MSP430F149IPM.B datasheet(13/88 Pages) TI2

13 / 88 page

MSP430F149, MSP430F148, MSP430F147

MSP430F1491, MSP430F1481, MSP430F1471

MSP430F135, MSP430F133

www.ti.com

SLAS272H – JULY 2000 – REVISED MAY 2018

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Product Folder Links: MSP430F149 MSP430F148 MSP430F147 MSP430F1491 MSP430F1481 MSP430F1471

MSP430F135 MSP430F133

Terminal Configuration and Functions

Table 4-2 describes the signals for the MSP430F14x1 MCUs. See Table 4-1 for the MSP430F13x and

MSP430F14x signal descriptions.

Table 4-2. Signal Descriptions for MSP430F14x1

SIGNAL NAME

PIN NO.

I/O

DESCRIPTION

AVCC

Analog supply voltage positive terminal

AVSS

Analog supply voltage negative terminal

DVCC

Digital supply voltage, positive terminal. Supplies all digital parts.

DVSS

Digital supply voltage, negative terminal. Supplies all digital parts.

P1.0/TACLK

I/O

General-purpose digital I/O pin

Timer_A, clock signal TACLK input

P1.1/TA0

I/O

General-purpose digital I/O pin

Timer_A, capture: CCI0A input, compare: Out0 output

BSL transmit

P1.2/TA1

I/O

General-purpose digital I/O pin

Timer_A, capture: CCI1A input, compare: Out1 output

P1.3/TA2

I/O

General-purpose digital I/O pin

Timer_A, capture: CCI2A input, compare: Out2 output

P1.4/SMCLK

I/O

General-purpose digital I/O pin

SMCLK signal output

P1.5/TA0

I/O

General-purpose digital I/O pin

Timer_A, compare: Out0 output

P1.6/TA1

I/O

General-purpose digital I/O pin

Timer_A, compare: Out1 output

P1.7/TA2

I/O

General-purpose digital I/O pin

Timer_A, compare: Out2 output

P2.0/ACLK

I/O

General-purpose digital I/O pin

ACLK output

P2.1/TAINCLK

I/O

General-purpose digital I/O pin

Timer_A, clock signal at INCLK

P2.2/CAOUT/TA0

I/O

General-purpose digital I/O pin

Timer_A, capture: CCI0B input

Comparator_A output

BSL receive

P2.3/CA0/TA1

I/O

General-purpose digital I/O pin

Timer_A, compare: Out1 output

Comparator_A input

P2.4/CA1/TA2

I/O

General-purpose digital I/O pin

Timer_A, compare: Out2 output

Comparator_A input

P2.5/ROSC

I/O

General-purpose digital I/O pin

Input for external resistor defining the DCO nominal frequency

P2.6

I/O

General-purpose digital I/O pin

P2.7/TA0

I/O

General-purpose digital I/O pin

Timer_A, compare: Out0 output

P3.0/STE0

I/O

General-purpose digital I/O pin

Slave transmit enable for USART0 in SPI mode

P3.1/SIMO0

I/O

General-purpose digital I/O pin

Slave in/master out of USART0 in SPI mode

P3.2/SOMI0

I/O

General-purpose digital I/O pin

Slave out/master in of USART0 in SPI mode

P3.3/UCLK0

I/O

General-purpose digital I/O

USART0 clock: external input in UART or SPI mode, output in SPI mode

P3.4/UTXD0

I/O

General-purpose digital I/O pin

Transmit data out for USART0 in UART mode

P3.5/URXD0

I/O

General-purpose digital I/O pin

Receive data in for USART0 in UART mode

MSP430F149IPM.B Datasheet(PDF) 13 Page - Texas Instruments

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