The TM4C123G LaunchPad Evaluation Kit is a low-cost evaluation platform for Texas Instruments’ ARM Cortex-M4F based microcontrollers. The TM4C123G LaunchPad’s design showcases the TM4C123GH6PM microcontroller, which includes a USB 2.0 device interface and a hibernation module.
For unique applications, the EK-TM4C123GXL additionally has programmable user buttons and an RGB LED. When using Texas Instruments MCU BoosterPack to interface to other peripherals, the TM4C123G LaunchPad BoosterPackTM XL Interface’s stacked headers make it easy to increase the functionality of the TM4C123G LaunchPad.
Features
The ARM Cortex-M4F Based MCU TM4C123G LaunchPad Evaluation Kit (EK-TM4C123GXL) offers these features:
- High Performance TM4C123GH6PM MCU:
- 80MHz 32-bit ARM Cortex-M4F CPU
- 256KB Flash, 32KB SRAM, 2KB EEPROM
- Two Controller Area Network (CAN) modules
- Dual 12-bit 2MSPS ADCs, motion control PWMs
- 8 UART, 6 I2C, 4 SPI
- On-board In-Circuit Debug Interface (ICDI)
- USB Micro-B plug to USB-A plug cable
- Preloaded RGB quick-start application
- Tiva C Series TM4C123G LaunchPad
Tiva C Series TM4C123G LaunchPad Evaluation Board
Switch and LED interface
- PC0-PC3 is used for JTAG connections to the debugger on the LaunchPad.
- The LaunchPad connects PB6 to PD0, and PB7 to PD1.
- If you wish to use both PB6 and PD0 you will need to remove the R9 resistor.
- Similarly, to use both PB7 and PD1 remove the R10 resistor
GPIO Pin | Pin Function | USB Device |
PF4 | GPIO | SW1 |
PF0 | GPIO | SW2 |
PF1 | GPIO | RGB LED (RED) |
PF2 | GPIO | RGB LED (BLUE) |
PF3 | GPIO | RGB LED(GREEN) |
PCO | TCK/SWCLK | ICDI |
PC1 | TMS/SWDIO | ICDI |
PC2 | TDI | ICDI |
PC3 | TDO/SWO | ICDI |
PA0 | UORX | Virtual COM port(RxD |
PA1 | U0TX | Virtual COM port(TxD |
Interface connectors
Pin | J1 | J3 | J4 | J2 |
1 | 3.3v | 5v | PF2 | GND |
2 | PB5 | GND | PF3 | PB2 |
3 | PB0 | PD0 | PB3 | PE0 |
4 | PB1 | PD1 | PC4 | PF0 |
5 | PE4 | PD2 | PC5 | RESET |
6 | PE5 | PD3 | PC6 | PB7 |
7 | PB4 | PE1 | PC7 | PB6 |
8 | PA5 | PE2 | PD6 | PA4 |
9 | PA6 | PE3 | PD7 | PA3 |
10 | PA7 | PF1 | PF4 | PA2 |