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DSP56724 Datasheet(PDF) 2 Page - Freescale Semiconductor, Inc |
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DSP56724 Datasheet(HTML) 2 Page - Freescale Semiconductor, Inc |
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2 / 48 page ![]() Symphony™ DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 1 Freescale Semiconductor 2 Table of Contents 1 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.1 Chip-Level Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1.1 Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1.2 Thermal Characteristics . . . . . . . . . . . . . . . . . . . . . 6 1.1.3 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1.4 DC Electrical Characteristics . . . . . . . . . . . . . . . . . . 7 1.1.5 AC Electrical Characteristics . . . . . . . . . . . . . . . . . . 8 1.1.6 Internal Clocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.1.7 External Clock Operation. . . . . . . . . . . . . . . . . . . . . 9 1.1.8 Reset, Stop, Mode Select, and Interrupt Timing . . 10 1.2 Module-Level Specifications . . . . . . . . . . . . . . . . . . . . . . .13 1.2.1 Serial Host Interface SPI Protocol Timing . . . . . . . 14 1.2.2 Serial Host Interface (SHI) I2C Protocol Timing . . 20 1.2.3 Programming the SHI I 2C Serial Clock . . . . . . . . . 22 1.2.4 Enhanced Serial Audio Interface Timing . . . . . . . . 23 1.2.5 GPIO Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 1.2.6 JTAG Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 1.2.7 Watchdog Timer Timing . . . . . . . . . . . . . . . . . . . . . 31 1.2.8 S/PDIF Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 1.2.9 EMC Timing Specifications—DSP56724 . . . . . . . . 33 2 Functional Description and Application Information . . . . . . . 38 3 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 4 Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 4.1 Pinout and Package Information . . . . . . . . . . . . . . . . . 39 4.1.1 Pinout for DSP56724 144-Pin Plastic LQFP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 4.1.2 Pinout for DSP56725 80-Pin Plastic LQFP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 4.1.3 Pin Multiplexing. . . . . . . . . . . . . . . . . . . . . . . . . . 40 4.2 144-Pin Package Outline Drawing . . . . . . . . . . . . . . . . 41 4.3 80-Pin Package Outline Drawing . . . . . . . . . . . . . . . . . 43 5 Product Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 6 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 |
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