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P8X32A/Propeller driver object for 85xxxx series FRAM memories
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avsa242/85xxxx-spin
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This is a P8X32A/Propeller driver object for I2C FRAM memories
IMPORTANT: This software is meant to be used with thespin-standard-library (P8X32A) orp2-spin-standard-library (P2X8C4M64P). Please install the applicable library first before attempting to use this code, otherwise you will be missing several files required to build the project.
- I2C connection at up to 1MHz (P2 tested up to 700kHz)
- Supports densities up to 1Mbit
- Read, write a single byte, or multiple bytes per transaction
- Read device ID (for devices that support it)
- Supports alternate slave addresses
P1/SPIN1:
- spin-standard-library
- 1 extra core/cog for PASM I2C engine
- memory.common.spinh (provided by spin-standard-library)
P2/SPIN2:
- p2-spin-standard-library
- memory.common.spin2h (provided by p2-spin-standard-library)
| Processor | Language | Compiler | Backend | Status |
|---|---|---|---|---|
| P1 | SPIN1 | FlexSpin (6.9.4) | Bytecode | OK |
| P1 | SPIN1 | FlexSpin (6.9.4) | Native/PASM | OK |
| P2 | SPIN2 | FlexSpin (6.9.4) | NuCode | Untested |
| P2 | SPIN2 | FlexSpin (6.9.4) | Native/PASM2 | OK |
(other versions or toolchains not listed arenot supported, andmay or may not work)
- Very early in development - may malfunction, or outright fail to build
- Mfr/density combinations other than Fujitsu 256kbit are untested