MPC823ECZT66B2

The MPC823ECZT66B2 PowerPC™ Quad Integrated Communications Controller (PowerQUICC) is a versatile 32-bit integrated microprocessor and peripheral combination that can be used in a variety of controller applications.It is a low-cost version of the MPC860 that provides an effective price/performance solution across a wide range of applications.The MPC823ECZT66B2 combines a high-performance PowerPC core with a multifaceted system integration package. Unless otherwise specified,the PowerQUICC unit will be referred to as it in this manual.The purpose of this manual is to describe the operation of all the MPC823ECZT66B2 functionality with concentration on the I/O functions. Additional details on the MPC823 can be found in the PowerPC architectural specifications.

The following list summarizes the main features of the MPC823ECZT66B2:(1)PowerPC Single-Issue Integer Core Performs Branch Folding and Prediction with Conditional Prefetch, but Without Conditional Execution;(2)Precise Exception Model;(3)High Performance (52K Dhrystone 2.1 MIPS @40MHz,3.3V,1.3W Total Power);(4)High Performance (52K Dhrystone 2.1 MIPS @40MHz, 3.3V,1.3W Total Power);(5)MPC8XX PowerPC System Interface, Including a Periodic Interrupt Timer,a Bus Monitor,and Real-Time Clocks;(6)Fully Static Design (0-40MHz Operation).

The MPC823ECZT66B2 is a combination of the embedded PowerPC core and integrated peripherals brought together to meet the demands of various communications and networking products.The MPC823ECZT66B2 is comprised of six modules that all use the 32-bit internal bus:An embedded PowerPC core,A system interface unit,Two UARTs and A serial peripheral interface.