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MC7447RX867NB Folha de dados(PDF) 5 Page - Motorola, Inc |
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MC7447RX867NB Folha de dados(HTML) 5 Page - Motorola, Inc |
5 / 12 page MOTOROLA MPC7457 Part Number Specification for the MPC74x7RXnnnnNx Series 5 General Parameters Table 8 provides the clock AC timing specifications for the MPC7457 part numbers described herein. Table 8. Clock AC Timing Specifications At recommended operating conditions. See Table 4. Characteristic Symbol Maximum Processor Core Frequency Unit Notes 600 MHz 733 MHz 867 MHz 1000 MHz Min Max Min Max Min Max Min Max Processor frequency fcore 500 600 500 733 500 867 500 1000 MHz 1 VCO frequency fVCO 1000 1200 1000 1466 1000 1733 1000 2000 MHz 1 SYSCLK frequency fSYSCLK 33 167 33 167 33 167 33 167 MHz SYSCLK cycle time tSYSCLK 6.0 30 6.0 30 6.0 30 6.0 30 ns Note: 1. Caution: The SYSCLK frequency, PLL_CFG[0:4] settings must be chosen such that the resulting SYSCLK (bus) frequency, CPU (core) frequency, and PLL (VCO) frequency do not exceed their respective maximum or minimum operating frequencies. Refer to the PLL_CFG[0:4] signal description in Section 1.9.1, “PLL Configuration,” for valid PLL_CFG[0:4] settings. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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