def __init__(self):
        vstruct.VStruct.__init__(self)
        self.IsrTime = v_uint64()
        self.IsrTimeStart = v_uint64()
        self.IsrCount = v_uint64()
        self.DpcTime = v_uint64()
        self.DpcTimeStart = v_uint64()
        self.DpcCount = v_uint64()
        self.IsrActive = v_uint8()
        self.Reserved = vstruct.VArray([ v_uint8() for i in xrange(15) ])