{
  signal: [
  {name: 'clock',        wave: 'P||..p|P', phase:0.5},
  {name: 'okToWrite',    wave: '1...=...', node: '....b....'},
  {name: 'frameID_wOut', wave: '0=..=...', data: ["previous frameID","new frameID whenever addr0 is written"]},
  {name: 'writeReq',     wave: '1.......'},
  {name: 'readyToWrite', wave: '01......'},
  {name: 'write',        wave: '0.1.0.1.', node: '..a.....'},
  {name: 'wAddr[3:0]',   wave: '0.==x.==', data: ["addrA", "addrB", "addrC", "addr"]},
  {name: 'wData[31:0]',  wave: '0.==x.==', data: ["dataA", "dataB", "dataC", "data"]}
],
  edge: [ 'a~>b see note' ],
  config: { hscale: 2}, 
  head:   {text:'Normal write sequence start'}, 
  foot:   {text:'note. The transition depends on the availability of all procs in the SP'}
}