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3.4  Peripherals

The ZGM230S Dev Kit contains a set of peripherals that can be accessed from the ZGM230S. All the peripherals have enable signals
which can be used to completely turn off the peripherals that are not in use, or they can be put into a state that draws a minuscule
amount of power. This option allows for the lowest possible power consumption in every application. The following peripherals are ac-
cessible to the ZGM230S:

• One Silicon Labs Si7021 relative humidity & temperature sensor
• One Silicon Labs Si7210 Hall effect sensor
• One Vishay VEML6035 ambient light sensor
• One TDK InvenSense ICM-20689 6-axis inertial measurement sensor
• One Bosch Sensortec BMP384 pressure sensor
• One Macronix MX25R8035F ultra-low power 8 Mbit SPI flash
• Two single color LEDs and two push buttons
• One RGB LED
• One LESENSE LC-Sensor metal detector

The figure below gives an overview of the peripherals that are connected to the ZGM230S. Note that some of the peripherals share the
same interface and enable signals. As the enable signals do not have external pull-down resistors on the board, the application code
should actively drive the signals either low or high to prevent the lines from floating.

PC10 (I2C0_SCL#14)

PC11 (I2C0_SDA#16)

ZGM230S

ICM-20689

MX25R

VMCU

Si7021

VEML6035

Si7210

BMP384

VMCU

I2C

SENSOR ENABLE

IMU ENABLE

SPI IMU CS

SPI 

VMCU

SPI FLASH CS

IMU INTERRUPT

8 Mbit

Flash

3

2

2

Buttons

RGB LED

GPIO

GPIO

GPIO

Single Color LEDs

3

2

METAL DETECTOR

LESENSE_LC_SENSE

LESENSE_LC_EXCITE

Figure 3.3.  Peripherals

UG532: ZGM230S Dev Kit User's Guide

Hardware

silabs.com

 | Building a more connected world.

Rev. 1.0  |  11

Содержание UG532

Страница 1: ...Hz maximum operating frequency 512 kB flash and 64 kB RAM Integrated DC DC converter KIT FEATURES SMA connector for antenna connection Power control of on board peripherals for ultra low power operation Relative humidity and temperature sensor Ambient light sensor Hall effect sensor 6 axis inertial sensor LC sensor for metal detection Pressure sensor 8 Mbit flash for OTA programming and data loggi...

Страница 2: ... 14 3 4 5 BMP384 Barometric Pressure Sensor 14 3 4 6 External Memory 15 3 4 7 Push Buttons Single color LEDs and RGB LED 15 3 4 8 Metal Detector LC Sensor 16 3 5 On board Debugger 17 3 6 Connectors 18 3 6 1 Breakout Pads 19 3 6 2 Qwiic Connector 20 3 6 3 Mini Simplicity Connector 20 3 6 4 Debug USB Type C Connector 20 4 Debugging 21 4 1 On board Debugger 22 4 2 External Debugger 22 4 3 Virtual COM...

Страница 3: ... Compliance 30 5 4 3 Recommendations for 921 MHz ARIB STD T108 Compliance 30 6 Schematics Assembly Drawings and BOM 31 7 Kit Revision History and Errata 32 7 1 Revision History 32 7 2 Errata 32 8 Board Revision History and Errata 33 8 1 Revision History 33 8 2 Errata 33 9 Document Revision History 34 silabs com Building a more connected world Rev 1 0 3 ...

Страница 4: ... Kits The board also features a Qwiic connector which can be used to connect hardware from the Qwiic Connect System through I2C 1 1 Kit Contents The following items are included in the box 1x ZGM230S Dev Kit board BRD2603A 1x 868 915 MHz antenna LPRS ANT SS900 1 2 Getting Started Detailed instructions for how to get started with your new ZGM230S Dev Kit can be found on the Silicon Labs web page ht...

Страница 5: ...ug access Packet trace Hall Effect Sensor LEDs Humidity and Temperature Sensor Mini Simplicity Connector Pressure Sensor Ambient Light UV Sensor ZGM230S Z Wave 800 SiP Module SMA Antenna Connector On board USB J Link Debugger External Battery Connector CR2032 Coin Cell Holder RGB LED LC Sensor Figure 1 1 ZGM230S Dev Kit Hardware Layout UG532 ZGM230S Dev Kit User s Guide Introduction silabs com Bui...

