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MPC8270ZQB Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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MPC8270ZQB Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 80 page MPC8280 PowerQUICC II™ Family Hardware Specifications, Rev. 1.7 Freescale Semiconductor 3 Overview Figure 1 shows the block diagram. Shaded portions are device-specific; refer to the notes below. Figure 1. MPC8280 Block Diagram 1.1 Features The major features of the MPC8280 are as follows: • Dual-issue integer (G2_LE) core — A core version of the EC603e microprocessor — System core microprocessor supporting frequencies of 166–450 MHz — Separate 16-Kbyte data and instruction caches: – Four-way set associative – Physically addressed – LRU replacement algorithm — Architecture-compliant memory management unit (MMU) — Common on-chip processor (COP) test interface 16 Kbytes G2_LE Core I-Cache I-MMU 16 Kbytes D-Cache D-MMU Communication Processor Module (CPM) Timers Parallel I/O Baud Rate Generators 32 KB 32-bit RISC Microcontroller and Program ROM Serial DMAs 4 Virtual IDMAs 60x-to-PCI Bridge Bridge Memory Controller Clock Counter System Functions System Interface Unit (SIU) Local Bus 32 bits, up to 100 MHz PCI Bus 32 bits, up to 66 MHz or MCC11 MCC2 FCC1 FCC2 FCC3 SCC1 SCC2 SCC3 SCC4/ SMC1 SMC2 SPI I2C Serial Interface2 3 MII or RMII 2 UTOPIA Ports3 Ports 60x Bus Microcode IMA1 Data Interrupt Controller Time Slot Assigner TC Layer Hardware1 8 TDM Ports2 Non-Multiplexed I/O 60x-to-Local Bus Interface Unit 32 KB Instruction Notes: 1 MPC8280 only (not on MPC8270, the VR package, nor the ZQ package) 2 MPC8280 has 2 serial interface (SI) blocks and 8 TDM ports. MPC8270 and the VR and ZQ packages have only 1 SI block and 4 TDM ports (TDM2[A–D]). 3 MPC8280, MPC8275VR, MPC8275ZQ only (not on MPC8270, MPC8270VR, nor MPC8270ZQ) RAM RAM USB |
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Similar Description - MPC8270ZQB |
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