| Subcategory | 1-Channel (11) 2-Channel (11) 4-Channel (10) | Don't Care |
| Interface | Intel (28) Motorola (4) VLIO (4) | Don't Care |
VCC  | 1.8V (6) 2.5V (26) 3.3V (26) 5.0V (25) | Don't Care |
| Datarate (Mbps) | ≥0.125 (30) ≥0.5 (30) ≥1 (30) ≥2 (30) ≥3 (30) ≥4 (24) ≥5 (24) | Don't Care |
| Flow Control | RTS/CTS (27) XON/XOFF (24) Both (24) | Don't Care |
| Power Down | Yes (26) No (6) | Don't Care |
| DMA | Yes (27) No (5) | Don't Care |
| Tx FIFO (Bytes) | 16 (10) 32 (4) 64 (11) 128 (7) | Don't Care |
| Rx FIFO (Bytes) | 16 (10) 32 (4) 64 (11) 128 (7) | Don't Care |
| IrDA Channel(s) | Yes (18) No (14) | Don't Care |
| Package | LQFP (23) PLCC (16) HVQFN (15) DIL (6) TFBGA (5) LFBGA (1) | Don't Care |