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| 型号： | DSPAUDIOEVMMB1E |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 9/60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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Introduction
Chapter 2
Motherboard
2.1
Introduction
This section will define the motherboard and daughterboard jumper and switch functionality including their default setting. The jumpers allow
flexibility to re-route signals throughout the board, but only the simple jumper settings will be covered in this documentation. More advanced
EVM users will be able to experiment with alternate configurations using this section in conjunction with the schematic included in Appendix
A. The default jumper settings are indicated with the dark gray boxes.
2.2
2.2.1
Configuration Jumpers
JP1/JP2 - S/PDIF Transmitter Output
The JP1 and JP2 headers are designed to allow selection of the S/PDIF output sources driven by the daughterboard (DSP), AKM 4101 S/PDIF
transmitter, or AKM 4114 S/PDIF receiver. The DSP option on these jumpers is for future flexibility to allow for multiple S/PDIF signals to
be sourced from the daughterboard directly. One of the S/PDIF signals (TXSD4, TXSD5, or TXSD6) can be directed to the TX4 output by
selecting it, using JP2 and selecting the 4101TX4 option in the TX4 section of JP1. The 4114TX jumper option on TX4 is to allow direct
connection of the S/PDIF receiver relay to S/PDIF out. The ADO jumper option on TX1 allows the S/PDIF transmitter (DAX port) of certain
DSPs to be connected to the S/PDIF output connector.
Table 2-1. JP1 / JP2 – S/PDIF Transmitter Output
TX1
TX2
TX3
TX4
4101TX4
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
JP1
JP2
2.2.2
JP3/JP4 – S/PDIF Receiver Input
The JP3 jumper allows for hardware configuration of the AKM 4114 S/PDIF receiver. The default setting is for software control mode and
the AKM 4114 is configured by the Motorola HC908GP32 configuration microcontroller on the motherboard.
The JP4 jumper controls the S/PDIF receiver input source to allow direct routing to the daughterboard using the DSP setting or selecting
connection to the AKM 4114 (default).
Table 2-2. JP3 / JP4 – S/PDIF Receiver Input
IN=HI
RX1
RX2
RX3
RX4
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
JP3
JP4
2.2.3
JP5 — Pass-thru Header
This jumper block is included to give convenient access to all the critical audio clocks and data lines. These jumpers can be removed to allow
for rerouting of the audio signals within the board and to allow for expansion to external boards. As an example, this header could be used to
connect to an external audio codec board for evaluation of the Motorola DSP with a specific audio codec.
DSPAUDIOEVM Users Guide, Rev. 2.4
This document contains information on a new product. Specifications and information herein are subject ot change without notice.
Freescale Semiconductor
3
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