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|                                                                                            |
|   --- --- --- --- ---                                                 --- --- --- --- ---  |
|   --- --- --- VCC GND VCC VCC GND --- ??? GND --- VCC --- VCC VCC GND VCC VCC --- --- ---  |
|   --- --- VCC GND GND GND --- RB0 RB2 ??? GND --- --- --- GND GND GND GND GND VCC --- ---  |
|   --- VCC GND GND GND GND --- RB0 RB2 E8  GND ALE ALE GND GND GND GND GND GND GND VCC ---  |
|       GND GND GND GND GND D7  E12 E14 E10 GND CLE CLE GND --- D3  D3  GND GND GND GND      |
|       VCC GND D4  D5  D6  D7  E4  E6  E0  --- RE  RE  GND --- --- --- D2  D1  D0  GND      |
|       VCC GND D4  D5  D6  VCC WE  WE  E2  --- --- --- GND GND --- --- D2  D1  D0  GND      |
|                                                                                            |
|                                                                                            |
|       GND D0  D1  D2  --- --- GND GND --- --- --- E3  WE  WE  VCC D6  D5  D4  GND VCC      |
|       GND D0  D1  D2  --- --- --- GND RE  RE  --- E1  E7  E5  D7  D6  D5  D4  GND VCC      |
|       GND GND GND GND D3  D3  --- GND CLE CLE GND E11 E15 E13 D7  GND GND GND GND GND      |
|   --- VCC GND GND GND GND GND GND GND ALE ALE GND E9  RB3 RB1 --- GND GND GND GND VCC ---  |
|   --- --- VCC GND GND GND GND GND --- --- --- GND ??? RB3 RB1 --- GND GND GND VCC --- ---  |
|   --- --- --- VCC VCC GND VCC VCC --- VCC --- GND ??? --- GND VCC VCC GND VCC --- --- ---  |
|   --- --- --- --- ---                                                 --- --- --- --- ---  |
| *                                                                                          |
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E0..15 = CS0..CS15