Datasheet

MSP430F21x1
www.ti.com
SLAS439F SEPTEMBER 2004 REVISED AUGUST 2011
MIXED SIGNAL MICROCONTROLLER
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FEATURES
Serial Onboard Programming, No External
Programming Voltage Needed, Programmable
Low Supply Voltage Range: 1.8 V to 3.6 V
Code Protection by Security Fuse
Ultra-Low Power Consumption
Bootstrap Loader
Active Mode: 250 μA at 1 MHz, 2.2 V
On Chip Emulation Module
Standby Mode: 0.7 μA
Family Members:
Off Mode (RAM Retention): 0.1 μA
MSP430F2101
Ultra-Fast Wake-Up From Standby Mode in
1KB + 256B Flash Memory
Less Than 1 μs
128B RAM
16-Bit RISC Architecture, 62.5-ns Instruction
MSP430F2111
Cycle Time
2KB + 256B Flash Memory
Basic Clock Module Configurations
128B RAM
Internal Frequencies up to 16 MHz With
Four Calibrated Frequencies to ±1%
MSP430F2121
32-kHz Crystal
4KB + 256B Flash Memory
High-Frequency Crystal up to 16 MHz
256B RAM
Resonator
MSP430F2131
External Digital Clock Source
8KB + 256B Flash Memory
16-Bit Timer_A With Three Capture/Compare
256B RAM
Registers
Available in a 20-Pin Plastic Small-Outline
On-Chip Comparator for Analog Signal
Wide Body (SOWB) Package, 20-Pin Plastic
Compare Function or Slope Analog-to-Digital
Small-Outline Thin (TSSOP) Package, 20-Pin
(A/D) Conversion
TVSOP Package, and 24-Pin QFN Package
Brownout Detector
For Complete Module Descriptions, See the
MSP430x2xx Family Users Guide (SLAU144)
DESCRIPTION
The Texas Instruments MSP430 family of ultra-low-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 contribute to maximum code
efficiency.The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less
than 1 μs.
The MSP430x21x1 series is an ultra-low-power mixed signal microcontroller with a built-in 16-bit timer, versatile
analog comparator, and sixteen I/O pins.
Typical applications include sensor systems that capture analog signals, convert themto digital values, and then
process the data for display or for transmission to a host system. Stand-alone RF sensor front end is another
area of application. The analog comparator provides slope A/D conversion capability.
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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.
PRODUCTION DATA information is current as of publication date.
Copyright © 20042011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.

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