MSP430F149数据手册
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SLAS272F − JULY 2000 − REVISED JUNE 2004
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D Low Supply-Voltage Range, 1.8 V . . . 3.6 V
D Ultralow-Power Consumption:
− Active Mode: 280 µA at 1 MHz, 2.2V
− Standby Mode: 1.6 µA
− Off Mode (RAM Retention): 0.1 µA
D Five Power-Saving Modes
D Wake-Up From Standby Mode in less
than 6 µs
D 16-Bit RISC Architecture,
125-ns Instruction Cycle Time
D 12-Bit A/D Converter With Internal
Reference, Sample-and-Hold and Autoscan
Feature
D 16-Bit Timer_B With Seven
Capture/Compare-With-Shadow Registers
D 16-Bit Timer_A With Three
Capture/Compare Registers
D On-Chip Comparator
D Serial Onboard Programming,
No External Programming Voltage Needed
Programmable Code Protection by Security
Fuse
D Serial Communication Interface (USART),
Functions as Asynchronous UART or
Synchronous SPI Interface
− Two USARTs (USART0, USART1) —
MSP430x14x(1) Devices
− One USART (USART0) — MSP430x13x
Devices
D Family Members Include:
− MSP430F133:
8KB+256B Flash Memory,
256B RAM
− MSP430F135:
16KB+256B Flash Memory,
512B RAM
− MSP430F147, MSP430F1471
†
:
32KB+256B Flash Memory,
1KB RAM
− MSP430F148, MSP430F1481
†
:
48KB+256B Flash Memory,
2KB RAM
− MSP430F149, MSP430F1491
†
:
60KB+256B Flash Memory,
2KB RAM
D Available in 64-Pin Quad Flat Pack (QFP)
and 64-pin QFN
D For Complete Module Descriptions, See the
MSP430x1xx Family User’s Guide,
Literature Number SLAU049
†
The MSP430F14x1 devices are identical to the MSP430F14x
devices with the exception that the ADC12 module is not
implemented.
description
The Texas Instruments MSP430 family of ultralow-power microcontrollers consist 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 attribute to maximum code efficiency.
The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6 µs.
The MSP430x13x and the MSP430x14x(1) series are microcontroller configurations with two built-in 16-bit
timers, a fast 12-bit A/D converter (not implemented on the MSP430F14x1 devices), one or two universal serial
synchronous/asynchronous communication interfaces (USART), and 48 I/O pins.
Typical applications include sensor systems that capture analog signals, convert them to digital values, and
process and transmit the data to a host system. The timers make the configurations ideal for industrial control
applications such as ripple counters, digital motor control, EE-meters, hand-held meters, etc. The hardware
multiplier enhances the performance and offers a broad code and hardware-compatible family solution.
Copyright 2000 − 2004, Texas Instruments Incorporated
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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