68000
From Citylan
16/32-bit Microprocessor
Pinout
68000, 68010 (DIP64)
+---\/---+
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 49| VCC
/HALT |17 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
+--------+
68000, 68010 (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
'DIP64'
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)
'PLCC68'
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)
External links
68000 page on Wikipedia
68000 page on CPU-World
Files
-
Signetics 68000 Datasheet
