{
  signal: [
    {name: 'clock',       wave: 'P......', phase:0.5},
  {name: 'okToRead',    wave: 'x......'},
  {name: 'readReq',     wave: '1..0...', node: '...d..'},
  {name: 'readyToRead', wave: '1...0..', node: '....f.'},
  {name: 'read',        wave: '01.0...'},
  {name: 'rAddr[3:0]',  wave: 'x==x...',  data: ["addr", "addr final"]},
  {name: 'rData[31:0]', wave: 'x.==x..',  data: ["data", "data final"]}
  ],
  edge: [ 'd~>f' ],
  config: { hscale: 2} ,head:   {text:'Normal read sequence end'}
}