Страница 6: ...ns and some design limits Table 2 1 Recommended Operating Conditions Parameter Symbol Min Typ Max Unit USB Supply Input Voltage VUSB 5 0 V Battery Supply Input Voltage VVBAT 1 9 3 0 3 6 V Supply Input Voltage VMCU supplied externally VVMCU 1 9 3 3 3 6 V Operating Temperature TOP 25 C UG532 ZGM230S Dev Kit User s Guide Specifications silabs com Building a more connected world Rev 1 0 6 ...

Страница 7: ...K 39 MHz f 916 MHz CW 14 dBm output power VSCALE1 at 25 C 30 mA Ambient Light Sensor Cur rent Consumption 2 IVEML6035 Shutdown at 1 8 V 0 5 µA Operation mode at 1 8 V ALS only 170 µA RH Temp Sensor Current Consumption3 ISi7021 Standby 40 to 85 C 0 06 µA RH conversion in progress 150 µA Temperature conversion in progress 90 µA Peak IDD during I2C operations 3 5 mA Hall Effect Magnetic Sensor Curren...

Страница 8: ... all peripherals either in sleep mode or disconnected 0 5 µA Note 1 From ZGM230S data sheet 2 From VEML6035 data sheet 3 From Si7021 A20 data sheet 4 From Si7210 data sheet 5 From BMP384 data sheet 6 From ICM 20689 data sheet 7 From MX25R8035F data sheet 8 From EFM32GG12 data sheet UG532 ZGM230S Dev Kit User s Guide Specifications silabs com Building a more connected world Rev 1 0 8 ...

Страница 9: ...sors Radio Device Connectivity Debugging J Link Debugger USB Type C Connector SMA Antenna Connector 8 Mbit MX25R Buttons and LEDs ZGM230S Z Wave SiP Module Breakout Pads EXP Header pinout Si7021 Si7210 VEML6035 Temperature Humidity Sensor Ambient Light Sensor Hall Effect Sensor ICM 20689 6 axis Inertial Sensor BMP384 Pressure Sensor User Buttons LEDs Mini Simplicity Connector Serial Flash Qwiic Co...

Страница 10: ...Mini Simplicity connector There must be no other power sources present on the kit as power is injected directly to the VMCU net It is important to follow this recommendation to avoid power conflicts and backfeeding the battery Powering the ZGM230S Dev Kit through the Mini Simplicity connector allows current measurements using the Advanced Energy Moni toring AEM as described in section 4 2 External...

Страница 11: ...5R8035F ultra low power 8 Mbit SPI flash Two single color LEDs and two push buttons One RGB LED One LESENSE LC Sensor metal detector The figure below gives an overview of the peripherals that are connected to the ZGM230S Note that some of the peripherals share the same interface and enable signals As the enable signals do not have external pull down resistors on the board the application code shou...

Страница 12: ...ed when pow er is dissipated on the board More accurate temperature measurements are achieved when powering the board with a battery or through the Mini Simplicity connector as self heating from the on board LDO is eliminated and the on board debugger is put in a low power state 3 4 2 Si7210 Hall Effect Sensor The Si7210 family of Hall effect sensors from Silicon Labs combines a chopper stabilized...

Страница 13: ... if not handled correctly in software The SPI CS line is also exported on the breakout pads so simultaneous SPI operation on the breakout pads and IMU is not possible unless an alternative pin is used for SPI CS on the breakout pads The figure below shows how the ICM 20689 is connected to the ZGM230S VMCU ZGM230S PC03 PC01 PD03 SPI_SCLK SPI_COPI IMU_ENABLE IMU_SPI_SCLK IMU_SPI_COPI 0 Sensor is not...

Страница 14: ...e has an integrated ADC and ASIC with built in configurable IIR filter to suppress noise Selectable oversampling rates provide trade off between low power and high resolution and an option to skip either temperature or pressure measurement is available in case one or the other is unnecessary On the ZGM230S Dev Kit the BMP384 is connected through a switch The switch must therefore be enabled by set...

Страница 15: ... Buttons Single color LEDs and RGB LED The kit has two user push buttons marked BTN0 and BTN1 They are connected directly to the ZGM230S and are debounced by RC filters with a time constant of 1 ms The buttons are connected to pins PB03 and PB02 The kit also features two yellow LEDs marked LED0 and LED1 that are controlled by GPIO pins on the ZGM230S The LEDs are con nected to pins PC08 and PC09 i...

