Editing MechaCon
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The newer one is ARM-based (Sony SR11 core, 32-bit, ARM7TDMI), codenamed "Dragon", and used from GH-023 onwards. Chip name starts with "CXR7". Comes in a 164-ball BGA package. | The newer one is ARM-based (Sony SR11 core, 32-bit, ARM7TDMI), codenamed "Dragon", and used from GH-023 onwards. Chip name starts with "CXR7". Comes in a 164-ball BGA package. | ||
The "Dragon" variant also fulfills the functions that were undertaken by the separate | The "Dragon" variant also fulfills the functions that were undertaken by the separate SysCon chip on earlier boards up to GH-022, as well as the RTC+EEPROM chip, which was separate on earlier boards (or dedicated EEPROM and RTC chips on even earlier boards). | ||
Both have access to a 1 KB / 512 words EEPROM. The EEPROM content is different between the SPC970-based MechaCon and Dragon. | Both have access to a 1 KB / 512 words EEPROM. The EEPROM content is different between the SPC970-based MechaCon and Dragon. |