Datasheet

MSP430FR4133, MSP430FR4132, MSP430FR4131
www.ti.com SLAS865B –OCTOBER 2014–REVISED AUGUST 2015
Table 4-1. Signal Descriptions (continued)
TERMINAL
PACKAGE SUFFIX I/O DESCRIPTION
NAME
PM G56 G48
General-purpose I/O
(2)
MCLK output
P1.4/MCLK/TCK/A4/VREF+ 20 24 22 I/O Test clock
Analog input A4
Output of positive reference voltage with ground as reference
General-purpose I/O
P1.3/UCA0STE/A3 21 25 23 I/O eUSCI_A0 SPI slave transmit enable
Analog input A3
General-purpose I/O
P1.2/UCA0CLK/A2 22 26 24 I/O eUSCI_A0 SPI clock input/output
Analog input A2
General-purpose I/O
P1.1/UCA0RXD/UCA0SOMI/ eUSCI_A0 UART receive data
23 27 25 I/O
A1/Veref+ eUSCI_A0 SPI slave out/master in
Analog input A1, and ADC positive reference
General-purpose I/O
P1.0/UCA0TXD/UCA0SIMO/ eUSCI_A0 UART transmit data
24 28 26 I/O
A0/Veref- eUSCI_A0 SPI slave in/master out
Analog input A0, and ADC negative reference
General-purpose I/O
P5.7/L39
(1)
25 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P5.6/L38
(1)
26 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P5.5/L37
(1)
27 29 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P5.4/L36
(1)
28 30 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P5.3/UCB0SOMI/UCB0SCL/L35 29 31 27 I/O eUSCI_B0 SPI slave out/master in; eUSCI_B0 I2C clock
LCD drive pin; either segment or common output
General-purpose I/O
P5.2/UCB0SIMO/UCB0SDA/L34 30 32 28 I/O eUSCI_B0 SPI slave in/master out; eUSCI_B0 I2C data
LCD drive pin; either segment or common output
General-purpose I/O
P5.1/UCB0CLK/L33 31 33 29 I/O eUSCI_B0 clock input/output
LCD drive pin; either segment or common output
General-purpose I/O
P5.0/UCB0STE/L32 32 34 30 I/O eUSCI_B0 slave transmit enable
LCD drive pin; either segment or common output
General-purpose I/O
P2.7/L31 33 35 31 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P2.6/L30 34 36 32 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P2.5/L29 35 37 33 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P2.4/L28 36 38 34 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P2.3/L27 37 39 35 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P2.2/L26 38 40 36 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P2.1/L25 39 41 37 I/O
LCD drive pin; either segment or common output
General-purpose I/O
P2.0/L24 40 42 38 I/O
LCD drive pin; either segment or common output
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