MSP430F438系列介绍资料

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MSP430F438

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具有 48KB 闪存、2KB SRAM、12 位 ADC、比较器、SPI/UART、128 段 LCD 的 8MHz MCU

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The Texas Instruments MSP430 family of ultralow power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency.The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6µs.

The MSP430F43x series are microcontroller configurations with two 16-bit timers, a high performance 12-bit A/D converter, one universal synchronous/asynchronous communication interface (USART),DMA, 48 I/O pins, and a liquid crystal display (LCD) driver.

Typical applications for this device include analog and digital sensor systems, digital motor control, remote controls, thermostats, digital timers, hand-held meters, etc.

Low Supply-Voltage Range, 1.8 V to 3.6 V
Ultralow-Power Consumption:
- Active Mode: 300 µA at 1 MHz, 2.2 V
- Standby Mode: 1.1 µA
- Off Mode (RAM Retention): 0.1 µA
Five Power Saving Modes
Wake-Up From Standby Mode in Less Than 6 µs
16-Bit RISC Architecture,
125-ns Instruction Cycle Time
Single-Channel Internal DMA
12-Bit A/D Converter With Internal Reference,
Sample-and-Hold and Autoscan Feature
16-Bit Timer_A With Three
Capture/Compare Registers
16-Bit Timer_B With Three
Capture/Compare-With-Shadow Registers
On-Chip Comparator
Serial Communication Interface (USART), Select Asynchronous
UART or Synchronous SPI by Software
Brownout Detector
Supply Voltage Supervisor/Monitor With
Programmable Level Detection
Bootstrap Loader
Serial Onboard Programming, No External Programming
Voltage Needed Programmable Code Protection by
Security Fuse
Integrated LCD Driver for Up to 128 Segments
Family Members Include:
- MSP430F438:
  48KB+256B Flash Memory,
  2KB RAM
- MSP430F439:
  60KB+256B Flash Memory,
  2KB RAM
For Complete Module Descriptions, See The MSP430x4xx Family User’s Guide, Literature Number SLAU056

Frequency (MHz)	8
Nonvolatile memory (kByte)	48
RAM (kByte)	2
ADC type	12-bit SAR
Number of ADC channels	12
Number of GPIOs	48
Features	LCD
UART	1
USB	No
Number of I2Cs	0
SPI	1
Number of comparator channels	2
Timers - 16-bit	2
Bootloader (BSL)	UART
Operating temperature range (°C)	-40 to 85
Rating	Catalog

LQFP (PN)

196 mm² 14 x 14

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MSP430F438

具有 48KB 闪存、2KB SRAM、12 位 ADC、比较器、SPI/UART、128 段 LCD 的 8MHz MCU

4000-306-326