| Bit data | [d] Selected limbs |
|---|
| bit11 | bit10 | bit9 | bit8 |
|---|
| 0 | 0 | 0 | 0 | DATA RAM0, CT0 ++ | | 0 | 0 | 0 | 1 | DATA RAM1, CT1 ++ | | 0 | 0 | 1 | 0 | DATA RAM2, CT2 ++ | | 0 | 0 | 1 | 1 | DATA RAM3, CT3 ++ | | 0 | 1 | 0 | 0 | [RX] | | 0 | 1 | 0 | 1 | [PL] | | 0 | 1 | 1 | 0 | [RA0] | | 0 | 1 | 1 | 1 | [WA0] | | 1 | 0 | 0 | 0 | unused | | 1 | 0 | 0 | 1 | unused | | 1 | 0 | 1 | 0 | [LOP] | | 1 | 0 | 1 | 1 | [TOP] | | 1 | 1 | 0 | 0 | [CT0] | | 1 | 1 | 0 | 1 | [CT1] | | 1 | 1 | 1 | 0 | [CT2] | | 1 | 1 | 1 | 1 | [CT3] |
| | | Bit data | [d] Selected limbs |
|---|
| bit13 | bit2 | bit1 | bit0 |
|---|
| 0 | 0 | 0 | 0 | DATA RAM0 | | 0 | 0 | 0 | 1 | DATA RAM1 | | 0 | 0 | 1 | 0 | DATA RAM2 | | 0 | 0 | 1 | 1 | DATA RAM3 | | 0 | 1 | 0 | 0 | DATA RAM3, CT0 ++ | | 0 | 1 | 0 | 1 | DATA RAM3, CT1 ++ | | 0 | 1 | 1 | 0 | DATA RAM3, CT2 ++ | | 0 | 1 | 1 | 1 | DATA RAM3, CT3 ++ | | 1 | 0 | 0 | 0 | unused | | 1 | 0 | 0 | 1 | [ALU LOW] | | 1 | 0 | 1 | 0 | [ALU HIGHT] Higher 32 bits out of 48 bits |
|