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Contents

README

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msp430FG4618IPZ

Texas Instruments · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)

msp430FG4618IPZ from Texas Instruments, in a LQFP-100(14x14). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 DVCC1 power_in Digital supply voltage, positive terminal.
2 P6.3/A3/OA1O bidirectional General-purpose digital I/O, analog input a3 (12-bit ADC), or OA1 output.
3 P6.4/A4/OA1I0 bidirectional General-purpose digital I/O, analog input a4 (12-bit ADC), or OA1 input multiplexer (+/− terminal).
4 P6.5/A5/OA2O bidirectional General-purpose digital I/O, analog input a5 (12-bit ADC), or OA2 output.
5 P6.6/A6/DAC0/OA2I0 bidirectional General-purpose digital I/O, analog input a6 (12-bit ADC), DAC12.0 output, or OA2 input multiplexer (+/− terminal).
6 P6.7/A7/DAC1/SVSIN bidirectional General-purpose digital I/O, analog input a7 (12-bit ADC), DAC12.1 output, or analog input to brownout/supply voltage supervisor.
7 VREF+ power_in Output of positive terminal of the reference voltage in the ADC.
8 XIN input Input port for crystal oscillator XT1; standard or watch crystals can be connected.
9 XOUT output Output terminal of crystal oscillator XT1.
10 VeREF+/DAC0 bidirectional Input for external reference voltage to the ADC or DAC12.0 output.
11 VREF−/VeREF− power_in Negative terminal for the ADC reference voltage (internal reference, external applied reference, or AVSS).
12 P5.1/S0/A12/DAC1 bidirectional General-purpose digital I/O, LCD segment output 0, analog input a12 (12-bit ADC), or DAC12.1 output; disabled when LCD charge pump enabled.
13 P5.0/S1/A13/OA1I1 bidirectional General-purpose digital I/O, LCD segment output 1, analog input a13 (12-bit ADC), or OA1 input multiplexer (+/− terminal); disabled when LCD charge pump enabled.
14 P10.7/S2/A14/OA2I1 bidirectional General-purpose digital I/O, LCD segment output 2, analog input a14 (12-bit ADC), or OA2 input multiplexer (+/− terminal); disabled when LCD charge pump enabled.
15 P10.6/S3/A15 bidirectional General-purpose digital I/O, LCD segment output 3, or analog input a15 (12-bit ADC); disabled when LCD charge pump enabled.
16 P10.5/S4 bidirectional General-purpose digital I/O or LCD segment output 4.
17 P10.4/S5 bidirectional General-purpose digital I/O or LCD segment output 5.
18 P10.3/S6 bidirectional General-purpose digital I/O or LCD segment output 6.
19 P10.2/S7 bidirectional General-purpose digital I/O or LCD segment output 7.
20 P10.1/S8 bidirectional General-purpose digital I/O or LCD segment output 8.
21 P10.0/S9 bidirectional General-purpose digital I/O or LCD segment output 9.
22 P9.7/S10 bidirectional General-purpose digital I/O or LCD segment output 10.
23 P9.6/S11 bidirectional General-purpose digital I/O or LCD segment output 11.
24 P9.5/S12 bidirectional General-purpose digital I/O or LCD segment output 12.
25 P9.4/S13 bidirectional General-purpose digital I/O or LCD segment output 13.
26 P9.3/S14 bidirectional General-purpose digital I/O or LCD segment output 14.
27 P9.2/S15 bidirectional General-purpose digital I/O or LCD segment output 15.
28 P9.1/S16 bidirectional General-purpose digital I/O or LCD segment output 16.
29 P9.0/S17 bidirectional General-purpose digital I/O or LCD segment output 17.
30 P8.7/S18 bidirectional General-purpose digital I/O or LCD segment output 18.
31 P8.6/S19 bidirectional General-purpose digital I/O or LCD segment output 19.
32 P8.5/S20 bidirectional General-purpose digital I/O or LCD segment output 20.
33 P8.4/S21 bidirectional General-purpose digital I/O or LCD segment output 21.
34 P8.3/S22 bidirectional General-purpose digital I/O or LCD segment output 22.
35 P8.2/S23 bidirectional General-purpose digital I/O or LCD segment output 23.
36 P8.1/S24 bidirectional General-purpose digital I/O or LCD segment output 24.
