| Field Name | Bits | Type | Reset Value | Description |
|---|
| _ | 31:16 | rwNormal read/write | 0x0 | Reserved, write as zero, read undefined. |
| TILEBUFFER_A_BITS | 15:12 | rwNormal read/write | 0x0 | Number of bits allocated to the alpha component in the tilebuffer |
| TILEBUFFER_B_BITS | 11:8 | rwNormal read/write | 0x0 | Number of bits allocated to the blue component in the tilebuffer |
| TILEBUFFER_G_BITS | 7:4 | rwNormal read/write | 0x0 | Number of bits allocated to the green component in the tilebuffer |
| TILEBUFFER_R_BITS | 3:0 | rwNormal read/write | 0x0 | Number of bits allocated to the red component in the tilebuffer |