ZHCSJA6B January 2019 – December 2021 MSP430FR5041 , MSP430FR5043 , MSP430FR50431 , MSP430FR6041 , MSP430FR6043 , MSP430FR60431
PRODUCTION DATA
Section 7.3 describes the signals for all device variants and package options.
| FUNCTION | SIGNAL NAME | PIN NO.(1) | PIN TYPE(2) | DESCRIPTION | |
|---|---|---|---|---|---|
| 80-PIN PN | 64-PIN PM OR RGC | ||||
| ADC | A0 | 4 | 3 | I | ADC analog input A0 |
| A1 | 5 | 4 | I | ADC analog input A1 | |
| A2 | 31 | 25 | I | ADC analog input A2 | |
| A3 | 32 | 26 | I | ADC analog input A3 | |
| – | AVSS | AVSS | I | ADC analog input A4 | |
| – | AVSS | AVSS | I | ADC analog input A5 | |
| – | AVSS | AVSS | I | ADC analog input A6 | |
| – | AVSS | AVSS | I | ADC analog input A7 | |
| A8 | 25 | 19 | I | ADC analog input A8 | |
| A9 | 26 | 20 | I | ADC analog input A9 | |
| – | AVSS | AVSS | I | ADC analog input A10 | |
| – | AVSS | AVSS | I | ADC analog input A11 | |
| – | AVSS | AVSS | I | ADC analog input A12 | |
| – | AVSS | AVSS | I | ADC analog input A13 | |
| A14 | 2 | 2 | I | ADC analog input A14 | |
| A15 | 3 | – | I | ADC analog input A15 | |
| VREF+ | 5 | 4 | O | Output of positive reference voltage | |
| VREF- | 4 | 3 | O | Output of negative reference voltage | |
| VeREF+ | 5 | 4 | I | Input for an external positive reference voltage to the ADC | |
| VeREF- | 4 | 3 | I | Input for an external negative reference voltage to the ADC | |
| Clock | ACLK | 54, 66 | 45, 52 | O | ACLK output |
| HFXIN | 10 | 9 | I | Input for high-frequency crystal oscillator HFXT | |
| HFXOUT | 11 | 10 | O | Output for high-frequency crystal oscillator HFXT | |
| LFXIN | 7 | 6 | I | Input for low-frequency crystal oscillator LFXT | |
| LFXOUT | 8 | 7 | O | Output of low-frequency crystal oscillator LFXT | |
| MCLK | 52, 64 | 43, 50 | O | MCLK output | |
| SMCLK | 53, 65 | 44, 51 | O | SMCLK output | |
| Comparator | C0 | 4 | 3 | I | Comparator input C0 |
| C1 | 5 | 4 | I | Comparator input C1 | |
| C2 | 31 | 25 | I | Comparator input C2 | |
| C3 | 32 | 26 | I | Comparator input C3 | |
| Not connected | 4 | 3 | I | Comparator input C4 | |
| Not connected | 4 | 3 | I | Comparator input C5 | |
| Not connected | 4 | 3 | I | Comparator input C6 | |
| Not connected | 4 | 3 | I | Comparator input C7 | |
| C8 | 25 | 19 | I | Comparator input C8 | |
| C9 | 26 | 20 | I | Comparator input C9 | |
| C10 | 17 | 13 | I | Comparator input C10 | |
| C11 | 18 | 14 | I | Comparator input C11 | |
| C12 | 19 | 15 | I | Comparator input C12 | |
| C13 | 20 | 16 | I | Comparator input C13 | |
| C14 | 2 | 2 | I | Comparator input C14 | |
| C15 | 3 | – | I | Comparator input C15 | |
| COUT | 2, 51, 66 | 2, 42, 52 | O | Comparator output | |
| DMA | DMAE0 | 17, 42, 65 | 13, 51 | I | External DMA trigger |
| Debug | SBWTCK | 15 | 11 | I | Spy-Bi-Wire input clock |
| SBWTDIO | 16 | 12 | I/O | Spy-Bi-Wire data input/output | |
| SRCPUOFF | 20 | 16 | O | Low-power debug: CPU Status register bit CPUOFF | |
| SROSCOFF | 19 | 15 | O | Low-power debug: CPU Status register bit OSCOFF | |
| SRSCG0 | 18 | 14 | O | Low-power debug: CPU Status register bit SCG0 | |
| SRSCG1 | 17 | 13 | O | Low-power debug: CPU Status register bit SCG1 | |
| TCK | 20 | 16 | I | Test clock | |
| TCLK | 18 | 14 | I | Test clock input | |
| TDI | 18 | 14 | I | Test data input | |
| TDO | 17 | 13 | O | Test data output port | |
| TEST | 15 | 11 | I | Test mode pin – select digital I/O on JTAG pins | |
| TMS | 19 | 15 | I | Test mode select | |
