Bit |
Description |
6 - 3
|
mantissa
0000 |
- |
use device speed code |
0001 |
- |
1.0 |
0010 |
- |
1.2 |
0011 |
- |
1.2 ??? |
0100 |
- |
1.5 |
0101 |
- |
2.0 |
0110 |
- |
2.5 |
0111 |
- |
3.0 |
1000 |
- |
3.5 |
1001 |
- |
4.0 |
1010 |
- |
4.5 |
1011 |
- |
5.0 |
1100 |
- |
5.5 |
1101 |
- |
6.0 |
1110 |
- |
7.0 |
1111 |
- |
8.0 |
|
--- if mantissa == 0 ---
|
2 - 0
|
device speed code
000 |
- |
reserved |
001 |
- |
250 ns |
010 |
- |
200 ns |
011 |
- |
150 ns |
100 |
- |
100 ns |
101 - 111 |
- |
reserved |
|
--- if mantissa != 0 ---
|
2 - 0
|
speed exponent
000 |
- |
1 ns |
001 |
- |
10 ns |
010 |
- |
100 ns |
011 |
- |
1 us |
100 |
- |
10 us |
101 |
- |
100 us |
110 |
- |
1 ms |
111 |
- |
10 ms |
|