Game Pak: Difference between revisions
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(Rewrote pinout table with updated information.) |
(Updated pin 19 to include EEPROM usage.) |
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| Line 44: | Line 44: | ||
| CIC_15 || 18 || || 43 || CIC_14 |
| CIC_15 || 18 || || 43 || CIC_14 |
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|- style="text-align:center;" |
|- style="text-align:center;" |
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| 1.95MHz_CLK || 19 || || 44 || /INT1 |
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|- style="text-align:center;" |
|- style="text-align:center;" |
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| /ColdReset || 20 || || 45 || /NMI |
| /ColdReset || 20 || || 45 || /NMI |
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* Pins 14 & 39 on the cartridge connector are missing contacts, thus these pins only apply to the EXT connector on the bottom of the console. |
* Pins 14 & 39 on the cartridge connector are missing contacts, thus these pins only apply to the EXT connector on the bottom of the console. |
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* Pin 18 is bi-directional data between the CIC and PIF. |
* Pin 18 is bi-directional data between the CIC and PIF. |
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* Pin 19 is a ~1.95 MHz clock driven by the PIF. |
* Pin 19 is a ~1.95 MHz clock driven by the PIF, used for both the CIC's CPU clock (pin 11) and EEPROM communication. |
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* Pin 21 is PIF Channel 5, via PIF pins 23 & 24. |
* Pin 21 is PIF Channel 5, via PIF pins 23 & 24. |
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* Pin 43 is the clock associated with pin 18's data, and is always driven by the PIF. It only pulses when the PIF needs to send or receive data. |
* Pin 43 is the clock associated with pin 18's data, and is always driven by the PIF. It only pulses when the PIF needs to send or receive data. |
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