| GPIO, P1 | P1.0 | 4 | 3 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 |
| P1.1 | 5 | 4 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P1.2 | 25 | 19 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P1.3 | 26 | 20 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P1.4 | 31 | 25 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P1.5 | 32 | 26 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P1.6 | 29 | 23 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P1.7 | 30 | 24 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| GPIO, P2 | P2.0 | 27 | 21 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 |
| P2.1 | 28 | 22 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P2.2 | 2 | 2 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P2.3 | 3 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P2.4 | 12 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P2.5 | 23 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P2.6 | 13 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P2.7 | 14 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| GPIO, P3 | P3.0 | 24 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 |
| P3.1 | 33 | 27 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P3.2 | 63 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P3.3 | 64 | 50 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P3.4 | 65 | 51 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P3.5 | 66 | 52 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P3.6 | 75 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P3.7 | 76 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| GPIO, P4 | P4.0 | 34 | 28 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 |
| P4.1 | 35 | 29 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P4.2 | 36 | 30 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P4.3 | 37 | 31 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P4.4 | 38 | 32 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P4.5 | 39 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P4.6 | 40 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P4.7 | 42 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| GPIO, P5 | P5.0 | 43 | 34 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 |
| P5.1 | 44 | 35 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P5.2 | 45 | 36 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P5.3 | 46 | 37 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P5.4 | 47 | 38 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P5.5 | 48 | 39 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P5.6 | 49 | 40 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P5.7 | 50 | 41 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| GPIO, P6 | P6.0 | 51 | 42 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 |
| P6.1 | 56 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P6.2 | 57 | 47 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P6.3 | 60 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P6.4 | 52 | 43 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P6.5 | 53 | 44 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P6.6 | 54 | 45 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| P6.7 | 62 | – | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 | |
| GPIO, P7 | P7.0 | 55 | 46 | I/O | General-purpose digital I/O with port interrupt and wakeup from LPMx.5 |
