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ꢀ ꢈꢉꢊ ꢋ ꢁꢈ ꢌ ꢍꢎꢏ ꢀ ꢈꢐꢑꢒ ꢐꢒ ꢍꢓ ꢑꢒ ꢏꢏ ꢊꢑ
SLAS344A – JANUARY 2002 – REVISED FEBRUARY 2002
D
D
Low Supply-Voltage Range, 1.8 V to 3.6 V
D
Serial Onboard Programming,
No External Programming Voltage Needed
Programmable Code Protection by Security
Fuse
Ultralow-Power Consumption:
– Active Mode: 280 µA at 1 MHz, 2.2 V
– Standby Mode: 1.1 µA
– Off Mode (RAM Retention): 0.1 µA
D
D
Integrated LCD Driver for Up to
160 Segments
D
D
D
Five Power Saving Modes
Family Members Include:
– MSP430F435:
16KB+256B Flash Memory,
512B RAM
– MSP430F436:
24KB+256B Flash Memory,
1KB RAM
– MSP430F437:
Wake-Up From Standby Mode in 6 µs
16-Bit RISC Architecture,
125-ns Instruction Cycle Time
D
D
D
12-Bit A/D Converter With Internal
Reference, Sample-and-Hold and Autoscan
Feature
†
‡
16-Bit Timer With Three or Seven
Capture/Compare-With-Shadow Registers,
Timer_B
32KB+256B Flash Memory,
1KB RAM
– MSP430F447:
32KB+256B Flash Memory,
1KB RAM
– MSP430F448:
48KB+256B Flash Memory,
2KB RAM
– MSP430F449:
16-Bit Timer With Three Capture/Compare
Registers, Timer_A
D
On-Chip Comparator
D
Serial Communication Interface (USART),
Select Asynchronous UART or
Synchronous SPI by Software;
Two USARTs (USART0, USART1) In
MSP430x44x Devices
60KB+256B Flash Memory,
2KB RAM
One USART (USART0) In MSP430x43x
Devices
D
For Complete Module Descriptions, See
The MSP430x4xx Family User’s Guide,
Literature Number SLAU056
D
D
Brownout Detector
Supply Voltage Supervisor/Monitor With
Programmable Level Detection
†
’F435, ’F436, and ’F437 devices
‡
’F447, ’F448, and ’F449 devices
description
The Texas Instruments MSP430 series is an ultralow-power microcontroller family consisting of several devices
featuring different sets of modules targeted to various applications. The microcontroller is designed to be battery
operated for use in extended-time applications. The MSP430 achieves maximum code efficiency with its 16-bit
RISC architecture, 16-bit CPU-integrated registers, and a constant generator. The digitally-controlled oscillator
provides wake-up from low-power mode to active mode in less than 6 µs. The MSP430x43x and the
MSP430x44x series are microcontroller configurations with two built-in 16-bit timers, a fast 12-bit A/D converter,
one or two universal serial synchronous/asynchronous communication interfaces (USART), 48 I/O pins, and
a liquid crystal driver (LCD) with up to 160 segments.
Typical applications include sensor systems that capture analog signals, convert them to digital values, and
process and transmit the data to a host system, or process this data and displays it on a LCD panel. 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.
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.
Copyright 2002, Texas Instruments Incorporated
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ꢝ ꢜ ꢛ ꢖꢤ ꢛ ꢙꢤ ꢧ ꢛ ꢙꢙ ꢛ ꢖ ꢜꢨꢥ ꢂꢙ ꢘ ꢤꢟꢞ ꢜꢕꢘꢖ ꢡꢙ ꢘꢞ ꢠꢝ ꢝꢕ ꢖꢩ ꢤꢘꢠ ꢝ ꢖꢘꢜ ꢖꢠ ꢞꢠ ꢝꢝ ꢛꢙ ꢕꢣ ꢨ ꢕꢖꢞ ꢣꢟꢤ ꢠ
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