Z80: Difference between revisions
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A12 | 2 39| A9 | A12 | 2 39| A9 | ||
A13 | 3 38| A8 | A13 | 3 38| A8 | ||
A14 | 4 37| | A14 | 4 37| A7 | ||
A15 | 5 36| A6 | A15 | 5 36| A6 | ||
(|) | 6 35| A5 | (|) | 6 35| A5 | ||
| Line 44: | Line 44: | ||
=Frequency= | =Frequency= | ||
''' | '''DIP40'''<br> | ||
Frequency: set reader to FREQ, put black probe to GND, red probe to 6 to measure CPU clock | Frequency: set reader to FREQ, put black probe to GND, red probe to 6 to measure CPU clock<br> | ||
'''LCC44'''<br> | '''LCC44'''<br> | ||
Frequency: set reader to FREQ, put black probe to GND, red probe to 7 to measure CPU clock | Frequency: set reader to FREQ, put black probe to GND, red probe to 7 to measure CPU clock | ||
Latest revision as of 07:52, 25 April 2024
8-bit Microprocessor
Pinout
DIP40-600mil
+--\/--+
A11 | 1 40| A10
A12 | 2 39| A9
A13 | 3 38| A8
A14 | 4 37| A7
A15 | 5 36| A6
(|) | 6 35| A5
D4 | 7 34| A4
D3 | 8 33| A3
D5 | 9 32| A2
D6 |10 31| A1
+5V |11 30| A0
D2 |12 29| GND
D7 |13 28| *RFSH
D0 |14 27| *M1
D1 |15 26| *RESET
*INT |16 25| *BUSRQ
*NMI |17 24| *WAIT
*HALT |18 23| *BUSAK
*MREQ |19 22| *WR
*IORQ |20 21| *RD
+------+
LCC44-690x690mil
+----------------------------------------------+
| 7 CLK | 18 *INT | 29 *BUSRQ | 40 A6 |
| 8 D4 | 19 NMI | 30 *RESET | 41 A7 |
| 9 D3 | 20 *HALT | 31 *M1 | 42 A8 |
| 10 D5 | 21 *MREQ | 32 *RFSH | 43 A9 |
| 11 D6 | 22 *IORQ | 33 GND | 44 A10 |
| 12 NC | 23 *RD | 34 A0 | 1 A11 |
| 13 Vcc | 24 NC | 35 A1 | 2 A12 |
| 14 D2 | 25 NC | 36 A2 | 3 A13 |
| 15 D7 | 26 *WR | 37 A3 | 4 A14 |
| 16 D0 | 27 *BUSACK | 38 A4 | 5 A5 |
| 17 D1 | 28 *WAIT | 39 A5 | 6 NC |
+----------------------------------------------+
Frequency
DIP40
Frequency: set reader to FREQ, put black probe to GND, red probe to 6 to measure CPU clock
LCC44
Frequency: set reader to FREQ, put black probe to GND, red probe to 7 to measure CPU clock
External links
Z80 page on Wikipedia
Z80 page on CPU-World
Files
-
Z80 Datasheet
