Controller IC Chip - SMSE MEC1322 NU MEC1322-NU QFP 128 Chip for laptop - Ολοκληρωμένο τσιπ φορητού υπολογιστή (Κωδ.1-CHIP1101) The MEC1322 incorporates a high-performance 32-bit ARM® Cortex®-M4 embedded microcontroller with 128 Kilobytes of SRAM and 32 Ki lobytes of Boot ROM. It communicates with the system host using the Intel® Low Pin Count (LPC) bus. The MEC13 22 has two SPI memo ry interfaces that allow the EC to read its code from external SPI fl ash memory: private SPI a nd/or shared SPI. T he Shared SPI interface a llows for EC co de to be stored in a shared SPI chip along with the system BIOS. The private SPI me mory interface provi des for a dedi cated SPI flash that is only accessible by the EC. The MEC1322 provides support for loading EC co de from the private or shared SPI flash device on a VCC1 power-on. Before executing the EC code loaded from a SPI Flash Device, the MEC1322 validates the EC code using a digi tal signature encoded according to PKCS #1. T he sig nature us

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