Страница 16: ...ng a sensor that wakes up the ZGM230S from sleep when a metal object comes close to the inductor which again can be used as a utility meter pulse counter door alarm switch position indicator or other applications where one wants to sense the presence of a metal object LESENSE_LC_EXCITE LC Sensor LESENSE_LC_SENSE 100 Ω 100 nF 330 pF 470 µH 1 5 kΩ ZGM230S PB0 PB4 Figure 3 12 LC Metal Sensor For more...

Страница 17: ... supported which offers invaluable debug information about transmitted and received packets in wireless links The figure below shows the connections between the target ZGM230S device and the on board debugger The figure also shows the Mini Simplicity Connector and how this is connected to the same I O pins Refer to section 4 Debugging for more details on debugging Mini Simplicity Connector EFR32MG...

Страница 18: ...C00 EXP12 UART_TX PA08 EXP14 UART_RX PA09 EXP16 I2C_SDA PB06 I2C_SDA PB06 GND EXP1 PB03 GPIO EXP3 PB02 GPIO EXP5 PC05 GPIO EXP7 PC06 GPIO EXP9 PD02 GPIO EXP11 PA04 GPIO EXP13 PB05 I2C_SCL EXP15 BOARD_ID_SCL EXP17 BOARD_ID_SDA EXP19 Expansion Header Breakout Pads VMCU VMCU RST PA08 VCOM_TX PA02 SWDIO PD05 PTI_FRAME GND GND VCOM_RX PA09 I2C_SCL PB05 SWO PA03 SWCLK PA01 PTI_DATA PD04 Mini Simplicity ...

Страница 19: ...erals can be routed to any pin However pins may be shared between the breakout pads and other functions on the ZGM230S Dev Kit The table below includes an overview of the EXP header and functionality that is shared with the kit Table 3 2 Expansion Header Pinout Pin Connection EXP Header Function Shared Feature Right Side Breakout Pins 2 VMCU ZGM230S voltage domain included in AEM measurements 4 PC...

Страница 20: ... connector is a 10 pin 1 27 mm pitch connector that allows the use of an external debugger such as the one found on a Silicon Labs Wireless Starter Kit mainboard See section 4 2 External Debugger for more details The pinout of the connector on the board is described in the table below with the names being referenced from the ZGM230S Table 3 4 Mini Simplicity Connector Pin Descriptions Pin number F...

Страница 21: ...er is accessible through the USB Type C connector An external debugger can be used instead of the on board debugger by connecting it to the Mini Simplicity Connector This allows ad vanced debugging features as described in section 4 2 External Debugger When using an external debugger it is very important to make sure that there is no power source present on the ZGM230S Dev Kit as the external debu...

Страница 22: ...Wireless mainboard should be set in AEM Power cycling of the board if necessary is easily done by flipping the power switch on the Wireless to BAT and back to AEM as suming a battery is not inserted in the Wireless mainboard It is possible to have the ZGM230S Dev Kit powered by a battery and still use the Mini Simplicity Connector with a Wireless mainboard for debugging and communication In this c...

Страница 23: ...r p both for conducted and radiated measurements Note Further in this document Effective Isotropic Radiated Power EIRP will be used instead of Effective Radiated Power e r p for the comparison of the radiated limits and measurement results The 25 mW e r p radiated limit is equivalent to 16 1 dBm EIRP For the unwanted emission limits see the table below Table 5 1 ETSI EN 300 220 1 Spurious Domain E...

Страница 24: ... 923 5 MHz band is 250 mW 24 dBm both for con ducted and radiated measurements For the unwanted emission limits see the table below Table 5 2 ARIB STD T108 Spurious Domain Emission Limits Conducted Frequency 710 900 MHz 900 915 MHz 930 1000 MHz 920 3 924 3 MHz except for f fc 200 100xn kHz Other frequencies below 1000 MHz 1000 1215 MHz Frequencies above 1215 MHz Spurious Emission Limits 55 dBm 29 ...

Страница 25: ...l Output Spectrum of the BRD2603A in the 868 MHz Band Figure 5 2 Typical Output Spectrum of the BRD2603A in the 908 MHz Band UG532 ZGM230S Dev Kit User s Guide Radio silabs com Building a more connected world Rev 1 0 25 ...

