Description
9 Status Register 10 Read Status Register (RDSR) Instruction 10 Write Status Register (WRSR) Instruction 10 Write Protection and Block Protection 11 Write Enable (WREN) Instruction 11 Write Disable (WRDI) Instruction 11 Block Protection 11 Write Protect (WP) Pin 12 Memory Access 12 Read Sequence (READ) instruction 12 Write Sequence (WRITE) instruction 12 nvSRAM Special Instructions 13 Software STORE (STORE) instruction 13 Software RECALL (RECALL) instruction 14 AutoStore Enable (A
Features
- 256-Kbit nonvolatile static random access memory (nvSRAM).
- Internally organized as 32 K × 8.
- STORE to QuantumTrap nonvolatile elements initiated automatically on power-down (AutoStore) or by user using HSB pin (Hardware STORE) or SPI instruction (Software STORE).
- RECALL to SRAM initiated on power-up (Power-Up RECALL) or by SPI instruction (Software RECALL).
- Automatic STORE on power-down with a small capacitor (except for CY14B256Q1) High reliability.
- Infini.