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Contents

README

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MSP430F149IPMR

Texas Instruments · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)

MSP430F149IPMR from Texas Instruments, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 DVCC power_in Digital supply voltage positive terminal supplying all digital parts of the device.
2 P6.3/A3 bidirectional General-purpose digital I/O pin that can function as analog input A3 for the 12-bit ADC.
3 P6.4/A4 bidirectional General-purpose digital I/O pin that can function as analog input A4 for the 12-bit ADC.
4 P6.5/A5 bidirectional General-purpose digital I/O pin that can function as analog input A5 for the 12-bit ADC.
5 P6.6/A6 bidirectional General-purpose digital I/O pin that can function as analog input A6 for the 12-bit ADC.
6 P6.7/A7 bidirectional General-purpose digital I/O pin that can function as analog input A7 for the 12-bit ADC.
7 VREF+ power_in Output of positive terminal of the internal reference voltage for the ADC.
8 XIN input Input port for crystal oscillator XT1; accepts standard or watch crystals up to 8 MHz.
9 XOUT output Output terminal of crystal oscillator XT1 for external crystal connection.
10 VeREF+ input Input port for external positive reference voltage to the ADC.
11 VREF-/VeREF- power_in Negative terminal for the ADC reference voltage; connects to AVSS when using internal reference or external reference input.
12 P1.0/TACLK bidirectional General-purpose digital I/O pin that can function as Timer_A clock signal TACLK input.
13 P1.1/TA0 bidirectional General-purpose digital I/O pin that can function as Timer_A capture input CCI0A, compare output Out0, or BSL transmit.
14 P1.2/TA1 bidirectional General-purpose digital I/O pin that can function as Timer_A capture input CCI0A, compare output Out0, or BSL transmit.
15 P1.3/TA2 bidirectional General-purpose digital I/O pin that can function as Timer_A capture input CCI2A and compare output Out2.
16 P1.4/SMCLK bidirectional General-purpose digital I/O pin that can output the submain system clock SMCLK signal.
17 P1.5/TA0 bidirectional General-purpose digital I/O pin that can function as Timer_A compare output Out0.
18 P1.6/TA1 bidirectional General-purpose digital I/O pin that can function as Timer_A compare output Out1.
19 P1.7/TA2 bidirectional General-purpose digital I/O pin that can function as Timer_A compare output Out2.
20 P2.0/ACLK bidirectional General-purpose digital I/O pin that can output the auxiliary clock ACLK signal.
21 P2.1/TAINCLK bidirectional General-purpose digital I/O pin that can function as Timer_A clock signal INCLK input.
22 P2.2/CAOUT/TA0 bidirectional General-purpose digital I/O pin that can function as Comparator_A output, Timer_A capture input CCI0B, or BSL receive.
23 P2.3/CA0/TA1 bidirectional General-purpose digital I/O pin that can function as Comparator_A input or Timer_A compare output Out1.
24 P2.4/CA1/TA2 bidirectional General-purpose digital I/O pin that can function as Comparator_A input or Timer_A compare output Out2.
25 P2.5/ROSC bidirectional General-purpose digital I/O pin that can function as input for external resistor defining the DCO nominal frequency.
26 P2.6/ADC12CLK bidirectional General-purpose digital I/O pin that can function as conversion clock for the 12-bit ADC.
27 P2.7/TA0 bidirectional General-purpose digital I/O pin that can function as Timer_A compare output Out0.
28 P3.0/STE0 bidirectional General-purpose digital I/O pin that can function as slave transmit enable for USART0 in SPI mode.
29 P3.1/SIMO0 bidirectional General-purpose digital I/O pin that can function as slave in/master out of USART0 in SPI mode.
30 P3.2/SOMI0 bidirectional General-purpose digital I/O pin that can function as slave out/master in of USART0 in SPI mode.
31 P3.3/UCLK0 bidirectional General-purpose digital I/O pin that can function as USART0 clock external input in UART or SPI mode, or output in SPI mode.
32 P3.4/UTXD0 bidirectional General-purpose digital I/O pin that can function as transmit data output for USART0 in UART mode.
33 P3.5/URXD0 bidirectional General-purpose digital I/O pin that can function as receive data input for USART0 in UART mode.