Страница 26: ...th the regulation limits 5 3 2 Radiated Power Measurements The output power of the ZGM230S was set to 14 dBm The board was supplied through its USB connector by connecting to a PC through a USB cable During the measurements the board was rotated in three cuts See the reference plane illustration in the figure below The radiated powers of the fundamental and the harmonics were measured with horizon...

Страница 27: ...V 36 1 27 9 5th 61 9 YZ H 34 0 27 9 6th 59 4 XY H 31 5 27 9 7th 55 0 YZ H 27 1 27 9 8th 59 0 XZ H 31 1 27 9 9th 48 1 XZ H 20 2 27 9 10th 52 4 XZ V 24 5 27 9 Table 5 4 Maximums of the Measured Radiated Powers of BRD2603A Frequency 908 MHz Measured Unmodulated EIRP dBm Orientation Margin dB Limit in EIRP dBm Fund 16 1 XZ H 13 9 30 0 2nd 53 0 XZ H 25 0 20 dBc 3rd 58 7 XY H 17 5 41 2 4th 65 0 25 0 41 ...

Страница 28: ...31 0 30 0 4th 61 3 XZ H 31 3 30 0 5th 60 3 XZ H 30 3 30 0 6th 57 7 XZ V 27 7 30 0 7th 56 9 XZ H 26 9 30 0 8th 54 9 XY V 24 9 30 0 9th 47 4 XZ H 17 4 30 0 10th 49 3 XZ H 19 3 30 0 As shown in the tables above the fundamental is below the regulation limits in all bands The harmonics are also compliant with large margins UG532 ZGM230S Dev Kit User s Guide Radio silabs com Building a more connected wo...

Страница 29: ... at Z axis 0 45 90 135 180 225 270 315 35 30 25 20 15 10 5 0 Normalized Radiation Pattern dB BRD2603A 908 4 MHz YZ cut Horizontal Vertical 0 at Z axis Figure 5 6 Normalized Antenna Pattern in the 908 MHz band 0 45 90 135 180 225 270 315 35 30 25 20 15 10 5 0 Normalized Radiation Pattern dB BRD2603A 921 4 MHz XY cut Horizontal Vertical 0 at X axis 0 45 90 135 180 225 270 315 35 30 25 20 15 10 5 0 N...

Страница 30: ...ion in the 908 4 MHz band with 14 dBm output power 5 4 3 Recommendations for 921 MHz ARIB STD T108 Compliance As shown in the previous section the BRD2603A board is compliant with the emission limits of the ARIB STD T108 regulation in the 921 4 MHz band with 14 dBm output power UG532 ZGM230S Dev Kit User s Guide Radio silabs com Building a more connected world Rev 1 0 30 ...

Страница 31: ... available through Simplicity Studio when the kit documentation pack age has been installed They are also available from the kit page on the Silicon Labs website silabs com UG532 ZGM230S Dev Kit User s Guide Schematics Assembly Drawings and BOM silabs com Building a more connected world Rev 1 0 31 ...

Страница 32: ...may not list every kit revision Revisions with minor changes may be omitted ZGM230 DK2603A Z Wave 800 Dev Kit 1632000960 25 05 22 A01 Figure 7 1 Revision Info Table 7 1 Kit Revision History Kit Revision Released Description A01 25 May 2022 Initial release revision with BRD2603A Rev A01 7 2 Errata There are no known errata at present UG532 ZGM230S Dev Kit User s Guide Kit Revision History and Errat...

Страница 33: ... given in this section may not list every kit revision Revisions with minor changes may be omitted Table 8 1 Board Revision History Board Released Description BRD2603A Rev A01 10 May 2022 Initial release revision 8 2 Errata Table 8 2 Board Errata Board Problem Description BRD2603A Rev A01 No known erratas UG532 ZGM230S Dev Kit User s Guide Board Revision History and Errata silabs com Building a mo...

Страница 34: ...9 Document Revision History Revision 1 0 June 2022 Initial document release UG532 ZGM230S Dev Kit User s Guide Document Revision History silabs com Building a more connected world Rev 1 0 34 ...

Страница 35: ...h FDA premarket approval is required or Life Support Systems without the specific written consent of Silicon Labs A Life Support System is any product or system intended to support or sustain life and or health which if it fails can be reasonably expected to result in significant personal injury or death Silicon Labs products are not designed or authorized for military applications Silicon Labs pr...

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