/**
   * @defgroup        cpu_cc2538 TI CC2538
   * @ingroup         cpu
   * @brief           Texas Instruments CC2538 Cortex-M3 MCU specific code
   */
  
  /**
   * @defgroup        cpu_cc2538_regs TI CC2538 CMSIS-style Headers
   * @ingroup         cpu_cc2538
   * @brief           CMSIS-style register definitions for the TI CC2538
   */