| No. | sΌΜ | ϋό | ΰe | No. | sΌΜ | ϋό | ΰe | |
| 1 | GND | - | fmc | 26 | GND | - | fmc | |
| 2 | CLK | IN | (8MHz) | 27 | Vcc | IN | +5V | |
| 3 | BRESET* | IN | CPUΨΎ―ΔM | 28 | PWR* | - | ’gp | |
| 4 | D00 | OUT | f[^0rbg | 29 | IDA* | - | ’gp | |
| 5 | D01 | OUT | f[^1rbg | 30 | H1 | - | ’gp | |
| 6 | D02 | OUT | f[^2rbg | 31 | MEMSELA* | - | ’gp | |
| 7 | D03 | OUT | f[^3rbg | 32 | H2 | - | ’gp | |
| 8 | D04 | OUT | f[^4rbg | 33 | INTSELA* | IN | Interrupt CycleM | |
| 9 | D05 | OUT | f[^5rbg | 34 | H3 | - | ’gp | |
| 10 | D06 | OUT | f[^6rbg | 35 | IOSELA* | IN | I/O CycleM | |
| 11 | D07 | OUT | f[^7rbg | 36 | H4 | - | ’gp | |
| 12 | D08 | - | ’gp | 37 | ADDR1 | IN | Address1rbg | |
| 13 | D09 | - | ’gp | 38 | H5 | - | ’gp | |
| 14 | D10 | - | ’gp | 39 | ADDR2 | IN | Address2rbg | |
| 15 | D11 | - | ’gp | 40 | H6 | - | ’gp | |
| 16 | D12 | - | ’gp | 41 | ADDR3 | IN | Address3rbg | |
| 17 | D13 | - | ’gp | 42 | IRQA0* | OUT | InterruptM(έx4) | |
| 18 | D14 | - | ’gp | 43 | ADDR4 | - | ’gp | |
| 19 | D15 | - | ’gp | 44 | IRQA1* | - | ’gp | |
| 20 | BS0* | IN | oCgZbg(ΊΚ) | 45 | ADDR5 | - | ’gp | |
| 21 | BS1* | IN | oCgZbg(γΚ) | 46 | H7 | - | ’gp | |
| 22 | V- | IN | 47 | ADDR6 | - | ’gp | ||
| 23 | V+ | IN | 48 | ACKA* | OUT | Acknowledge | ||
| 24 | Vcc | IN | +5V | 49 | +5PSTBT | - | ’gp | |
| 25 | GND | - | fmc | 50 | GND | - | fmc |
| No. | sΌΜ | ϋό | ΰe | No. | sΌΜ | ϋό | ΰe | |
| 1 | GND | - | fmc | 26 | GND | - | fmc | |
| 2 | GND | - | fmc | 27 | RRa | IN | E[^[GR[_aM | |
| 3 | GND | - | fmc | 28 | GND | - | fmc | |
| 4 | GND | - | fmc | 29 | RRb | IN | E[^[GR[_bM | |
| 5 | GND | - | fmc | 30 | GND | - | fmc | |
| 6 | GND | - | fmc | 31 | Vcc | OUT | u | |
| 7 | GND | - | fmc | 32 | GND | - | fmc | |
| 8 | GND | - | fmc | 33 | RLa | IN | Ά[^[GR[_aM | |
| 9 | GND | - | fmc | 34 | GND | - | fmc | |
| 10 | GND | - | fmc | 35 | RLb | IN | Ά[^[GR[_bM | |
| 11 | GND | - | fmc | 36 | GND | - | fmc | |
| 12 | GND | - | fmc | 37 | Vcc | OUT | u | |
| 13 | GND | - | fmc | 38 | GND | - | fmc | |
| 14 | GND | - | fmc | 39 | TRs* | IN | E^b`ZTONM | |
| 15 | GND | - | fmc | 40 | GND | - | fmc | |
| 16 | GND | - | fmc | 41 | TRr* | IN | E^b`ZTOFFM | |
| 17 | GND | - | fmc | 42 | GND | - | fmc | |
| 18 | GND | - | fmc | 43 | TMs* | IN | ^b`ZTONM | |
| 19 | GND | - | fmc | 44 | GND | - | fmc | |
| 20 | GND | - | fmc | 45 | TMr* | IN | ^b`ZTOFFM | |
| 21 | GND | - | fmc | 46 | GND | - | fmc | |
| 22 | GND | - | fmc | 47 | TLs* | IN | Ά^b`ZTONM | |
| 23 | GND | - | fmc | 48 | GND | - | fmc | |
| 24 | GND | - | fmc | 49 | TLr* | IN | Ά^b`ZTOFFM | |
| 25 | GND | - | fmc | 50 | GND | - | fmc |