| GPIO, PJ | PJ.0 | 17 | 13 | I/O | General-purpose digital I/O |
| PJ.1 | 18 | 14 | I/O | General-purpose digital I/O | |
| PJ.2 | 19 | 15 | I/O | General-purpose digital I/O | |
| PJ.3 | 20 | 16 | I/O | General-purpose digital I/O | |
| PJ.4 | 7 | 6 | I/O | General-purpose digital I/O | |
| PJ.5 | 8 | 7 | I/O | General-purpose digital I/O | |
| PJ.6 | 10 | 9 | I/O | General-purpose digital I/O | |
| PJ.7 | 11 | 10 | I/O | General-purpose digital I/O | |
| I2C | UCB0SCL | 30 | 24 | I/O | I2C clock – eUSCI_B0 I2C mode |
| UCB0SDA | 29 | 23 | I/O | I2C data – eUSCI_B0 I2C mode | |
| UCB1SCL | 49, 76 | 40 | I/O | I2C clock – eUSCI_B1 I2C mode | |
| UCB1SDA | 48, 75 | 39 | I/O | I2C data – eUSCI_B1 I2C mode | |
| LCD | COM0 | 52 | – | O | LCD common output COM0 for LCD backplane |
| COM1 | 53 | – | O | LCD common output COM1 for LCD backplane | |
| COM2 | 54 | – | O | LCD common output COM2 for LCD backplane | |
| COM3 | 66 | – | O | LCD common output COM3 for LCD backplane | |
| COM4 | 62 | – | O | LCD common output COM4 for LCD backplane | |
| COM5 | 63 | – | O | LCD common output COM5 for LCD backplane | |
| COM6 | 65 | – | O | LCD common output COM6 for LCD backplane | |
| COM7 | 60 | – | O | LCD common output COM7 for LCD backplane | |
| LCDCAP | 61 | – | I/O | LCD capacitor connection CAUTION: LCDCAP/R33 must be connected to DVSS if not used. |
|
| LCDREF | 57 | – | I | External reference voltage input for regulated LCD voltage | |
| R03 | 56 | – | I/O | Input/output port of lowest analog LCD voltage (V5) | |
| R13 | 57 | – | I/O | Input/output port of third most positive analog LCD voltage (V3 or V4) | |
| R23 | 60 | – | I/O | Input/output port of second most positive analog LCD voltage (V2) | |
| R33 | 61 | – | I/O | Input/output port of most positive analog LCD voltage (V1) CAUTION: LCDCAP/R33 must be connected to DVSS if not used. |
|
| LCD | S0 | 51 | – | O | LCD segment output 0 |
| S1 | 50 | – | O | LCD segment output 1 | |
| S2 | 49 | – | O | LCD segment output 2 | |
| S3 | 48 | – | O | LCD segment output 3 | |
| S4 | 47 | – | O | LCD segment output 4 | |
| S5 | 46 | – | O | LCD segment output 5 | |
| S6 | 45 | – | O | LCD segment output 6 | |
| S7 | 44 | – | O | LCD segment output 7 | |
| S8 | 43 | – | O | LCD segment output 8 | |
| S9 | 42 | – | O | LCD segment output 9 | |
| S10 | 40 | – | O | LCD segment output 10 | |
| S11 | 39 | – | O | LCD segment output 11 | |
| S12 | 38 | – | O | LCD segment output 12 | |
| S13 | 37 | – | O | LCD segment output 13 | |
| S14 | 36 | – | O | LCD segment output 14 | |
| S15 | 35 | – | O | LCD segment output 15 | |
| S16 | 30 | – | O | LCD segment output 16 | |
| S17 | 29 | – | O | LCD segment output 17 | |
| S18 | 28 | – | O | LCD segment output 18 | |
| S19 | 27 | – | O | LCD segment output 19 | |
| S20 | 24 | – | O | LCD segment output 20 | |
| S21 | 23 | – | O | LCD segment output 21 | |
| S22 | 14 | – | O | LCD segment output 22 | |
| S23 | 13 | – | O | LCD segment output 23 | |
| S24 | 12 | – | O | LCD segment output 24 | |
| S25 | 64 | – | O | LCD segment output 25 | |
| S26 | 66 | – | O | LCD segment output 26 | |
| S27 | 65 | – | O | LCD segment output 27 | |
| S28 | 63 | – | O | LCD segment output 28 | |
| S29 | 62 | – | O | LCD segment output 29 | |
| S30 | 55 | – | O | LCD segment output 30 | |
| S31 | 54 | – | O | LCD segment output 31 | |
| S32 | 57 | – | O | LCD segment output 32 | |
| S33 | 56 | – | O | LCD segment output 33 | |
| S34 | 53 | – | O | LCD segment output 34 | |
