SLAS455D datasheet(5/67 Pages) TI2

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MSP430F42x0

MIXED SIGNAL MICROCONTROLLER

SLAS455D − MARCH 2005 − REVISED APRIL 2007

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

MSP430F42x0 Terminal Functions

TERMINAL

NAME

NO.

RGZ

NO.

I/O

DESCRIPTION

TDO/TDI

I/O

Test data output port. TDO/TDI data output or programming data input terminal

TDI/TCLK

Test data input or test clock input. The device protection fuse is connected to TDI/TCLK.

TMS

Test mode select. TMS is used as an input port for device programming and test.

TCK

Test clock. TCK is the clock input port for device programming and test.

RST/NMI

General-purpose digital I/O / reset input or nonmaskable interrupt input port

DVCC

Digital supply voltage, positive terminal

DVSS

Digital supply voltage, negative terminal

XIN

Input terminal of crystal oscillator XT1

XOUT

Output terminal of crystal oscillator XT1

AVSS

Analog supply voltage, negative terminal

AVCC

Analog supply voltage, positive terminal

VREF

I/O

Analog reference voltage

P6.0/A0+

I/O

General-purpose digital I/O / analog input A0+

P6.1/A0−

I/O

General-purpose digital I/O / analog input A0−

P6.2/A1+

I/O

General-purpose digital I/O / analog input A1+

P6.3/A1−

I/O

General-purpose digital I/O / analog input A1−

P6.4

I/O

General-purpose digital I/O

P6.5

I/O

General-purpose digital I/O

P6.6

I/O

General-purpose digital I/O

P6.7

I/O

General-purpose digital I/O

P1.7/A2+

I/O

General-purpose digital I/O / analog input A2+

P1.6/A2−

I/O

General-purpose digital I/O / analog input A2−

P1.5/TACLK/ACLK/A3+

I/O

General-purpose digital I/O / Timer_A, clock signal TACLK input /

ACLK output (divided by 1, 2, 4, or 8) / analog input A3+

P1.4/A3−/DAC0

I/O

General-purpose digital I/O / analog input A3− / DAC12 output

P1.3/TA2/A4+

I/O

General-purpose digital I/O / Timer_A, Capture: CCI2A, compare: Out2 output /

analog input A4+

P1.2/TA1/A4−

I/O

General-purpose digital I/O / Timer_A, Capture: CCI1A, compare: Out1 output /

analog input A4−

P1.1/TA0/MCLK

I/O

General-purpose digital I/O / Timer_A. Capture: CCI0B / MCLK output. Note: TA0 is only an

input on this pin / BSL Receive

P1.0/TA0

I/O

General-purpose digital I/O / Timer_A. Capture: CCI0A input, compare: Out0 output / BSL

Transmit

LCDREF/R13

External LCD reference voltage input / input port of third most positive analog LCD level (V4

or V3)

LCDCAP/R23

Capacitor connection for LCD charge pump /

input port of second most positive analog LCD level (V2)

P5.1/S0

I/O

General-purpose digital I/O / LCD segment output 0

P5.0/S1

I/O

General-purpose digital I/O / LCD segment output 1

P5.5/S2

I/O

General-purpose digital I/O / LCD segment output 2

P5.6/S3

I/O

General-purpose digital I/O / LCD segment output 3

P5.7/S4

I/O

General-purpose digital I/O / LCD segment output 4

LCD segment output 5

P2.7/S6

I/O

General-purpose digital I/O / LCD segment output 6

P2.6/S7

I/O

General-purpose digital I/O / LCD segment output 7

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