Overview
The MPC8247CVRTIEA557 is a member of the PowerQUICC II family of integrated communications processors, originally developed by Freescale Semiconductor and now part of NXP Semiconductors. This processor integrates a 32-bit Power Architecture core, a communications processor module (CPM), and various peripherals, making it suitable for a wide range of networking and communications applications. The device is known for its high performance, low power consumption, and compact form factor.
Key Specifications
| Specification | Value |
|---|---|
| Core Architecture | 32-bit Power Architecture |
| Core Voltage | 1.5 V (internal logic), 3.3 V (I/O) |
| Cache | Instruction and data caches, cache locking support |
| Communications Processor Module (CPM) | Embedded 32-bit RISC architecture, dual-port RAM, DMA controller |
| PCI Interface | PCI Specification revision 2.2-compliant, up to 66 MHz |
| Memory Interface | Support for SDRAM, byte write enables, programmable bank size |
| Security Features | No integrated security engine (SEC) in this model |
| Peripheral Interfaces | USB 2.0, SPI, I2C, TDM, UTOPIA serial interface |
| Timers and Clocks | Four independent 16-bit timers, multiple baud rate generators |
Key Features
- Floating-point unit (FPU) for floating-point arithmetic
- Low-power consumption with separate power supplies for internal logic and I/O
- Separate PLLs for the G2_LE core and CPM, allowing different frequencies for power/performance optimization
- Internal core/bus clock multiplier with various ratios
- Integrated PCI bridge with on-chip arbitration and support for PCI to 60x memory and vice versa
- Support for USB 2.0, SPI, I2C, and multiple TDM interfaces
- Microwire compatible I2C controller with multiple-master, single-master, and slave modes
Applications
The MPC8247CVRTIEA557 is designed to address the cost-sensitive needs of various networking and communications applications. It is particularly suited for use in:
- Networking equipment such as routers and switches
- Telecommunications systems
- Embedded systems requiring high performance and low power consumption
- Industrial control systems
Q & A
- What is the core architecture of the MPC8247CVRTIEA557?
The core architecture is 32-bit Power Architecture. - What are the core and I/O voltages for this processor?
The core voltage is 1.5 V, and the I/O voltage is 3.3 V. - Does the MPC8247CVRTIEA557 have an integrated security engine?
No, this model does not have an integrated security engine (SEC). - What types of memory interfaces are supported?
The processor supports SDRAM with byte write enables and programmable bank size. - What is the PCI interface specification?
The PCI interface is PCI Specification revision 2.2-compliant and supports frequencies up to 66 MHz. - What peripheral interfaces are available?
The processor includes USB 2.0, SPI, I2C, TDM, and UTOPIA serial interfaces. - How many timers does the processor have?
The processor has four independent 16-bit timers that can be interconnected as two 32-bit timers. - What is the significance of the separate PLLs in the processor?
The separate PLLs allow the G2_LE core and CPM to run at different frequencies for power/performance optimization. - Is the processor compatible with Hot-Swap specifications?
Yes, the processor is Hot-Swap friendly, supporting the Hot Swap Specification as defined by PICMG 2.1 R1.0. - What are some typical applications for the MPC8247CVRTIEA557?
Typical applications include networking equipment, telecommunications systems, embedded systems, and industrial control systems.
