Speech Core Registers
| B0 | Stage 0 Bandwidth Coefficient |
| B1 | Stage 1 Bandwidth Coefficient |
| B2 | Stage 2 Bandwidth Coefficient |
| B3 | Stage 3 Bandwidth Coefficient |
| B4 | Stage 4 Bandwidth Coefficient |
| B5 | Stage 5 Bandwidth Coefficient |
| F0 | Stage 0 Frequency Coefficient |
| F1 | Stage 1 Frequency Coefficient |
| F2 | Stage 2 Frequency Coefficient |
| F3 | Stage 3 Frequency Coefficient |
| F4 | Stage 4 Frequency Coefficient |
| F5 | Stage 5 Frequency Coefficient |
| A | Amplitude Register |
| P | Pitch Register |
| AI | Amplitude Interpolation Register |
| PI | Pitch Interpolation Register |
