Novinka:ST: STM32L Ultra-Low-Power ARM Cortex™-M3
(Kategória: Semiconductor-ZONE)
Zaslal EdizonTN
20.04.2010-21:40
Spoločnosť STMicroelectronics oznámila dostupnosť vzoriek novej série MCU - STM32L pre klúčových odberateľov.
Séria STM32L je založená na low- power jadre ARM® Cortex™-M3, je vyrobená na 130nm procese a obsahuje optimalizovanú nízkopríkonovú architektúru pre dosiahnutie vysokého výkonu s nízkym príkonom.
Predpovedané odbery týchto MCU sú (at 1.8V/25°C):
- 10.4 microamps Low- Power Run mode at 32kHz
- 6.1 microamps Low- Power Sleep mode with one timer active
- 1.3 microamps STOP mode: Real-Time Clock (RTC), context preserved, RAM retention
- 0.5 microamps STOP mode: no RTC, context preserved, RAM retention
- 1.0 microamps Stand-By mode: RTC, back-up register preserved
- 270 nanoamps Stand-By mode: no RTC, Back-up register preserved
Vlastnosti série STM32L
- High-performance ARM Cortex™-M3: up to 33 DMIPS
- Economical Run mode: down to 230 μA/MHz from Flash
- 6 ultra-low- power modes: down to 270 nA in standby
- Power supply: 1.65 to 3.6 V
- Ultra-low energy consumption: down to 185 μA/DMIPS
- 64 to 128 Kbytes of embedded Flash, up to 16-Kbyte SRAM
- Rich set of high-end analog and digital peripherals
- Enhanced security and safety features
- Pin-to-pin compatible with existing STM32F series
Vlastnosti STM32L151xx a STM32L152xx
- Operating conditions
– Operating power supply range: 1.65 V to 3.6 V (without BOR) or 1.8 V to 3.6 V (with BOR option)
– Temperature range: –40 to 85 °C
- Low power features
– 7 modes: Sleep, Low- power run (10.4 μA at 32 kHz), Low power sleep (5.1 μA), Stop
with RTC (1.3 μA), Stop (0.5 μA), Standby with RTC (1 μA), Standby (0.27 μA)
– Dynamic core voltage scaling down to 230 μA/MHz (from Flash)
– Ultralow leakage per I/O: 50 nA
– Three wakeup pins
- Core: ARM 32-bit Cortex™-M3 CPU
– 32 MHz maximum frequency, 33.3 DMIPS peak (Dhrystone 2.1)
– Memory protection unit
- Reset and supply management
– Low power, ultrasafe BOR (brownout reset) with 5 selectable thresholds
– Ultralow power POR/PDR
– Programmable voltage detector (PVD)
- Clock management
– 1 to 24 MHz crystal oscillator
– 32 kHz oscillator for RTC with calibration
– Internal 16 MHz factory-trimmed RC
– Internal 37 kHz low consumption RC
– Internal multispeed low power RC, 64 kHz to 4.1 MHz with a consumption down to 1.5 μA
– PLL for CPU clock and USB (48 MHz)
- Low power calendar RTC
– Alarm, periodic wakeup from Stop/ Standby
- Memories
– Up to 128 Kbyte of Flash memory with ECC
– 4 Kbyte of data EEPROM with ECC
– Up to 16 Kbyte of RAM
- Up to 83 fast I/Os (73 of which are 5 V-tolerant) all mappable on 16 external interrupt vectors
- Development support
– Serial wire debug, JTAG and trace
– Readout protection and JTAG fuse
- DMA: 7-channel DMA controller, supporting timers, ADC, SPIs, I2Cs and USARTs
- LCD 8 × 40 or 4 × 44 with step-up converter
- 12-bit ADC up to 1 Msps/24 channels
– Temperature sensor and internal voltage reference
– Operates down to 1.8 V
- 2 × 12-bit DACs with output buffers
- 2 ultralow power comparators
– Window mode and wakeup capability
- 10 timers:
– 6 × 16-bit general-purpose timers, each with up to 4 IC/OC/PWM channels
– 2 × 16-bit basic timers
– 2 × watchdog timers (independent and window)
- Up to 8 communication interfaces
– Up to 2 × I2C interfaces (SMBus/PMBus)
– Up to 3 × USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
– Up to 2 × SPIs (16 Mbit/s)
– USB 2.0 full-speed interface
- CRC calculation unit, 96-bit unique ID
Blokové zapojenie
Odkazy
Data Brief
AN3193 - STM32L15x ultralow power features overview
STM32L Homepage
Cena, dostupnosť
Vzorky série STM32L sú momentálne dostupné pre kľúčových odberateľov.
Cena by mala byť od 1,86 USD za STM32L151 s 64Kbytovou Flash v púzdre LQFP48 ,
až do 2,81 USD za STM32L152 s 128Kbytovou Flash v púzdre LQFP100 (@10k ks).
Sériová výroba je naplánovaná na Q4 2010.
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