new_contents: #!/bin/false
  
  import pinutils;
  import json;
  info = {
    'name': "EFM32 GG STK",
    'link': [ "https://www.silabs.com/products/mcu/lowpower/Pages/efm32gg-stk3700.aspx" ],
    'variables': 1720,
    'binary_name': 'espruino_%v_efm32ggstk.bin',
  };
  chip = {
    'part': "EFM32GG990F1024",
    'family': "EFM32GG",
    'package': "BGA112",
    'ram': 128,
    'flash': 1024,
    'speed': 48,
    'usart': 3,
    'spi': 3,
    'i2c': 2,
    'adc': 1,
    'dac': 1,
  };
  
subject: Add initial definition of EFM32GGSTK board