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参数资料
| 型号： | DSPAUDIOEVMMB1E |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 8/60页 |
| 文件大小： | 0K |
| 描述： | BOARD MOTHER DSP563XX |
| 标准包装： | 1 |
| 系列： | Symphony™ |
| 类型： | DSP |
| 适用于相关产品： | DSP563XX |
| 所含物品： | 主板 |
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Microcontrollers
NOTE
The SDI software is designed for users of ROM-based Software Architecture enabled DSPs. It cannot
be used with generic or "B" ROM DSPs.
1.4
Microcontrollers
There are two HC08 Motorola microcontrollers included in this EVM. They each have a dedicated function and are re-flashable in the event
a field upgrade is required to the EVM.
1.5
Config MPU
This is an HC908GP32 microcontroller and is pre-programmed with software to enable all of the on-board AKM components and clocking
mode changes. This microcontroller also controls the mute functionality of the final audio outputs and the switching of the inputs sourced to
the DSP daughterboard.
1.6
Debug MPU
This is an HC908JB16 and is pre-programmed with software to allow communication (from a host PC to the DSP) via the serial RS232 and
USB ports in conjunction with the supplied SDI debugger software.
1.7
Getting Started
The first step to using your EVM system is to insert the daughterboard into the motherboard. The connectors are keyed to be inserted in only
one direction.
Connecting the power supply is the next step and we recommend always using a grounded AC power cord for both improved audio
performance and safety. Connect the power supply to the AC power source first and then to the EVM at the round J1 connector. When the
connector is properly seated, all five of the power LEDs located next to the J1 connector should be illuminated.
1.8
Running the Passthru Code
Each daughterboard is shipped with a simple piece of passthru code stored in the on-board FLASH or EEPROM device. To run this code,
ensure that the boot mode, controlled by switch SW1, is set to boot the DSP from the on-board FLASH or EEPROM device. See the
daughterboard specific section for more information regarding bootmodes.
For the above mentioned passthru function the source device is selected by setting the jumpers of JP11 (AUX in). The default setting from
the factory configures the system to source audio data from the optical RX1 S/PDIF input. Alternate settings are described in Section 2.2.4.6,
JP11 – AUX Mode Input Source Selection . The DSP passthru software passes the audio sourced from the selected input to the first 4 stereo
analog outputs (AOUT 1-4). You can listen to these outputs by connecting an external amplifier and speaker to the RCA outputs or by using
the built-in headphone amplifier. To use the headphone output select the desired analog output signals using the left and right channel select
switches (SW2/SW3) and adjust the left and right volume sliders (RV3/RV4).
DSPAUDIOEVM Users Guide, Rev. 2.4
This document contains information on a new product. Specifications and information herein are subject ot change without notice.
2
Freescale Semiconductor
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