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微控制器 (MCU) 與處理器
Arm 式微控制器
Arm Cortex-M4 MCU

LM3S6938

不推薦在新設計中採用

Stellaris LM3S 微控制器

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LM3S6938 不建議用於新設計
此產品將繼續向現有客戶提供。新設計應考量替代產品。
open-in-new 比較替代產品
功能與所比較的裝置相似
TM4C123GH6PM 現行 基於 32 位元 Arm Cortex-M4F 的 MCU，具 80 -MHz、256 -KB 快閃記憶體、32 -KB RAM、2 個 CAN、RTC、USB 和 64 接腳 LQFP The product is an ARM® Cortex™-M4 with comparable peripherals and higher performance.
TM4C1294NCPDT 現行 具有 120-MHZ、1-MB 快閃記憶體、256-KB RAM、USB、ENET MAC+PHY 的 32 位元 Arm Cortex-M4F 架構 MCU The product is an ARM® Cortex™-M4 with broader peripherals and higher performance.

LM3S6938

不推薦在新設計中採用
產品規格表 立即訂購

產品詳細資料

Flash memory (kByte) 256 Number of GPIOs 46 UART 3 Number of I2Cs 1 Operating temperature range (°C) -40 to 85 PWM (Ch) 0 CAN (#) 0 Rating Catalog
Flash memory (kByte) 256 Number of GPIOs 46 UART 3 Number of I2Cs 1 Operating temperature range (°C) -40 to 85 PWM (Ch) 0 CAN (#) 0 Rating Catalog
LQFP (PZ) 100 256 mm² 16 x 16

  • 32-bit ARM® Cortex™-M3 50-MHz processor core with System Timer (SysTick), integrated Nested Vectored Interrupt Controller (NVIC), Memory Protection Unit (MPU), and Thumb-2 instruction set

  • Full-featured debug solution with debug access via JTAG and Serial Wire interfaces, and IEEE 1149.1-1990 compliant Test Access Port (TAP) controller

  • 256 KB single-cycle flash and 64 KB single-cycle SRAM

  • Lower-power battery-backed Hibernation module with Real-Time Clock

  • 7-38 GPIOs (depending on configuration) with programmable control for GPIO interrupts and pad configuration

  • ARM FiRM-compliant Watchdog Timer ; plus four General-Purpose Timer Modules (GPTM), each of which provides two 16-bit timers/counters and can be configured to operate independently

  • 10-bit Analog-to-Digital Converter (ADC) with eight analog input channels and a sample rate of one million samples/second

  • Three fully programmable 16C550-type UARTs with IrDA support

  • Synchronous Serial Interface (SSI), supporting operation for Freescale SPI, MICROWIRE, or Texas Instruments synchronous serial interfaces

  • Inter-Integrated Circuit (I2C) Interface, providing Standard (100 Kbps) and Fast (400 Kbps) transmission and support for sending and receiving data as either a master or a slave

  • Highly configurable 10/100 Ethernet Controller that conforms to the IEEE 802.3-2002 specification with full- and half-duplex modes for both 100 Mbps and 10 Mbps operation, and automatic MDI/MDI-X cross-over correction

  • Three integrated analog comparators configurable for output to initiate an ADC sample sequence, drive an output pin or generate an interrupt

  • Industrial and extended temperature RoHS-compliant 100-pin LQFP package and industrial-range RoHS-compliant 108-ball BGA package

  • 32-bit ARM® Cortex™-M3 50-MHz processor core with System Timer (SysTick), integrated Nested Vectored Interrupt Controller (NVIC), Memory Protection Unit (MPU), and Thumb-2 instruction set

  • Full-featured debug solution with debug access via JTAG and Serial Wire interfaces, and IEEE 1149.1-1990 compliant Test Access Port (TAP) controller

  • 256 KB single-cycle flash and 64 KB single-cycle SRAM

  • Lower-power battery-backed Hibernation module with Real-Time Clock

  • 7-38 GPIOs (depending on configuration) with programmable control for GPIO interrupts and pad configuration

  • ARM FiRM-compliant Watchdog Timer ; plus four General-Purpose Timer Modules (GPTM), each of which provides two 16-bit timers/counters and can be configured to operate independently

  • 10-bit Analog-to-Digital Converter (ADC) with eight analog input channels and a sample rate of one million samples/second

  • Three fully programmable 16C550-type UARTs with IrDA support

  • Synchronous Serial Interface (SSI), supporting operation for Freescale SPI, MICROWIRE, or Texas Instruments synchronous serial interfaces

  • Inter-Integrated Circuit (I2C) Interface, providing Standard (100 Kbps) and Fast (400 Kbps) transmission and support for sending and receiving data as either a master or a slave

  • Highly configurable 10/100 Ethernet Controller that conforms to the IEEE 802.3-2002 specification with full- and half-duplex modes for both 100 Mbps and 10 Mbps operation, and automatic MDI/MDI-X cross-over correction

  • Three integrated analog comparators configurable for output to initiate an ADC sample sequence, drive an output pin or generate an interrupt

  • Industrial and extended temperature RoHS-compliant 100-pin LQFP package and industrial-range RoHS-compliant 108-ball BGA package

The Stellaris® LM3S6938 microcontroller is based on the ARM® Cortex™-M3 controller core operating at up to 50 MHz, with 256 kB flash and 64 kB SRAM. The LM3S6938 also features real-time industrial connectivity, with a 10/100 Ethernet MAC/PHY, an SSI / SPI controller, an I2C interface, and 3 UARTs. The microcontroller also features intelligent analog capability, including 3 analog comparators and 8 channels of highly accurate 10-bit analog-to-digital conversion - with the ability to sample at speeds of 1M samples per second. Finally, the LM3S6938 microcontroller provides a 24-bit systick timer, 4 32-bit or 8 16-bit general-purpose timers, a watchdog timer, a battery-backed hibernation module with RTC and 256 bytes of non-volatile state-saving memory, a low drop-out voltage regulator so that only one supply voltage is required, brown-out reset, power-on reset controller, and up to 38 GPIOs.

The Stellaris® LM3S6938 microcontroller is based on the ARM® Cortex™-M3 controller core operating at up to 50 MHz, with 256 kB flash and 64 kB SRAM. The LM3S6938 also features real-time industrial connectivity, with a 10/100 Ethernet MAC/PHY, an SSI / SPI controller, an I2C interface, and 3 UARTs. The microcontroller also features intelligent analog capability, including 3 analog comparators and 8 channels of highly accurate 10-bit analog-to-digital conversion - with the ability to sample at speeds of 1M samples per second. Finally, the LM3S6938 microcontroller provides a 24-bit systick timer, 4 32-bit or 8 16-bit general-purpose timers, a watchdog timer, a battery-backed hibernation module with RTC and 256 bytes of non-volatile state-saving memory, a low drop-out voltage regulator so that only one supply voltage is required, brown-out reset, power-on reset controller, and up to 38 GPIOs.
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類型 標題 日期
* Data sheet Stellaris LM3S6938 Microcontroller Data Sheet datasheet (Rev. I) 2014年 7月 16日
* Errata Stellaris LM3S Sandstorm-, Fury-, and DustDevil-Class Microcontrollers Errata 2014年 6月 26日

訂購與品質

內含資訊：
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
內含資訊：
  • 晶圓廠位置
  • 組裝地點