Differences

This shows you the differences between two versions of the page.

--- qspi [ 05.02.2025 23:31] – created lars
+++ qspi [ 17.08.2025 05:53] (current) – removed lars
@@ Line 1: / Line 1: @@
-====== QSPI ======
-Quad SPI is similar to SPI, but it has two additional data lines.
-===== Protocol =====
-==== Flash commands ====
-=== WRITE_STATUS (0x01) ===
-=== PAGE_PROGRAM (0x02) ===
-=== READ_DATA (0x03) ===
-=== WRITE_DISABLE (0x04) ===
-=== READ_STATUS (0x05) ===
-=== WRITE_ENABLE (0x06) ===
-=== FAST_READ (0x0B) ===
-=== WRITE_STATUS_3 (0x11) ===
-=== READ_STATUS_3 (0x15) ===
-=== SECTOR_ERASE (0x20) ===
-=== WRITE_STATUS_2 (0x31) ===
-=== QUAD_INPUT_PAGE_PROGRAM (0x32) ===
-=== READ_STATUS_2 (0x35) ===
-=== INDIVIDUAL_BLOCK_LOCK (0x36) ===
-=== INDIVIDUAL_BLOCK_UNLOCK (0x39) ===
-=== FAST_READ_DUAL_OUTPUT (0x3B) ===
-Dual SPI
-=== READ_BLOCK_LOCK (0x3D) ===
-=== PROGRAM_SECURITY (0x42) ===
-=== ERASE_SECURITY (0x44) ===
-=== READ_SECURITY (0x48) ===
-=== READ_UNIQUE_ID (0x4B) ===
-=== VOLATILE_SR_WRITE_ENABLE (0x50) ===
-=== BLOCK_ERASE_32KB (0x52) ===
-=== READ_SFDP (0x5a) ===
-=== CHIP_ERASE_A (0x60) ===
-=== ENABLE_RESET (0x66) ===
-=== FAST_READ_QUAD_OUTPUT (0x6B) ===
-Quad SPI
-=== ERASE_PROGRAM_SUSPEND (0x75) ===
-=== SET_BURST_WITH_WRAP (0x77) ===
-=== ERASE_PROGRAM_RESUME (0x7A) ===
-=== GLOBAL_BLOCK_LOCK (0x7E) ===
-=== MANUFACTURER_DEVICE_ID (0x90) ===
-=== MFTR_DEVICE_ID_DUAL_IO (0x92) ===
-Dual SPI
-=== MFTR_DEVICE_ID_QUAD_IO (0x94) ===
-Quad SPI
-=== GLOBAL_BLOCK_UNLOCK (0x98) ===
-=== RESET_DEVICE (0x99) ===
-=== READ_JEDEC_ID (0x9f) ===
-=== RELEASE_POWER_DOWN_ID (0xAB) ===
-=== POWER_DOWN (0xB9) ===
-=== FAST_READ_DUAL_IO (0xBB) ===
-Dual SPI
-=== CHIP_ERASE (0xC7) ===
-=== BLOCK_ERASE_64KB (0xD8) ===
-=== FAST_READ_QUAD_IO (0xEB) ===
-Quad SPI