| S35 | 75 | – | O | LCD segment output 35 | |
| S36 | 76 | – | O | LCD segment output 36 | |
| MTIF | MTIF_PIN_EN | 34 | 28 | I | Meter test Interface pin enable |
| MTIF_OUT_IN | 33 | 27 | I/O | Meter test Interface In/Out | |
| Power | AVCC1 | 1 | 1 | P | Analog power supply |
| AVSS1 | 80 | 64 | P | Analog ground supply | |
| AVSS2 | 6 | 5 | P | Analog ground supply | |
| AVSS3 | 9 | 8 | P | Analog ground supply | |
| AVSS4 | 77 | 61 | P | Analog ground supply | |
| DVCC1 | 22 | 18 | P | Digital power supply | |
| DVCC3 | 59 | 49 | P | Digital power supply | |
| DVSS1 | 21 | 17 | P | Digital ground supply | |
| DVSS2 | 41 | 33 | P | Digital ground supply | |
| DVSS3 | 58 | 48 | P | Digital ground supply | |
| PVCC | 70, 71 | 56, 57 | P | USS power supply | |
| PVSS | 69, 72 | 55, 58 | P | USS ground supply | |
| RTC | RTCCLK | 34, 56 | 28 | O | RTC clock calibration output |
| SPI | UCA0CLK | 2, 35 | 2, 29 | I/O | Clock signal input – eUSCI_A0 SPI slave mode Clock signal output – eUSCI_A0 SPI master mode |
| UCA0SIMO | 13, 37 | 31 | I/O | Slave in/master out – eUSCI_A0 SPI mode | |
| UCA0SOMI | 14, 38 | 32 | I/O | Slave out/master in – eUSCI_A0 SPI mode | |
| UCA0STE | 3, 36 | 30 | I/O | Slave transmit enable – eUSCI_A0 SPI mode | |
| UCA1CLK | 4, 27 | 3, 21 | I/O | Clock signal input – eUSCI_A1 SPI slave mode Clock signal output – eUSCI_A1 SPI master mode |
|
| UCA1SIMO | 25 | 19 | I/O | Slave in/master out – eUSCI_A1 SPI mode | |
| UCA1SOMI | 26 | 20 | I/O | Slave out/master in – eUSCI_A1 SPI mode | |
| UCA1STE | 5, 28 | 4, 22 | I/O | Slave transmit enable – eUSCI_A1 SPI mode | |
| UCA2CLK | 45 | 36 | I/O | Clock signal input – eUSCI_A2 SPI slave mode Clock signal output – eUSCI_A2 SPI master mode |
|
| UCA2SIMO | 19, 43 | 34 | I/O | Slave in/master out – eUSCI_A2 SPI mode | |
| UCA2SOMI | 20, 44 | 35 | I/O | Slave out/master in – eUSCI_A2 SPI mode | |
| UCA2STE | 46 | 37 | I/O | Slave transmit enable – eUSCI_A2 SPI mode | |
| UCA3CLK | 30 | 24 | I/O | Clock signal input – eUSCI_A3 SPI slave mode Clock signal output – eUSCI_A3 SPI master mode |
|
| UCA3SIMO | 27, 36 | 21, 30 | I/O | Slave in/master out – eUSCI_A3 SPI mode | |
| UCA3SOMI | 28, 35 | 22, 29 | I/O | Slave out/master in – eUSCI_A3 SPI mode | |
| UCA3STE | 29 | 23 | I/O | Slave transmit enable – eUSCI_A3 SPI mode | |
| UCB0CLK | 32 | 26 | I/O | Clock signal input – eUSCI_B0 SPI slave mode Clock signal output – eUSCI_B0 SPI master mode |
|
| UCB0SIMO | 29 | 23 | I/O | Slave in/master out – eUSCI_B0 SPI mode | |
| UCB0SOMI | 30 | 24 | I/O | Slave out/master in – eUSCI_B0 SPI mode | |
| UCB0STE | 31 | 25 | I/O | Slave transmit enable – eUSCI_B0 SPI mode | |
| UCB1CLK | 47 | 38 | I/O | Clock signal input – eUSCI_B1 SPI slave mode Clock signal output – eUSCI_B1 SPI master mode |
|
| UCB1SIMO | 48, 75 | 39 | I/O | Slave in/master out – eUSCI_B1 SPI mode | |
| UCB1SOMI | 49, 76 | 40 | I/O | Slave out/master in – eUSCI_B1 SPI mode | |
| UCB1STE | 50 | 41 | I/O | Slave transmit enable – eUSCI_B1 SPI mode | |
| System | NMI | 16 | 12 | I | Nonmaskable interrupt input |
| RST | 16 | 12 | I/O | Reset input active low | |
| Timer_A0 | TA0.0 | 3 | – | I/O | TA0 CCR0 capture: CCI0A input, compare: Out0 |
| TA0.0 | 47 | 38 | I/O | TA0 CCR0 capture: CCI0B input, compare: Out0 | |
| TA0.1 | 62 | – | I/O | TA0 CCR1 capture: CCI1A input, compare: Out1 | |
| TA0.2 | 50 | 41 | I/O | TA0 CCR2 capture: CCI2A input, compare: Out2 | |
