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EV-2 数据表(PDF) 4 Page - Cirrus Logic |
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EV-2 数据表(HTML) 4 Page - Cirrus Logic |
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4 / 44 page  Rev. 2.1 4 CobraNet™ EV-2 Introduction The EV-2 provides a means of evaluating the CM-1 or CM-2 CobraNet™ Modules and the Cirrus Logic CobraNet Silicon Series of devices. In addition to evaluating the CM-1 or CM-2 (hereafter collectively referred to as the CM except where differences between the CM-1 and CM-2 exist), the user may also use the EV-2 as a development platform and as an example interface for CMs, the Cobranet Silicon Series, and other CobraNet related projects. The EV-2 connects to the CM via the module's host interface. An 8051-type microcontroller interfaces to the CM's host port, and a simple audio router on the EV-2 allows multiple audio inputs and outputs to connect to the CM's serial audio interface. The EV-2 software provides a simple interface for audio routing on the EV-2, as well as development support. Features*: • Analog audio I/O: Two channels of analog audio input converted to high quality, 24-bit, 48 kHz or 96 kHz digital audio. Two channels of 24-bit, 48 kHz or 96 kHz digital audio con- verted to high quality, analog audio output. Refer to Appendix B for audio I/O specifica- tions. • Digital audio I/O: One stream of AES3 input and one stream of AES3 output. An AES3 stream is two channels of digital audio. The AES3 input stream is sample rate converted. • 8051-type microcontroller: 64kB on-chip Flash Program Memory, 1kB internal SRAM, 32kB external SRAM and in-system programmability. • Field programmability: The supplied EV-2 software provides a means to reprogram EV-2 microcontroller firmware for field upgrades or user development. • RS232 Interfaces: Two RS232 interfaces, one direct to the CM and another to the micro- controller. Figure 1. EV-2 Block Diagram Analog Input Analog Output C M M O D U L E I N T E R F A C E VCXO ADC DAC AES LEDs SRAM Hex Switches RS232 Interfaces FPGA 8051 Output Input |
类似零件编号 - EV-2 |
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类似说明 - EV-2 |
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