71B MultiMod: MEMORY LOST when changing batteries?
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04-21-2021, 06:28 PM
Post: #16
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RE: 71B MultiMod: MEMORY LOST when changing batteries?
(04-21-2021 05:15 PM)rprosperi Wrote: You cannot merge multiple physical modules into a single IRAM. In fact a 64, 96 or 128KB RAM module, while able to merge into the single 'system RAM' space, are constrained to be 32KB IRAMs. Both the CMT and HHP 32k modules have a signal pin that corresponds to the Last-Chip-In-Module bit in the FRAM71 configuration nibble. It's possible to open the modules and reconfigure how the LCIM pins are connected to create RAM ports greater that 32k. There is a bug with the 1BBBB firmware and 64k ports, so be aware. |
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