| TA0.2 | 23 | – | O | TA0 compare: Out2 enabled by COUT | |
| TA0CLK | 12, 39, 51 | 42 | I | TA0 input clock | |
| Timer_A1 | TA1.0 | 4 | 3 | I/O | TA1 CCR0 capture: CCI0A input, compare: Out0 |
| TA1.0 | 55 | 46 | I/O | TA1 CCR0 capture: CCI0B input, compare: Out0 | |
| TA1.0 | 25 | 19 | O | TA1 CCR0 compare: Out0 | |
| TA1.1 | 63 | – | I/O | TA1 CCR1 capture: CCI1A input, compare: Out1 | |
| TA1.1 | 26 | 20 | O | TA1 CCR1 compare: Out1 | |
| TA1.2 | 13 | – | I/O | TA1 CCR2 capture: CCI2A input, compare: Out2 | |
| TA1.2 | 55 | 46 | O | TA1 CCR2 compare: Out2 | |
| TA1.2C | 13 | – | O | TA1 CCR2 compare: Out2 enabled by COUT | |
| TA1CLK | 12, 33, 39 | 27 | I | TA1 input clock | |
| Timer_A4 | TA4.0 | 5 | 4 | I/O | TA4 CCR0 capture: CCI0A input, compare: Out0 |
| TA4.0 | 23 | – | I/O | TA4 CCR0 capture: CCI0B input, compare: Out0 | |
| TA4.0 | 47 | 38 | O | TA4 CCR0 compare: Out0 | |
| TA4.1 | 14 | – | I/O | TA4CCR1 capture: CCI1B input, compare: Out1 | |
| TA4.1 | 48 | 39 | I/O | TA4 CCR1 capture: CCI1A input, compare: Out1 | |
| TA4.1 | 34 | 28 | O | TA4 CCR1 compare: Out1 | |
| TA4.1C | 14 | – | O | TA4 CCR1 compare: Out1 enabled by COUT | |
| TA4CLK | 18, 40 | 14 | I | TA4 input clock | |
| Timer_B0 | TB0.0 | 43 | 34 | I/O | TB0 CCR0 capture: CCI0B input, compare: Out0 |
| TB0.0 | 24 | – | I/O | TB0 CCR0 capture: CCI0A input, compare: Out0 | |
| TB0.1 | 33 | 27 | I/O | TB0 CCR1 capture: CCI1A input, compare: Out1 | |
| TB0.1 | 44 | 35 | O | TB0 CCR1 compare: Out1 | |
| TB0.2 | 76 | – | I/O | TB0 CCR2 capture: CCI2A input, compare: Out2 | |
| TB0.2 | 45 | 36 | O | TB0 CCR2 compare: Out2 | |
| TB0.3 | 46 | 37 | I/O | TB0 CCR3 capture: CCI3A input, compare: Out3 | |
| TB0.3 | 64 | 50 | I/O | TB0 CCR3 capture: CCI3B input, compare: Out3 | |
| TB0.4 | 31 | 25 | I/O | TB0 CCR4 capture: CCI4A input, compare: Out4 | |
| TB0.4 | 35 | 29 | I/O | TB0 CCR4 capture: CCI4B input, compare: Out4 | |
| TB0.5 | 32 | 26 | I/O | TB0 CCR5 capture: CCI5A input, compare: Out5 | |
| TB0.5 | 36 | 30 | I/O | TB0CCR5 capture: CCI5B input, compare: Out5 | |
| TB0.6 | 75 | – | I/O | TB0 CCR6 capture: CCI6B input, compare: Out6 | |
| TB0.6 | 20 | 16 | I/O | TB0 CCR6 capture: CCI6A input, compare: Out6 | |
| TB0CLK | 12, 40,57 | 47 | I | TB0 clock input | |
| TB0OUTH | 19, 49, 76 | 15 | I | Switch all PWM outputs high impedance input – TB0 | |
| UART | UCA0RXD | 14, 38 | 32 | I | Receive data – eUSCI_A0 UART mode |
| UCA0TXD | 13, 37 | 31 | O | Transmit data – eUSCI_A0 UART mode | |
| UCA1RXD | 26 | 20 | I | Receive data – eUSCI_A1 UART mode | |
| UCA1TXD | 25 | 19 | O | Transmit data – eUSCI_A1 UART mode | |
| UCA2RXD | 20, 44 | 16, 35 | I | Receive data – eUSCI_A2 UART mode | |
| UCA2TXD | 19, 43 | 15, 34 | O | Transmit data – eUSCI_A2 UART mode | |
| UCA3RXD | 28, 35 | 22, 29 | I | Receive data – eUSCI_A3 UART mode | |
| UCA3TXD | 27, 36 | 21, 30 | O | Transmit data – eUSCI_A3 UART mode | |
| USS_A | USSTRG | 30 | 24 | I | USS UUPS trigger |
| USSXTIN | 78 | 62 | I | Input for an oscillator USSXT | |
| USSXTOUT | 79 | 63 | O | Output for an oscillator USSXT | |
| USSXT_BOUT | 75, 10 | 9 | O | Buffered output clock of USSXT | |
| CH0_IN | 74 | 60 | I | USS Channel 0 RX | |
| CH0_OUT | 73 | 59 | I/O | USS Channel 0 TX | |
| CH1_IN | 67 | 53 | I | USS Channel 1 RX | |
| CH1_OUT | 68 | 54 | I/O | USS Channel 1 TX | |
| XPB0 | 55 | 46 | O | External bias output | |
| XPB1 | 64 | 50 | O | External bias output | |