STM32L100RB-A
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Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU with 128 Kbytes of Flash memory, 32 MHz CPU, LCD, USB

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Product overview

概要

The ultra-low-power STM32L100x6/8/B-A devices incorporate the connectivity power of the universal serial bus (USB) with the high-performance ARM® Cortex®-M3 32-bit RISC core operating at a frequency of 32 MHz (33.3 DMIPS), a memory protection unit (MPU), high-speed embedded memories (Flash memory up to 128 Kbytes and RAM up to 16 Kbytes) and an extensive range of enhanced I/Os and peripherals connected to two APB buses.

All the devices offer a 12-bit ADC, 2 DACs and 2 ultra-low-power comparators, six general-purpose 16-bit timers and two basic timers, which can be used as time bases.

Moreover, the STM32L100x6/8/B-A devices contain standard and advanced communication interfaces: up to two I2Cs and SPIs, three USARTs and a USB.

They also include a real-time clock with sub-second counting and a set of backup registers that remain powered in Standby mode.

Finally, the integrated LCD controller has a built-in LCD voltage generator that allows to drive up to 8 multiplexed LCDs with contrast independent of the supply voltage.

The ultra-low-power STM32L100x6/8/B-A devices operate from a 1.8 to 3.6 V power supply. They are available in the -40 to +85 °C temperature range. A comprehensive set of power-saving modes allows the design of low-power applications.

  • All features

    • Ultra-low-power platform
      • 1.8 V to 3.6 V power supply
      • -40°C to 85°C temperature range
      • 0.28 µA Standby mode (2 wakeup pins)
      • 1.11 µA Standby mode + RTC
      • 0.44 µA Stop mode (16 wakeup lines)
      • 1.38 µA Stop mode + RTC
      • 10.9 µA Low-power Run mode
      • 185 µA/MHz Run mode
      • 10 nA ultra-low I/O leakage
      • < 8 µs wakeup time
    • Core: ARM® Cortex®-M3 32-bit CPU
      • From 32 kHz up to 32 MHz max
      • 1.25 DMIPS/MHz (Dhrystone 2.1)
      • Memory protection unit
    • Reset and supply management
      • Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
      • Ultra-low-power POR/PDR
      • Programmable voltage detector (PVD)
    • Clock sources
      • 1 to 24 MHz crystal oscillator
      • 32 kHz oscillator for RTC with calibration
      • High Speed Internal 16 MHz
      • Internal low-power 37 kHz RC
      • Internal multispeed low-power 65 kHz to 4.2 MHz
      • PLL for CPU clock and USB (48 MHz)
    • Pre-programmed bootloader
      • USART supported
    • Development support
      • Serial wire debug supported
      • JTAG and trace supported
    • Up to 51 fast I/Os (42 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
    • Memories
      • Up to 128 Kbytes of Flash memory with ECC
      • Up to 16 Kbytes of RAM
      • Up to 2 Kbytes of true EEPROM with ECC
      • 20-byte backup register
    • LCD Driver for up to 8x28 segments
      • Support contrast adjustment
      • Support blinking mode
      • Step-up converter on board
    • Rich analog peripherals (down to 1.8 V)
      • 12-bit ADC 1 Msps up to 24 channels
      • 12-bit DAC 2 channels with output buffers
      • 2x ultra-low-power comparators(window mode and wakeup capability)
    • DMA controller 7x channels
    • 8x peripheral communication interfaces
      • 1x USB 2.0 (internal 48 MHz PLL)
      • 3x USART (ISO 7816, IrDA)
      • 2x SPI 16 Mbit/s
      • 2x I2C (SMBus/PMBus)
    • 10x timers: 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers (independent and window)
    • CRC calculation unit

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STMicroelectronics - STM32L100RB-A

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Quality and Reliability

Part Number Marketing Status Package SMPS Grade RoHSコンプライアンスグレード Longevity Commitment Longevity Starting Date Material Declaration**
STM32L100RBT6A
Active
LQFP 64 10x10x1.4 mm - Industrial Ecopack2 10 2026-01-01T00:00:00.000+01:00
STM32L100RBT6ATR
Active
LQFP 64 10x10x1.4 mm - Industrial Ecopack2 10 2026-01-01T00:00:00.000+01:00

STM32L100RBT6A

Package:

LQFP 64 10x10x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LQFP 64 10x10x1.4 mm

SMPS

-

Grade

Industrial

STM32L100RBT6ATR

Package:

LQFP 64 10x10x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

Active

Package

LQFP 64 10x10x1.4 mm

SMPS

-

Grade

Industrial

(**) st.comで提供している材料宣誓書は、パッケージ・ファミリ内で最も一般的に使用されているパッケージに基づく汎用ドキュメントの場合があります。そのため、特定の製品では100%正確ではない可能性があります。特定の製品情報については、セールスサポートまでお問い合わせください

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Timers (typ) (16-bit)
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SMPS
Number of Channels (typ)
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I/Os (High Current)
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STM32L100RBT6A

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STM32L100RBT6ATR

販売代理店在庫 STM32L100RBT6ATR

販売代理店
地域 Stock 最小発注数量 パートナー企業リンク

販売代理店在庫データ:

販売代理店に在庫がない場合は、STのセールス・オフィスまでお問い合わせください

STM32L100RBT6A Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32L100RBT6A

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

2

Timers (typ) (16-bit):

8

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

51

Integrated op-amps:

-

Comparator:

2

SPI (typ):

2

USART (typ):

3

Number of Channels (typ):

20

I2S (typ):

-

Advanced Motor Control Timers:

-

CAN (2.0):

-

CAN (FD):

-

販売代理店

販売代理店在庫データ:

STM32L100RBT6ATR Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM32L100RBT6ATR

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

2

Timers (typ) (16-bit):

8

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

51

Integrated op-amps:

-

Comparator:

2

SPI (typ):

2

USART (typ):

3

Number of Channels (typ):

20

I2S (typ):

-

Advanced Motor Control Timers:

-

CAN (2.0):

-

CAN (FD):

-

販売代理店

販売代理店在庫データ:

(*)概算用の参考価格(US$)です。現地通貨でのお見積りについては、STのセールス・オフィスまたは販売代理店までお問い合わせください。