SLAS787 datasheet(3/52 Pages) TI2

3 / 52 page

MSP430G2231-Q1

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SLAS787B – NOVEMBER 2011 – REVISED MARCH 2014

Table of Contents

9.18

Crystal Oscillator, Xt1, Low-Frequency Mode ..... 25

Features ................................................................. 1

9.19

Internal Very-Low-Power Low-Frequency Oscillator

Applications .......................................................... 1

(VLO) ...................................................................... 25

Description ............................................................ 1

9.20

Timer_A ................................................................ 25

Functional Block Diagram ................................... 2

9.21

USI, Universal Serial Interface ............................. 26

Revision History ................................................... 4

9.22

Typical Characteristics – USI Low-Level Output

Device Characteristics ......................................... 4

Voltage On SDA and SCL ...................................... 26

9.23

10-Bit ADC, Power Supply and Input Range

Terminal Configuration and Functions ............... 5

Conditions ............................................................... 27

7.1

14-Pin PW Package (Top View) .............................. 5

9.24

10-Bit ADC, Built-In Voltage Reference ............... 28

7.2

16-Pin RSA Package (Top View) ............................. 5

9.25

10-Bit ADC, External Reference .......................... 29

7.3

Terminal Functions .................................................. 6

9.26

10-Bit ADC, Timing Parameters ........................... 29

Detailed Description ............................................. 7

9.27

10-Bit ADC, Linearity Parameters ........................ 29

8.1

CPU .......................................................................... 7

9.28

10-Bit ADC, Temperature Sensor and Built-In VMID

8.2

Instruction Set .......................................................... 7

................................................................................. 30

8.3

Operating Modes ..................................................... 8

9.29

Flash Memory ...................................................... 30

8.4

Interrupt Vector Addresses ...................................... 9

9.30

RAM ..................................................................... 31

8.5

Special Function Registers (SFRs) ........................ 10

9.31

JTAG and Spy-Bi-Wire Interface .......................... 31

8.6

Memory Organization ............................................. 11

9.32

JTAG Fuse ........................................................... 31

8.7

Flash Memory ........................................................ 11

I/O Port Schematics ........................................... 32

8.8

Peripherals ............................................................. 12

10.1

Port P1 Pin Schematic: P1.0 To P1.2, Input/Output

Specifications ...................................................... 16

With Schmitt Trigger ............................................... 32

9.1

Absolute Maximum Ratings ................................... 16

10.2

Port P1 Pin Schematic: P1.3, Input/Output With

9.2

Recommended Operating Conditions .................... 16

Schmitt Trigger ........................................................ 34

9.3

Active Mode Supply Current Into VCC Excluding

10.3

Port P1 Pin Schematic: P1.4, Input/Output With

External Current ...................................................... 17

Schmitt Trigger ........................................................ 35

9.4

Typical Characteristics – Active Mode Supply Current

10.4

Port P1 Pin Schematic: P1.5, Input/Output With

(Into VCC) ................................................................ 17

Schmitt Trigger ........................................................ 36

9.5

Low-Power Mode Supply Currents (Into VCC)

10.5

Port P1 Pin Schematic: P1.6, Input/Output With

Excluding External Current ..................................... 18

Schmitt Trigger ........................................................ 37

9.6

Typical Characteristics, Low-Power Mode Supply

10.6

Port P1 Pin Schematic: P1.7, Input/Output With

Currents .................................................................. 18

Schmitt Trigger ........................................................ 38

9.7

Schmitt-Trigger Inputs – Ports Px .......................... 19

10.7

Port P2 Pin Schematic: P2.6, Input/Output With

Schmitt Trigger ........................................................ 39

9.8

Leakage Current – Ports Px .................................. 19

10.8

Port P2 Pin Schematic: P2.7, Input/Output With

9.9

Outputs – Ports Px ................................................. 19

Schmitt Trigger ........................................................ 40

9.10

Output Frequency – Ports Px .............................. 19

Device and Documentation Support ................ 41

9.11

Typical Characteristics – Outputs ........................ 20

11.1

Device Support .................................................... 41

9.12

POR, BOR ........................................................... 21

11.2

Documentation Support ....................................... 43

9.13

Main DCO Characteristics ................................... 23

11.3

Community Resources ......................................... 43

9.14

DCO Frequency ................................................... 23

11.4

Trademarks .......................................................... 44

9.15

Calibrated DCO Frequencies – Tolerance ........... 24

11.5

Electrostatic Discharge Caution ........................... 44

9.16

Wakeup From Lower-Power Modes (LPM3,

LPM4) – Electrical Characteristics .......................... 24

11.6

Glossary ............................................................... 44

9.17

Typical Characteristics – DCO Clock Wakeup Time

Mechanical, Packaging, and Orderable

From LPM3, LPM4 .................................................. 24

Information .......................................................... 44

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