Texas Instruments SWRU294, User Manual

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SWRU294
Page 24/40
MSP430 Signal Name Description EM pin
P1.0 P1_0 Unused GPIO RF2.19
P1.1 P1_1 GPIO signal to EM board RF1.4
P1.2 P1_2 / RF_SPI1_SCLK Alternative EM SPI Clock RF2.18
P1.3 P1_3 GPIO signal to EM board RF1.12
P1.4 P1_4 / RF_SPI1_CS_N Alternative EM SPI Chip Select RF1.3
P1.5 P1_5 GPIO signal to EM board RF1.6
P1.6 P1_6 Unused GPIO
P1.7 P1_7 GPIO signal to EM board RF1.10
P2.0 ACC_INT Accelerometer interrupt line
P2.1 BTN_LEFT Left button input line
P2.2 BTN_RIGHT Right button input line
P2.3 BTN_SELECT Select button input line
P2.4 BTN_UP Up button input line
P2.5 BTN_DOWN Down button input line
P2.6 P2_6 Unused GPIO
P2.7 USB_UART_CTS CTS line to USB MCU
P3.0 RF_SPI0_CS_N EM SPI Chip Select RF1.14
P3.1 RF_SPI0_MOSI EM SPI MOSI RF1.18
P3.2 RF_SPI0_MISO EM SPI MISO RF1.20
P3.3 RF_SPI0_SCLK EM SPI Clock RF1.16
P3.4 RF_UART_TXD / RF_SPI1_MISO 2-line UART to EM board RF1.7
P3.5 RF_UART_RXD / RF_SPI1_MOSI 2-line UART to EM board RF1.9
P3.6 LCD_BL LCD backlight module enable line
2
P3.7 RF_UART_RXD / RF_SPI1_MOSI Alternative EM SPI MOSI RF1.9
P4.0 LED_1 General purpose LED 1 line
P4.1 LED_2 General purpose LED 2 line
P4.2 LED_3 General purpose LED 3 line
P4.3 LED_4 General purpose LED 4 line
P4.4 USB_UART_RTS RTS line to USB MCU
P4.5 P4_5 Unused GPIO
P4.6 P4_6 Unused GPIO
P4.7 P4_7 Unused GPIO
P5.0 P5_0 GPIO or VREF+
P5.1 P5_1 GPIO or VREF-
P5.2 P5_2 / XT2IN Unused GPIO / External crystal oscillator line
P5.3 P5_3 / XT2OUT Unused GPIO / External crystal oscillator line
P5.4 RF_UART_TXD / RF_SPI1_MISO Alternative EM SPI MISO RF1.7
P5.5 P1_2 / RF_SPI1_SCLK Alternative EM SPI Clock RF2.18
P5.6 USB_UART_TXD TXD line to USB MCU
P5.7 USB_UART_RXD RXD line to USB MCU
Table 9
– MSP430 Port 1-5 pin-out
2
LCD backlight module is not included. Additional components needed to use backlight module.