21.5.5 SOUT - Serial OUT to i/o space using direct addressing
The SOUT instruction stores the data byte that is shifted into the physical layer shift register to the I/O space. The instruction uses direct addressing, the address consisting of the 6 address bits of the instruction.
| Operation | Opcode | Remarks |
|---|---|---|
| I/O[a] ← data | 1aa1 aaaa | Bits marked ‘a’ form the direct, 6-bit address |