HuCard
From ArchaicPixels: HuC and PCEAS Documentation
Pins are listed from left to right, on the label side of the HuCard, with the connector side pointing away(or up).
| Pin # | Signal/Usage |
| 1 | /CARD_DETECT |
| 2 | AUDIO_IN |
| 3 | A19 |
| 4 | A16 |
| 5 | A15 |
| 6 | A12 |
| 7 | A7 |
| 8 | A6 |
| 9 | A5 |
| 10 | A4 |
| 11 | A3 |
| 12 | A2 |
| 13 | A1 |
| 14 | A0 |
| 15 | D0 (D7 for TG16) |
| 16 | D1 (D6 for TG16) |
| 17 | D2 (D5 for TG16) |
| 18 | GND |
| 19 | D3 (D4 for TG16) |
| 20 | D4 (D3 for TG16) |
| 21 | D5 (D2 for TG16) |
| 22 | D6 (D1 for TG16) |
| 23 | D7 (D0 for TG16) |
| 24 | A20 |
| 25 | A10 |
| 26 | /RD |
| 27 | A11 |
| 28 | A9 |
| 29 | A8 |
| 30 | A13 |
| 31 | A14 |
| 32 | A17 |
| 33 | A18 |
| 34 | /WR |
| 35 | SPEED(high = 7.1591MHz, low = 1.789772MHz) |
| 36 | /RESET |
| 37 | /IRQ2 |
| 38 | VCC +5VDC |