34 P3.6/UTXD1 bidirectional General-purpose digital I/O pin that can function as transmit data output for USART1 in UART mode.
35 P3.7/URXD1 bidirectional General-purpose digital I/O pin that can function as receive data input for USART1 in UART mode.
36 P4.0/TB0 bidirectional General-purpose digital I/O pin that can function as Timer_B capture input CCI0A or CCI0B and compare output Out0.
37 P4.1/TB1 bidirectional General-purpose digital I/O pin that can function as Timer_B capture input CCI1A or CCI1B and compare output Out1.
38 P4.2/TB2 bidirectional General-purpose digital I/O pin that can function as Timer_B capture input CCI2A or CCI2B and compare output Out2.
39 P4.3/TB3 bidirectional General-purpose digital I/O pin that can function as Timer_B capture input CCI3A or CCI3B and compare output Out3.
40 P4.4/TB4 bidirectional General-purpose digital I/O pin that can function as Timer_B capture input CCI4A or CCI4B and compare output Out4.
41 P4.5/TB5 bidirectional General-purpose digital I/O pin that can function as Timer_B capture input CCI5A or CCI5B and compare output Out5.
42 P4.6/TB6 bidirectional General-purpose digital I/O pin that can function as Timer_B capture input CCI6A or CCI6B and compare output Out6.
43 P4.7/TBCLK bidirectional General-purpose digital I/O pin that can function as Timer_B clock signal TBCLK input.
44 P5.0/STE1 bidirectional General-purpose digital I/O pin that can function as slave transmit enable for USART1 in SPI mode.
45 P5.1/SIMO1 bidirectional General-purpose digital I/O pin that can function as slave in/master out of USART1 in SPI mode.
46 P5.2/SOMI1 bidirectional General-purpose digital I/O pin that can function as slave out/master in of USART1 in SPI mode.
47 P5.3/UCLK1 bidirectional General-purpose digital I/O pin that can function as USART1 clock external input in UART or SPI mode, or output in SPI mode.
48 P5.4/MCLK bidirectional General-purpose digital I/O pin that can function as main system clock MCLK output.
49 P5.5/SMCLK bidirectional General-purpose digital I/O pin that can function as submain system clock SMCLK output.
50 P5.6/ACLK bidirectional General-purpose digital I/O pin that can function as auxiliary clock ACLK output.
51 P5.7/TBOUTH bidirectional General-purpose digital I/O pin that can switch all PWM digital output ports to high impedance for Timer_B7 (TB0 to TB6).
52 XT2OUT output Output terminal of crystal oscillator XT2 for external crystal connection.
53 XT2IN input Input port for crystal oscillator XT2; accepts standard crystals up to 8 MHz.
54 TDO/TDI output Test data output port for JTAG programming and debugging; can function as programming data input during special modes.
55 TDI/TCLK input Test data input port for JTAG operations; device protection fuse is connected to this pin for fuse blowing.
56 TMS input Test mode select input port used for device programming and JTAG test operations.
57 TCK input Test clock input port for device programming, JTAG debugging, and bootloader start operations.
58 RST/NMI input Reset input pin and nonmaskable interrupt input port; low pulse triggers reset or NMI interrupt.
59 P6.0/A0 bidirectional General-purpose digital I/O pin that can function as analog input A0 for the 12-bit ADC.
60 P6.1/A1 bidirectional General-purpose digital I/O pin that can function as analog input A1 for the 12-bit ADC.
61 P6.2/A2 bidirectional General-purpose digital I/O pin that can function as analog input A2 for the 12-bit ADC.
62 AVSS power_in Analog supply voltage negative terminal and ground return for the analog portion of the ADC.
63 DVSS power_in Digital supply voltage negative terminal and ground return for all digital parts of the device.
64 AVCC power_in Analog supply voltage positive terminal supplying the analog portion of the ADC.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package LQFP-64(10x10)
Category Embedded Processors & Controllers
Pins 64

CAD (KiCad official)

  • Symbol: MSP430F149IPMR
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: msp430f149ipmr-etched.step / msp430f149ipmr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msp430f149ipmr.step / msp430f149ipmr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (88 pp, sha256 204ddbe54beb84d7, retrieved 2026-09-22, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF