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Contents

README

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MSP430F6779IPEUR

Texas Instruments · Microcontrollers (MCU/MPU/SOC) · LQFP-128(14x20)

MSP430F6779IPEUR from Texas Instruments, in a LQFP-128(14x20). 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 XIN bidirectional Input terminal for the crystal oscillator.
2 XOUT bidirectional Output terminal for the crystal oscillator.
3 AUXVCC3 power_in Auxiliary power supply AUXVCC3 for the backup subsystem.
4 RTCCAP1 input External time capture pin 1 for RTC_C.
5 RTCCAP0 input External time capture pin 0 for RTC_C.
6 P1.5/SMCLK/CB0/A5 bidirectional General-purpose digital I/O with port interrupt; alternate functions are SMCLK clock output, Comparator_B input CB0 and 10-bit ADC analog input A5.
7 P1.4/MCLK/CB1/A4 bidirectional General-purpose digital I/O with port interrupt; alternate functions are MCLK clock output, Comparator_B input CB1 and 10-bit ADC analog input A4.
8 P1.3/ADC10CLK/A3 bidirectional General-purpose digital I/O with port interrupt; alternate functions are ADC10_A clock output and analog input A3, and before enabling A3 it must be pulled low by output-low or input with pulldown.
9 P1.2/ACLK/A2 bidirectional General-purpose digital I/O with port interrupt; alternate functions are ACLK clock output and 10-bit ADC analog input A2.
10 P1.1/TA2.1/VeREF+/A1 bidirectional General-purpose digital I/O with port interrupt; alternate functions are Timer TA2 CCR1 capture/compare output, positive ADC reference terminal for an external reference, and analog input A1.
11 P1.0/TA1.1/VeREF-/A0 bidirectional General-purpose digital I/O with port interrupt; alternate functions are Timer TA1 CCR1 capture/compare output, negative ADC reference terminal for an external reference, and analog input A0.
12 P2.4/PM_TA2.0 bidirectional General-purpose digital I/O with port interrupt and mappable secondary function; default mapping is Timer TA2 CCR0 capture/compare.
13 P2.5/PM_UCB0SOMI/PM_UCB0SCL bidirectional General-purpose digital I/O with port interrupt and mappable secondary function; default mapping is eUSCI_B0 SPI slave-out/master-in or I2C clock.
14 P2.6/PM_UCB0SIMO/PM_UCB0SDA bidirectional General-purpose digital I/O with port interrupt and mappable secondary function; default mapping is eUSCI_B0 SPI slave-in/master-out or I2C data.
15 P2.7/PM_UCB0CLK bidirectional General-purpose digital I/O with port interrupt and mappable secondary function; default mapping is eUSCI_B0 clock input/output.
16 P3.0/PM_UCA0RXD/PM_UCA0SOMI bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A0 UART receive data or SPI slave-out/master-in.
17 P3.1/PM_UCA0TXD/PM_UCA0SIMO bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A0 UART transmit data or SPI slave-in/master-out.
18 P3.2/PM_UCA0CLK bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A0 clock input/output.
19 P3.3/PM_UCA1CLK bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A1 clock input/output.
20 P3.4/PM_UCA1RXD/PM_UCA1SOMI bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A1 UART receive data or SPI slave-out/master-in.
21 P3.5/PM_UCA1TXD/PM_UCA1SIMO bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A1 UART transmit data or SPI slave-in/master-out.
22 COM0 output LCD common output COM0 for the LCD backplane.
23 COM1 output LCD common output COM1 for the LCD backplane.
24 P1.6/COM2 bidirectional General-purpose digital I/O with port interrupt; alternate function is LCD common output COM2.
25 P1.7/COM3 bidirectional General-purpose digital I/O with port interrupt; alternate function is LCD common output COM3.
26 P5.0/COM4 bidirectional General-purpose digital I/O; alternate function is LCD common output COM4.
27 P5.1/COM5 bidirectional General-purpose digital I/O; alternate function is LCD common output COM5.
28 P5.2/COM6 bidirectional General-purpose digital I/O; alternate function is LCD common output COM6.
29 P5.3/COM7 bidirectional General-purpose digital I/O; alternate function is LCD common output COM7.
30 LCDCAP/R33 bidirectional LCD capacitor connection and input/output port of the most positive analog LCD voltage (V1); it must be connected to DVSS if not used.
31 P5.4/SDCLK/R23 bidirectional General-purpose digital I/O; alternate functions are SD24_B bit stream clock input/output and the input/output port of the second most positive LCD voltage (V2).
32 P5.5/SD0DIO/LCDREF/R13 bidirectional General-purpose digital I/O; alternate functions are SD24_B converter 0 bit stream data I/O, external reference input for regulated LCD voltage, and the third most positive LCD voltage (V3 or V4) port.
33 P5.6/SD1DIO/R03 bidirectional General-purpose digital I/O; alternate functions are SD24_B converter 1 bit stream data I/O and the lowest analog LCD voltage (V5) port.
34 P5.7/SD2DIO/CB2 bidirectional General-purpose digital I/O; alternate functions are SD24_B converter 2 bit stream data I/O and Comparator_B input CB2.
35 P6.0/SD3DIO bidirectional General-purpose digital I/O; alternate function is SD24_B converter 3 bit stream data I/O.
36 P3.6/PM_UCA2RXD/PM_UCA2SOMI bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A2 UART receive data or SPI slave-out/master-in.
37 P3.7/PM_UCA2TXD/PM_UCA2SIMO bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A2 UART transmit data or SPI slave-in/master-out.
38 P4.0/PM_UCA2CLK bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A2 clock input/output.
39 P4.1/PM_UCA3RXD/PM_UCA3SOMI bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A3 UART receive data or SPI slave-out/master-in.
40 P4.2/PM_UCA3TXD/PM_UCA3SIMO bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A3 UART transmit data or SPI slave-in/master-out.
41 P4.3/PM_UCA3CLK bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_A3 clock input/output.
42 P4.4/PM_UCB1SOMI/PM_UCB1SCL bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_B1 SPI slave-out/master-in or I2C clock.
43 P4.5/PM_UCB1SIMO/PM_UCB1SDA bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_B1 SPI slave-in/master-out or I2C data.
44 P4.6/PM_UCB1CLK bidirectional General-purpose digital I/O with mappable secondary function; default mapping is eUSCI_B1 clock input/output.
45 P4.7/PM_TA3.0 bidirectional General-purpose digital I/O with mappable secondary function; default mapping is Timer TA3 CCR0 capture/compare.
46 P6.1/SD4DIO/S39 bidirectional General-purpose digital I/O; alternate functions are SD24_B converter 4 bit stream data I/O and LCD segment output S39.
47 P6.2/SD5DIO/S38 bidirectional General-purpose digital I/O; alternate functions are SD24_B converter 5 bit stream data I/O and LCD segment output S38.
48 P6.3/SD6DIO/S37 bidirectional General-purpose digital I/O; alternate functions are SD24_B converter 6 bit stream data I/O (not available on F674x and F676x devices) and LCD segment output S37.
49 P6.4/S36 bidirectional General-purpose digital I/O; alternate function is LCD segment output S36.
50 P6.5/S35 bidirectional General-purpose digital I/O; alternate function is LCD segment output S35.
51 P6.6/S34 bidirectional General-purpose digital I/O; alternate function is LCD segment output S34.
52 P6.7/S33 bidirectional General-purpose digital I/O; alternate function is LCD segment output S33.
53 P7.0/S32 bidirectional General-purpose digital I/O; alternate function is LCD segment output S32.
54 P7.1/S31 bidirectional General-purpose digital I/O; alternate function is LCD segment output S31.
55 P7.2/S30 bidirectional General-purpose digital I/O; alternate function is LCD segment output S30.
56 P7.3/S29 bidirectional General-purpose digital I/O; alternate function is LCD segment output S29.
57 P7.4/S28 bidirectional General-purpose digital I/O; alternate function is LCD segment output S28.
58 P7.5/S27 bidirectional General-purpose digital I/O; alternate function is LCD segment output S27.
59 P7.6/S26 bidirectional General-purpose digital I/O; alternate function is LCD segment output S26.
60 P7.7/S25 bidirectional General-purpose digital I/O; alternate function is LCD segment output S25.
61 P8.0/S24 bidirectional General-purpose digital I/O; alternate function is LCD segment output S24.
62 P8.1/S23 bidirectional General-purpose digital I/O; alternate function is LCD segment output S23.
63 P8.2/S22 bidirectional General-purpose digital I/O; alternate function is LCD segment output S22.
64 P8.3/S21 bidirectional General-purpose digital I/O; alternate function is LCD segment output S21.
65 P8.4/S20 bidirectional General-purpose digital I/O; alternate function is LCD segment output S20.
66 P8.5/S19 bidirectional General-purpose digital I/O; alternate function is LCD segment output S19.
67 P8.6/S18 bidirectional General-purpose digital I/O; alternate function is LCD segment output S18.
68 P8.7/S17 bidirectional General-purpose digital I/O; alternate function is LCD segment output S17.
69 VDSYS2 power_in Digital power supply for the I/Os, which must be connected externally to VDSYS1 for proper device operation with a recommended capacitor CVSYS.
70 DVSS2 power_in Digital ground supply.
71 P9.0/S16 bidirectional General-purpose digital I/O; alternate function is LCD segment output S16.
72 P9.1/S15 bidirectional General-purpose digital I/O; alternate function is LCD segment output S15.
73 P9.2/S14 bidirectional General-purpose digital I/O; alternate function is LCD segment output S14.
74 P9.3/S13 bidirectional General-purpose digital I/O; alternate function is LCD segment output S13.
75 P9.4/S12 bidirectional General-purpose digital I/O; alternate function is LCD segment output S12.
76 P9.5/S11 bidirectional General-purpose digital I/O; alternate function is LCD segment output S11.
77 P9.6/S10 bidirectional General-purpose digital I/O; alternate function is LCD segment output S10.
78 P9.7/S9 bidirectional General-purpose digital I/O; alternate function is LCD segment output S9.
79 P10.0/S8 bidirectional General-purpose digital I/O; alternate function is LCD segment output S8.
80 P10.1/S7 bidirectional General-purpose digital I/O; alternate function is LCD segment output S7.
81 P10.2/S6 bidirectional General-purpose digital I/O; alternate function is LCD segment output S6.
82 P10.3/S5 bidirectional General-purpose digital I/O; alternate function is LCD segment output S5.
83 P10.4/S4 bidirectional General-purpose digital I/O; alternate function is LCD segment output S4.
84 P10.5/S3 bidirectional General-purpose digital I/O; alternate function is LCD segment output S3.
85 P10.6/S2 bidirectional General-purpose digital I/O; alternate function is LCD segment output S2.
86 P10.7/S1 bidirectional General-purpose digital I/O; alternate function is LCD segment output S1.
87 P11.0/S0 bidirectional General-purpose digital I/O; alternate function is LCD segment output S0.
88 P11.1/TA3.1/CB3 bidirectional General-purpose digital I/O; alternate functions are Timer TA3 CCR1 capture/compare output and Comparator_B input CB3.
89 P11.2/TA1.1 bidirectional General-purpose digital I/O; alternate function is Timer TA1 CCR1 capture/compare output.
90 P11.3/TA2.1 bidirectional General-purpose digital I/O; alternate function is Timer TA2 CCR1 capture/compare output.
91 P11.4/CBOUT bidirectional General-purpose digital I/O; alternate function is Comparator_B output.
92 P11.5/TACLK/RTCCLK bidirectional General-purpose digital I/O; alternate functions are timer clock input TACLK for TA0 to TA3 and RTCCLK clock output.
93 P2.0/PM_TA0.0/BSL_TX bidirectional General-purpose digital I/O with port interrupt and mappable secondary function; default mapping is Timer TA0 CCR0 capture/compare, and bootloader data transmit.
94 P2.1/PM_TA0.1/BSL_RX bidirectional General-purpose digital I/O with port interrupt and mappable secondary function; default mapping is Timer TA0 CCR1 capture/compare, and bootloader data receive.
95 P2.2/PM_TA0.2 bidirectional General-purpose digital I/O with port interrupt and mappable secondary function; default mapping is Timer TA0 CCR2 capture/compare.
96 P2.3/PM_TA1.0 bidirectional General-purpose digital I/O with port interrupt and mappable secondary function; default mapping is Timer TA1 CCR0 capture/compare.
