This hardware specification contains detailed information on power considerations, DC/AC electrical characteristics, and AC timing specifications for the MPC875/MPC870. The CPU on the MPC875/MPC870 is a 32-bit PowerPC™ core that incorporates memory management units (MMUs) and instruction and data caches and that implements the PowerPC instruction set. This hardware specification covers the following topics: 1 Overview The MPC875/MPC870 is a versatile single-chip integrated microprocessor and peripheral combination that can be used in a variety of controller applications and communications and networking systems. The MPC875/MPC870 provides enhanced ATM functionality over that of other ATM-enabled members of the MPC860 family.
The MPC875/MPC870 is a versatile single-chip integrated microprocessor and peripheral combination featuring an embedded MPC8xx core up to 133 MHz. It is designed for use in controller applications and communications and networking systems, providing enhanced ATM functionality.
The document covers detailed information on power considerations, DC/AC electrical characteristics, and AC timing specifications. Key features include a 32-bit PowerPC core with memory management units, two fast Ethernet controllers, a security engine for IPsec and SSL/TLS, and a communications processor module.
| Core Frequency | up to 133 MHz |
|---|---|
| External Bus Frequency | 80 MHz |
| Data Bus Width | 32-bit |
| Address Lines | 32 |
| Data Cache Size | 8 Kbyte |
| Instruction Cache Size | 8 Kbyte |
| Ethernet Speed | 10/100 Mbps |
| Package Type | 256-pin PBGA |
The maximum frequency operation of the external bus is 80 MHz when operating in 1:1 mode.
The processor includes an 8-Kbyte data cache and an 8-Kbyte instruction cache.
The device supports two 10/100 Mbps Ethernet controllers that interface through MII and/or RMII interfaces.