1.14 Core Control Register
Note:
- This bit has no effect if US =
1(Unsigned mode).
| Name: | CORCON |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| US | |||||||||
| Access | R/W | ||||||||
| Reset | 0 |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| SATA | SATB | SATDW | ACCSAT | RND | IF | ||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | |||
| Reset | 0 | 0 | 1 | 0 | 0 | 0 |
Bit 12 – US DSP Multiply Unsigned/Signed Control
| Value | Description |
|---|---|
1 |
DSP Engine Unsigned mode enabled |
0 |
DSP Engine Signed mode enabled |
Bit 7 – SATA ACCA Saturation Enable(1)
| Value | Description |
|---|---|
1 |
Accumulator A saturation is enabled |
0 |
Accumulator A saturation is disabled |
Bit 6 – SATB ACCB Saturation Enable(1)
| Value | Description |
|---|---|
1 |
Accumulator B saturation is enabled |
0 |
Accumulator B saturation is disabled |
Bit 5 – SATDW Data Space Write from DSP Engine Saturation Enable
| Value | Description |
|---|---|
1 |
Data Space write saturation is enabled |
0 |
Data Space write saturation is disabled |
Bit 4 – ACCSAT Accumulator Saturation Mode Select
| Value | Description |
|---|---|
1 |
9.31 Saturation (super saturation) |
0 |
1.31 Saturation (normal saturation) |
Bit 1 – RND Rounding Mode Select
| Value | Description |
|---|---|
1 |
Biased (conventional) rounding is enabled |
0 |
Unbiased (convergent) rounding is enabled |
Bit 0 – IF Integer or Fractional Multiplier Mode Select
| Value | Description |
|---|---|
1 |
Integer mode is enabled for DSP multiply |
0 |
Fractional mode is enabled for DSP multiply |