97 TEST/SBWTCK input Test mode pin that selects digital I/O on the JTAG pins, and serves as the Spy-Bi-Wire input clock.
98 PJ.0/TDO bidirectional General-purpose digital I/O; alternate function is JTAG test data output.
99 PJ.1/TDI/TCLK bidirectional General-purpose digital I/O; alternate function is JTAG test data input or test clock input.
100 PJ.2/TMS bidirectional General-purpose digital I/O; alternate function is JTAG test mode select.
101 PJ.3/TCK bidirectional General-purpose digital I/O; alternate function is JTAG test clock.
102 RST/NMI/SBWTDIO bidirectional Active-low reset input (internal pullup enabled by default when configured as reset), with alternate functions of nonmaskable interrupt input and Spy-Bi-Wire data input/output.
103 SD0P0 input SD24_B positive analog input for converter 0; unused analog input pairs should be shorted and connected to analog ground.
104 SD0N0 input SD24_B negative analog input for converter 0; unused analog input pairs should be shorted and connected to analog ground.
105 SD1P0 input SD24_B positive analog input for converter 1; unused analog input pairs should be shorted and connected to analog ground.
106 SD1N0 input SD24_B negative analog input for converter 1; unused analog input pairs should be shorted and connected to analog ground.
107 SD2P0 input SD24_B positive analog input for converter 2; unused analog input pairs should be shorted and connected to analog ground.
108 SD2N0 input SD24_B negative analog input for converter 2; unused analog input pairs should be shorted and connected to analog ground.
109 SD3P0 input SD24_B positive analog input for converter 3; unused analog input pairs should be shorted and connected to analog ground.
110 SD3N0 input SD24_B negative analog input for converter 3; unused analog input pairs should be shorted and connected to analog ground.
111 VASYS2 power_in Analog power supply selected between AVCC, AUXVCC1 and AUXVCC2; connect the recommended capacitor CVSYS.
112 AVSS2 power_in Analog ground supply.
113 VREF power_in SD24_B external reference voltage input.
114 SD4P0 input SD24_B positive analog input for converter 4 (not available on F674x devices); unused analog input pairs should be shorted and connected to analog ground.
115 SD4N0 input SD24_B negative analog input for converter 4 (not available on F674x devices); unused analog input pairs should be shorted and connected to analog ground.
116 SD5P0 input SD24_B positive analog input for converter 5 (not available on F674x devices); unused analog input pairs should be shorted and connected to analog ground.
117 SD5N0 input SD24_B negative analog input for converter 5 (not available on F674x devices); unused analog input pairs should be shorted and connected to analog ground.
118 SD6P0 input SD24_B positive analog input for converter 6 (not available on F676x and F674x devices); unused analog input pairs should be shorted and connected to analog ground.
119 SD6N0 input SD24_B negative analog input for converter 6 (not available on F676x and F674x devices); unused analog input pairs should be shorted and connected to analog ground.
120 AVSS1 power_in Analog ground supply.
121 AVCC power_in Analog power supply.
122 VASYS1 power_in Analog power supply selected between AVCC, AUXVCC1 and AUXVCC2; connect the recommended capacitor CVSYS.
123 AUXVCC2 power_in Auxiliary power supply AUXVCC2.
124 AUXVCC1 power_in Auxiliary power supply AUXVCC1.
125 VDSYS1 power_in Digital power supply selected between DVCC, AUXVCC1 and AUXVCC2; connect the recommended capacitor CVSYS.
126 DVCC power_in Digital power supply.
127 DVSS1 power_in Digital ground supply.
128 VCORE power_out Regulated core power supply for internal use only, with no external current loading and only the recommended capacitor CVCORE connected.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package LQFP-128(14x20)
Category Embedded Processors & Controllers
Pins 128

CAD (KiCad official)

  • Symbol: MSP430F6779IPEUR
  • Footprint: Package_QFP:LQFP-128_14x20mm_P0.5mm
  • 3D model: LQFP-128(14x20) (KiCad packages3D, STEP)
  • 3D model files: msp430f6779ipeur-etched.step / msp430f6779ipeur-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msp430f6779ipeur.step / msp430f6779ipeur.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (180 pp, sha256 9c56caf6d0342159, retrieved 2026-10-08, 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 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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