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DataSheet4U.
com SPI EXCHANGE 4 x SPI-3 TO SPI-4 Issue 1.
0 FEATURES • IDT88P8344 Functionality - Low speed to high speed SPI exchange device - Logical port (LP) mapping (SPI-3 - SPI-4) tables per direction - Per LP configurable memory allocation - Maskable interrupts for fatal errors - Fragment and burst length configurable per interface: min 16 bytes, max 256 bytes • Standard Interfaces - Four OIF SPI-3: 8 or 32 bit, 19.
44-133 MHz, 256 address range, 64 concurrently active LPs per interface - One OIF SPI-4 phase 2: 80 - 400 MHz, 256 address range, 256 concurrently active LPs - SPI-4 FIFO status channel options: • LVDS full-rate • LVTTL eighth-rate - Compatible with Network Processor...

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