1.8V STM32 Microcontrollers from STMicroelectronics Bridge Mobile-Platform Subsystems
Geneva, June 11, 2014 – The latest STM32 microcontrollers from STMicroelectronics are specific low-voltage devices that help overcome the challenges designers face when adding a companion chip to a low-voltage host processor. These focused low-voltage microcontrollers connect to the same digital power domain as the host, such as a 1.8V power supply, while allowing on-chip peripherals to operate from higher voltages such as 3.3V, giving freedom from the usual performance trade-offs that come with lower supply voltages.
The STM32F038/48/58/78 and STM32F318/28/58/78 are ideal low-voltage companion microcontrollers that enable flexible design partitioning. The combination of 1.8V digital supply voltage and independent analog domain is particularly strong where a wide analog dynamic range is required, or for connecting directly to USB devices.
§ STM32F0x8 I/Os allow bridging between different voltages without using level shifters
§ The ADC peripheral of STM32F3x8 devices is fully functional down to 1.8V
Versatile processing and memory configurations are available. STM32F0x8 devices combine the ARM® Cortex®-M0 core with up to 128Kbyte on-chip Flash, while the STM32F3x8 based on the ARM Cortex-M4 core with DSP instruction set and floating-point unit have up to 512Kbyte. Extensive pin, peripheral, and software compatibility between the two new low-voltage families, and with the mainstream STM32 F0 and STM32 F3 series, ensure unparalleled design flexibility and scalability.
The low-voltage product lines allow designers to take advantage of the same features as mainstream STM32 F0 and STM32 F3 product series with no compromise or degradation in processing performance when operating at the lower voltage. Moreover, by enabling a simplified hardware implementation, these devices deliver an immediate cost advantage.
These two new STM32 series are well suited to use in portable consumer applications such as smartphones, accessories and media devices, and are offered in low-profile CSP, UQFN or UFBGA package styles as well as TSSOP and LQFP. The full range of package options spans configurations from 20 pins to 100 pins.
Prices for the new low-voltage devices start from $0.66 (10,000 units) for STM32F038F6P6 in 20-pin TSSOP with 32Kbyte Flash, or $0.92 for the STM32F318K8U6 in UQFN32 with 64Kbyte Flash.
STM32F0x8 (up to 105°C)STM32F3x8 (up to 105°C)ARM Cortex-M0 @ 48MHzARM Cortex-M4 DSP with FPU @ 72MHzUp to 128KB FlashUp to 512KB FlashSPI, I2S, USART, I˛C, CANSPI, I˛S, USART, I˛C, CANADC 12bit & DAC, both down to 2.4VUp to four ADCsUSB with clock Recovery (and separate VDD)DAC and PGA down to 2.4VComparators down to 2.0VComparators down to 1.65VRTC, up to 12 timersRTC, up to 17 timersTouch sensing and 5V-tolerant I/OsTouch sensing and 5V-tolerant I/OsWLCSP, UFQFPN, UFBGA, LQFP or TSSOP packagesWLCSP, UFQFPN, UFBGA, or LQFP packages
For further information please visit: www.st.com/stm32
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