68000
From Citylan
Pinout
68000, 68010 (DIP64) Motorola 16/32-bit microprocessor +------\/------+ D4 |1 64| D5 D3 |2 63| D6 D2 |3 62| D7 D1 |4 61| D8 D0 |5 60| D9 /AS |6 59| D10 /UDS |7 58| D11 /LDS |8 57| D12 R//W |9 56| D13 /DTACK |10 55| D14 /BG |11 54| D15 /BGACK |12 53| GND /BR |13 52| A23 VCC |14 51| A22 CLK |15 50| A21 GND |16 68000 49| VCC /HALT |17 68010 48| A20 /RST |18 47| A19 /VMA |19 46| A18 E |20 45| A17 /VPA |21 44| A16 /BERR |22 43| A15 /IPL2 |23 42| A14 /IPL1 |24 41| A13 /IPL0 |25 40| A12 FC2 |26 39| A11 FC1 |27 38| A10 FC0 |28 37| A9 A1 |29 36| A8 A2 |30 35| A7 A3 |31 34| A6 A4 |32 33| A5 +--------------+ Frequency: set reader to FREQ, put black probe to GND, red probe to 15 to measure CPU clock Guru's comment: 15, 23/24/25(vsync sometimes) 68000, 68010 (PLCC) Motorola 16/32-bit microprocessor PLCC68 +---------------------------------------------------------------+ | 10 /DTACK | 27 /IPL0 | 44 A13 | 61 D12 | | 11 /BG | 28 FC2 | 45 A14 | 62 D11 | | 12 /BGACK | 29 FC1 | 46 A15 | 63 D10 | | 13 /BR | 30 FC0 | 47 A16 | 64 D9 | | 14 VCC | 31 | 48 A17 | 65 D8 | | 15 CLK | 32 A1 | 49 A18 | 66 D7 | | 16 GND | 33 A2 | 50 A19 | 67 D6 | | 17 GND | 34 A3 | 51 A20 | 68 D5 | | 18 | 35 A4 | 52 VCC | 1 D4 | | 19 /HALT | 36 A5 | 53 A21 | 2 D3 | | 20 /RST | 37 A6 | 54 A22 | 3 D2 | | 21 /VMA | 38 A7 | 55 A23 | 4 D1 | | 22 E | 39 A8 | 56 GND | 5 D0 | | 23 /VPA | 40 A9 | 57 GND | 6 /AS | | 24 /BERR | 41 A10 | 58 D15 | 7 /UDS | | 25 /IPL2 | 42 A11 | 59 D14 | 8 /LDS | | 26 /IPL1 | 43 A12 | 60 D13 | 9 R//W | +---------------------------------------------------------------+ Frequency: set reader to FREQ, put black probe to GND, red probe to 15 to measure CPU clock Guru's comment: 16, 25/26/27(vsync sometimes)