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68230
PIT Parallel Interface and Timer
Schematic Symbol
Pin Configuration (48 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | D5 | tri_state |
| 2 | D6 | tri_state |
| 3 | D7 | tri_state |
| 4 | PA0 | bidirectional |
| 5 | PA1 | bidirectional |
| 6 | PA2 | bidirectional |
| 7 | PA3 | bidirectional |
| 8 | PA4 | bidirectional |
| 9 | PA5 | bidirectional |
| 10 | PA6 | bidirectional |
| 11 | PA7 | bidirectional |
| 12 | VCC | power_in |
| 13 | H1 | input |
| 14 | H2 | bidirectional |
| 15 | H3 | input |
| 16 | H4 | bidirectional |
| 17 | PB0 | bidirectional |
| 18 | PB1 | bidirectional |
| 19 | PB2 | bidirectional |
| 20 | PB3 | bidirectional |
| 21 | PB4 | bidirectional |
| 22 | PB5 | bidirectional |
| 23 | PB6 | bidirectional |
| 24 | PB7 | bidirectional |
| 25 | RS5 | input |
| 26 | RS4 | input |
| 27 | RS3 | input |
| 28 | RS2 | input |
| 29 | RS1 | input |
| 30 | PC0 | bidirectional |
| 31 | PC1 | bidirectional |
| 32 | TIN/PC2 | bidirectional |
| 33 | PC3/TOUT | bidirectional |
| 34 | DMAREQ/PC4 | bidirectional |
| 35 | PC5/PIRQ | bidirectional |
| 36 | PC6/PIACK | bidirectional |
| 37 | PC7/TIACK | bidirectional |
| 38 | GND | power_in |
| 39 | RESET | input |
| 40 | CLK | input |
| 41 | CS | input |
| 42 | DTACK | open_collector |
| 43 | R/W | input |
| 44 | D0 | tri_state |
| 45 | D1 | tri_state |
| 46 | D2 | tri_state |
| 47 | D3 | tri_state |
| 48 | D4 | tri_state |
Footprint
ConfirmedPackage_DIP/DIP-48_W15.24mm
Pad Layout
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2
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48
Pads (48)
| Number | Type |
|---|---|
| 1 | thru hole |
| 2 | thru hole |
| 3 | thru hole |
| 4 | thru hole |
| 5 | thru hole |
| 6 | thru hole |
| 7 | thru hole |
| 8 | thru hole |
| 9 | thru hole |
| 10 | thru hole |
| 11 | thru hole |
| 12 | thru hole |
| 13 | thru hole |
| 14 | thru hole |
| 15 | thru hole |
| 16 | thru hole |
| 17 | thru hole |
| 18 | thru hole |
| 19 | thru hole |
| 20 | thru hole |
| 21 | thru hole |
| 22 | thru hole |
| 23 | thru hole |
| 24 | thru hole |
| 25 | thru hole |
| 26 | thru hole |
| 27 | thru hole |
| 28 | thru hole |
| 29 | thru hole |
| 30 | thru hole |
| 31 | thru hole |
| 32 | thru hole |
| 33 | thru hole |
| 34 | thru hole |
| 35 | thru hole |
| 36 | thru hole |
| 37 | thru hole |
| 38 | thru hole |
| 39 | thru hole |
| 40 | thru hole |
| 41 | thru hole |
| 42 | thru hole |
| 43 | thru hole |
| 44 | thru hole |
| 45 | thru hole |
| 46 | thru hole |
| 47 | thru hole |
| 48 | thru hole |