Freescale Semiconductor Data Sheet: Document Number: MSC8122 Rev.
15, 5/2008 MSC8122 FC PBGA–431 20 mm × 20 mm Quad Digital Signal Processor • Four StarCore™ SC140 DSP extended cores, each with an SC140 DSP core, 224 Kbyte of internal SRAM M1 memory (1436 Kbyte total), 16 way 16 Kbyte instruction cache (ICache), four-entry write buffer, external cache support, programmable interrupt controller (PIC), local interrupt controller (LIC), and low-power Wait and Stop processing modes.
• 475 Kbyte M2 memory for critical data and temporary data buffering.
• 4 Kbyte boot ROM.
• M2-accessible multi-core MQBus connecting the M2 memory with all four cores, operating at the core frequency, with data b...

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