Service Manual: Mnemonics
Signal Listing
RD = Read
WR = Write
| RD ADCI | A/D converter data input |
| RD MSCI | Miscellaneous input |
| RD EXTI | External computer interface input |
| RD TIME | Timer reading (requires both strobes) |
| RD TIME + 1 | Timer reading (requires both strobes) |
| RD SWB | Switch bank (panel |
| RD NOTE | Note nummber (keyboard) |
| RD VEL | Velocity value (keyboard) |
| RD EOC | End of conversion |
| WR ADCO | A/D converter channel select (starts conversion) |
| WR MSCO | Miscellaneous output |
| WR EXTO | External computer interface output |
| WR TMOD | Timer mode |
| WR SEGS | Display segments |
| WR SDS | Switch bank and display digit select |
| WR LEDS | LEDS |
| WR LEDS + 1 | LEDS |
| WR SYND | Synthesizer data latch (Mother Board) |
| WR SYNA | Synthesizer address latch (Mother Board) |
| WR RDAC | Reference 8 Bit D/A converter |
| WR SHA | Sample and hold address |
| WR MDAC | Main 12 Bit D/A converter (requires both strobes) |
| WR MDAC + 1 | Main 12 Bit D/A converter (requires both strobes) |
| WR PRSS | Pressure sensor select |
| WR TAP | Tapper |
| XI FULL | External computer interface input buffer full |
| XI ACK | External computer interface intput acknowledge |
| XI INT | External computer interface input interrupt |
| XO FULL | External computer interface output buffer full |
| XO ACK | External computer interface output acknowledge |
| XO INT | External computer interface output interrupt |
| XO TRDY | Timer ready |
| XO KINT | Keyboard interrupt  |