If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r