ST portfolio for smartphone platforms

TYPICAL APPLICATIONS • Contactless test factory automation and after sales services • Life proof hole-less personal devices • Contactless accessories • Contactless personal equipment docking hub and data transfer KEY FEATURE • True 10-finger multi touch • High SNR, hign noise immunity •

STM32 Nucleo pack for IO-Link master with IO-Link v1.1 PHY and stack

Features • STEVAL-IOM001V1 – IO-Link master PHY based on L6360 – Interrupt diagnostics pin – I²C and UART interface – SPI (slave) interface – 65 mA selectable (3.3 or 5.0 V) linear regulator – CQ (push-pull) and L+ (high side) switches – IQ additional IEC61131-2 type 1 digital input – L+

STM32 Nucleo pack for IO-Link device fully compatible with IO-Link v1.1 (PHY and stack)

Features • Equipped with Arduino UNO R3 connectors and compatible with STEVALIOD003V1, X-NUCLEO-IKS01A2 and NUCLEO-L073RZ boards. • The STEVAL-IOD003V1 features: – IO-Link (PHY) device layer based on L6362A – Operating voltage range 6.5 to 35 V – Dedicated CQ overload pin (wake-up) – Diagno

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

STM32 development boards

文件：3.4225 Mbytes Page：26 Pages

EasyMx PRO

文件：646.78 Kbytes Page：2 Pages

STLINK-V3SET debugger/programmer for STM8 and STM32

文件：174.17 Kbytes Page：4 Pages

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Energy Harvesting Magnet Contact Transmitter Module

Features Overview Power supply solar cell Antenna helix antenna Frequency / Learn Button STM 320: 868.3 MHz, side button STM 329: 868.3 MHz, back button STM 320U: 902.875 MHz, side button Radiated output power STM 320: max. 6.4 dBm (EIRP) STM 329: max. 5 dBm (EIRP) STM 320U: +99 dBμV/m ± 2

Energy Harvesting Magnet Contact Transmitter Module

Features Overview Power supply solar cell Antenna helix antenna Frequency / Learn Button STM 320: 868.3 MHz, side button STM 329: 868.3 MHz, back button STM 320U: 902.875 MHz, side button Radiated output power STM 320: max. 6.4 dBm (EIRP) STM 329: max. 5 dBm (EIRP) STM 320U: +99 dBμV/m ± 2

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Motor control starter kit

Description The STM3210B-MCKIT motor control starter kit provides a complete development platform with all the hardware and software required to get STM32-based motor control applications started quickly, and shortens time to market by allowing developers to apply what they learn in the evaluatio

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

Leading-edge architecture with Cortex-M3 core

■ Harvard architecture ■ 1.25 DMIPS/MHz and 0.19 mW/MHz ■ Thumb-2 instruction set brings 32-bit performance with 16-bit code density ■ Single cycle multiply and hardware division ■ Embedded, fast interrupt controller is now inside the core allowing: ■ Excellent real-time behaviour ■ Low la

STM3210C-EVAL evaluation board

Description The STM3210C-EVAL evaluation board is a complete development platform for STMicroelectronics ARM Cortex-M3 core-based STM32F107VCT microcontroller. The range of hardware features on the board help you to evaluate all peripherals (USB-OTG FS, ethernet, motor control, CAN, microSD CardT

Evaluation board with STM32F469NI MCU

Features  STM32F469NIH6 microcontroller with 2 Mbytes of Flash memory and 324 Kbytes of RAM in TFBGA package  six 5 V power supply options: – power jack – ST-LINK/V2-1 USB connector – user USB HS connector – user USB FS1 connector – user USB FS2 connector – daughterboard  SAI Audio DAC

RF POWER MODULE WIRELESS LOCAL LOOP APPLICATIONS

DESCRIPTION The STM376-2 module is designed to be used as a linear RF Power Amplifier for WLL or other fixed radio access subscriber applications. This particular model is one of several in design covering the 300-500 MHz frequency range in individual bandwidths of 25 MHz each. ■ LINEAR POWER AM

RF POWER MODULE WIRELESS LOCAL LOOP APPLICATIONS

DESCRIPTION The STM376-2 module is designed to be used as a linear RF Power Amplifier for WLL or other fixed radio access subscriber applications. This particular model is one of several in design covering the 300-500 MHz frequency range in individual bandwidths of 25 MHz each. ■ LINEAR POWER AM

Energy Harvesting Magnet Contact Transmitter Module

Features Overview Power supply solar cell Antenna helix antenna Frequency / Learn Button STM 320: 868.3 MHz, side button STM 329: 868.3 MHz, back button STM 320U: 902.875 MHz, side button Radiated output power STM 320: max. 6.4 dBm (EIRP) STM 329: max. 5 dBm (EIRP) STM 320U: +99 dBμV/m ± 2

Discovery kit with STM32C011F6 MCU

Features • STM32C011F6 Arm® Cortex®‑M0+ core-based microcontroller with 32 Kbytes of Flash memory and 6 Kbytes of RAM, in a UFQFPN20 package • User LED • Reset push-button • 5‑way joystick using a single ADC input pin • Individual STM32 UFQFPN20 to DIL20 module • Board connectors: – USB Mic

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range

Arm®Cortex®-M0 32-bit MCU, 32 KB Flash, 6 KB RAM,2 x USART, timers, ADC, comm. I/Fs, 2-3.6 V

Features • Core: Arm® 32-bit Cortex®-M0+ CPU, frequency up to 48 MHz • -40°C to 85°C/105°C/125°C operating temperature • Memories – Up to 32 Kbytes of flash memory with protection – 6 Kbytes of SRAM with HW parity check • CRC calculation unit • Reset and power management – Voltage range