37 P8.0/S25 bidirectional General-purpose digital I/O or LCD segment output 25.
38 P7.7/S26 bidirectional General-purpose digital I/O or LCD segment output 26.
39 P7.6/S27 bidirectional General-purpose digital I/O or LCD segment output 27.
40 P7.5/S28 bidirectional General-purpose digital I/O or LCD segment output 28.
41 P7.4/S29 bidirectional General-purpose digital I/O or LCD segment output 29.
42 P7.3/UCA0CLK/S30 bidirectional General-purpose digital I/O, external clock input (USCI_A0 UART/SPI mode), clock output (USCI_A0 SPI mode), or LCD segment output 30.
43 P7.2/UCA0SOMI/S31 bidirectional General-purpose digital I/O, slave out/master in of USCI_A0 SPI mode, or LCD segment output 31.
44 P7.1/UCA0SIMO/S32 bidirectional General-purpose digital I/O, slave in/master out of USCI_A0 SPI mode, or LCD segment output 32.
45 P7.0/UCA0STE/S33 bidirectional General-purpose digital I/O, slave transmit enable (USCI_A0 SPI mode), or LCD segment output 33.
46 P4.7/UCA0RXD/S34 bidirectional General-purpose digital I/O, receive data in (USCI_A0 UART or IrDA mode), or LCD segment output 34.
47 P4.6/UCA0TXD/S35 bidirectional General-purpose digital I/O, transmit data out (USCI_A0 UART or IrDA mode), or LCD segment output 35.
48 P4.5/UCLK1/S36 bidirectional General-purpose digital I/O, external clock input (USART1 UART/SPI mode), clock output (USART1 SPI mode), or LCD segment output 36.
49 P4.4/SOMI1/S37 bidirectional General-purpose digital I/O, slave out/master in of USART1 SPI mode, or LCD segment output 37.
50 P4.3/SIMO1/S38 bidirectional General-purpose digital I/O, slave in/master out of USART1 SPI mode, or LCD segment output 38.
51 P4.2/STE1/S39 bidirectional General-purpose digital I/O, slave transmit enable (USART1 SPI mode), or LCD segment output 39.
52 COM0 output LCD backplane common output COM0−3 used for LCD display multiplexing.
53 P5.2/COM1 bidirectional General-purpose digital I/O or common output COM0−3 for LCD backplane.
54 P5.3/COM2 bidirectional General-purpose digital I/O or common output COM0−3 for LCD backplane.
55 P5.4/COM3 bidirectional General-purpose digital I/O or common output COM0−3 for LCD backplane.
56 P5.5/R03 bidirectional General-purpose digital I/O or input port of lowest analog LCD level (V5).
57 P5.6/LCDREF/R13 bidirectional General-purpose digital I/O, external reference voltage input for regulated LCD voltage, or input port of third most positive analog LCD level (V4 or V3).
58 P5.7/R23 bidirectional General-purpose digital I/O or input port of second most positive analog LCD level (V2).
59 LCDCAP/R33 passive LCD capacitor connection and input/output port of most positive analog LCD level (V1); requires external capacitor ≥4.7 μF for charge pump.
60 DVCC2 power_in Digital supply voltage, positive terminal.
61 DVSS2 power_in Digital supply voltage, negative terminal (ground).
62 P4.1/URXD1 bidirectional General-purpose digital I/O or receive data in (USART1 UART mode).
63 P4.0/UTXD1 bidirectional General-purpose digital I/O or transmit data out (USART1 UART mode).
64 P3.7/TB6 bidirectional General-purpose digital I/O or Timer_B7 CCR6 (capture: CCI6A/CCI6B input, compare: Out6 output).
65 P3.6/TB5 bidirectional General-purpose digital I/O or Timer_B7 CCR5 (capture: CCI5A/CCI5B input, compare: Out5 output).
66 P3.5/TB4 bidirectional General-purpose digital I/O or Timer_B7 CCR4 (capture: CCI4A/CCI4B input, compare: Out4 output).
67 P3.4/TB3 bidirectional General-purpose digital I/O or Timer_B7 CCR3 (capture: CCI3A/CCI3B input, compare: Out3 output).
68 P3.3/UCB0CLK bidirectional General-purpose digital I/O or external clock input (USCI_B0 UART/SPI mode) or clock output (USCI_B0 SPI mode).
69 P3.2/UCB0SOMI/UCB0SCL bidirectional General-purpose digital I/O, slave out/master in of USCI_B0 SPI mode, or I2C clock (USCI_B0 I2C mode).
70 P3.1/UCB0SIMO/UCB0SDA bidirectional General-purpose digital I/O, slave in/master out of USCI_B0 SPI mode, or I2C data (USCI_B0 I2C mode).
