WAKE
BT_UART
WLAN_SDIO
WL_IRQ
WLAN_REG_ON
32.768kHz
I2C
I2S
SPI
QSPI
TIMER
UART
ADC/DAC
USB
CAN
GPIO
JTAG
BT_PCM
BT_GPIO
VDD_MCU VBAT VDD_WIFI_IO VDD_WIFI VDD_WIFI_PA
Match
Match
2.4GHz Chip
Antenna
Coaxial
Connector
RF interface option
Figure 4: Sterling™-EWB U.FL/chip antenna module block diagram