Intel® Atom™ Processor Z5XX Series Features: • New single-core processor for mobile devices offering enhanced performance
• On die, primary 32-kB instructions cache and 24-kB write-back data cache
• 100-MHz and 133-MHz Source-Synchronous front side bus (FSB)
   -100 MHz: Intel® Atom™ processor Z500
   -133 MHz: Intel® Atom™ processor Z540, Z530, Z520, and Z510
• On die 512-kB, 8-way L2 cache      
• Support for IA 32-bit architecture      
• Intel® Virtualization Technology (Intel® VT)      
• Intel® Streaming SIMD Extensions 2 and 3 (Intel® SSE2 and Intel® SSE3) and Supplemental Streaming SIMD Extensions 3 (SSSE3) support      
• Supports new CMOS FSB signaling for reduced power      
• Micro-FCBGA8 packaging technologies      
• Thermal management support using TM1 and TM2      
• FSB Lane Reversal for flexible routing      
• Supports C0/C1(e)/C2(e)/C4(e)      
• Intel® Deep Power-Down Technology (C6)      
• L2 Dynamic Cache Sizing      
• New Split-VTT support for lowest processor power state      
• Advanced power management features including Enhanced Intel SpeedStep®  Technology      
• Execute Disable Bit support for enhanced security     

The Intel® Atom™ processor Z5xx series is built on a new 45-nanometer Hi-k low power micro-architecture and 45 nm process technology — the first generation of lowpower IA-32 micro-architecture specially designed for the new class of Mobile Internet Devices (MIDs). In the Intel® Centrino® Atom™ processor technology platform, the Intel® Atom™ processor Z5xx series supports the Intel® System Controller Hub (Intel SCH), a single-chip component design for low-power.