71 P3.0/UCB0STE bidirectional General-purpose digital I/O or slave transmit enable (USCI_B0 SPI mode).
72 P2.7/ADC12CLK/DMAE0 bidirectional General-purpose digital I/O, conversion clock (12-bit ADC), or DMA Channel 0 external trigger.
73 P2.6/CAOUT bidirectional General-purpose digital I/O or Comparator_A output.
74 P2.5/UCA0RXD bidirectional General-purpose digital I/O or receive data in (USCI_A0 UART or IrDA mode).
75 P2.4/UCA0TXD bidirectional General-purpose digital I/O or transmit data out (USCI_A0 UART or IrDA mode).
76 P2.3/TB2 bidirectional General-purpose digital I/O or Timer_B7 CCR2 (capture: CCI2A/CCI2B input, compare: Out2 output).
77 P2.2/TB1 bidirectional General-purpose digital I/O or Timer_B7 CCR1 (capture: CCI1A/CCI1B input, compare: Out1 output).
78 P2.1/TB0 bidirectional General-purpose digital I/O or Timer_B7 CCR0 (capture: CCI0A/CCI0B input, compare: Out0 output).
79 P2.0/TA2 bidirectional General-purpose digital I/O or Timer_A (capture: CCI2A input, compare: Out2 output).
80 P1.7/CA1 bidirectional General-purpose digital I/O or Comparator_A input.
81 P1.6/CA0 bidirectional General-purpose digital I/O or Comparator_A input.
82 P1.5/TACLK/ACLK bidirectional General-purpose digital I/O, Timer_A clock signal TACLK input, or ACLK output (divided by 1, 2, 4, or 8).
83 P1.4/TBCLK/SMCLK bidirectional General-purpose digital I/O, input clock TBCLK for Timer_B7, or submain system clock SMCLK output.
84 P1.3/TBOUTH/SVSOUT bidirectional General-purpose digital I/O, switch all PWM digital output ports to high impedance (Timer_B7 TB0 to TB6), or SVS comparator output.
85 P1.2/TA1 bidirectional General-purpose digital I/O or Timer_A (capture: CCI1A input, compare: Out1 output).
86 P1.1/TA0/MCLK bidirectional General-purpose digital I/O, Timer_A (capture: CCI0B input, compare: Out1 output), or MCLK output; TA0 is input-only on this pin.
87 P1.0/TA0 bidirectional General-purpose digital I/O or Timer_A (capture: CCI0A input, compare: Out0 output).
88 XT2OUT output Output terminal of crystal oscillator XT2.
89 XT2IN input Input port for crystal oscillator XT2; only standard crystals can be connected.
90 TDO/TDI bidirectional Test data output port or programming data input terminal (JTAG).
91 TDI/TCLK input Test data input or test clock input; device protection fuse is connected to this pin.
92 TMS input Test mode select; used as input port for device programming and test.
93 TCK input Test clock input port for device programming and test.
94 RST/NMI input Reset input or nonmaskable interrupt input port; minimum 2 μs pulse length accepted.
95 P6.0/A0/OA0I0 bidirectional General-purpose digital I/O, analog input a0 (12-bit ADC), or OA0 input multiplexer (+/− terminal).
96 P6.1/A1/OA0O bidirectional General-purpose digital I/O, analog input a1 (12-bit ADC), or OA0 output.
97 P6.2/A2/OA0I1 bidirectional General-purpose digital I/O, analog input a2 (12-bit ADC), or OA0 input multiplexer (+/− terminal).
98 AVSS power_in Analog supply voltage, negative terminal (ground); supplies SVS, brownout, oscillator, comparator_A, and port 1.
99 DVSS1 power_in Digital supply voltage, negative terminal (ground).
100 AVCC power_in Analog supply voltage, positive terminal; supplies SVS, brownout, oscillator, comparator_A, and port 1; must not power up prior to DVCC1/DVCC2.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package LQFP-100(14x14)
Category Embedded Processors & Controllers
Pins 100

CAD (KiCad official)

  • Symbol: msp430FG4618IPZ
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: msp430fg4618ipz-etched.step / msp430fg4618ipz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msp430fg4618ipz.step / msp430fg4618ipz.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (120 pp, sha256 32f5a0cebf27eb7f, retrieved 2026-09-24, tier: lcsc)
  • 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