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— | cybiko:memorymap [2009/11/27 17:54] (current) – created - external edit 127.0.0.1 | ||
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+ | ======Cybiko Memory Map v1.0121====== | ||
+ | By Jeff Frohwein | ||
+ | The Cybiko uses a Hitachi H8S/2241 as the main CPU.\\ | ||
+ | It operates in Advanced mode #6. | ||
+ | |||
+ | V1 = Version 1 cybiko Hardware Only\\ | ||
+ | V2 = Version 2 cybiko Hardware Only | ||
+ | |||
+ | **Whole Range** | ||
+ | < | ||
+ | +-------------------------------------+ | ||
+ | | Cybiko Classic (V2) - Memory Map | | ||
+ | +-------------------------------------+ | ||
+ | | 000000 - 007FFF | rom | | ||
+ | | 008000 - 00FFFF | 17 51 17 51 .. | | ||
+ | | 010000 - 0FFFFF | flash mirror | ||
+ | | 100000 - 13FFFF | flash | | ||
+ | | 140000 - 1FFFFF | flash mirror | ||
+ | | 200000 - 23FFFF | ram | | ||
+ | | 240000 - 3FFFFF | ram mirror | ||
+ | | 400000 - 5FFFFF | FF FF FF FF .. | | ||
+ | | 600000 - 600001 | lcd | | ||
+ | | 600002 - DFFFFF | FF FF FF FF .. | | ||
+ | | E00000 - FFDBFF | keyboard | ||
+ | | FFDC00 - FFFFFF | onchip ram & regs | | ||
+ | +-------------------------------------+ | ||
+ | </ | ||
+ | |||
+ | <note classic> | ||
+ | | ||
+ | File Flash are not memory mapped. They are accessed | ||
+ | through a serial buss. | ||
+ | </ | ||
+ | <note classic> | ||
+ | | ||
+ | caused by simple hardware design techniques. It | ||
+ | is not a good idea to rely upon these areas since | ||
+ | they can disappear in future hardware versions. | ||
+ | </ |