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| 型号： | DSPAUDIOEVMMB1E |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 17/60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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DSPX37XDB1
Chapter 4
DSP56371 DAUGHTERBOARD
4.1
DSPX37XDB1
The following section describes the jumper and switch options for the DSPX37XDB1. The schematic for the daughterboard can be found in
NOTE
Two versions of the DSPX37XDB1 exist: Rev C and Rev D. You can determine the revision by
looking at the bottom side of the board just below the serial number. This section documents Rev D
of the board which is the current production revision. While the jumper sets are numbered differently
between the revisions, the functional descriptions remain the same. The only functional difference
between revisions is the addition of the boot from on-board serial EEPROM available only on the Rev
D board. Schematics for the Rev C board are not included in this manual but are available upon
request.
Table 4-1. Mode Selection
MODD
0
0
0
0
1
MODC
0
0
1
1
0
MODB
1
1
0
1
0
MODA
0
0
1
1
1
TP14
0
1
X
X
X
TP13
1
1
X
X
X
Mode
Bootstrap SA in SPI mode
Bootstrap SA in I 2 C mode
Bootstrap from SHI (slave SPI) mode
Bootstrap from SHI (slave I 2 C) mode
Bootstrap from SHI (serial EEPROM) mode
NOTE
All other modes are reserved and should not be used.
4.2
Mode Selection
Various boot-up modes can be selected via the MODE pins and pins TP13 and TP14 settings can be determined using switch bank SW1.
Switch position “ON”= signal high. See the DSP56371 user manual for full details.
4.3
Memory
2
The DSPX37XDB1 daughterboard includes one 1Mx8 EEPROM accessed by an I C-compatible bus. This memory comes pre-programmed
with a basic audio passthru code to allow simple verification of the initial board operations. See Section 1.8, Running the Passthru Code for
more details.
4.4
JP1 - Clock Selection
Jumper bank JP1 allows for the following clocking modes:
OSC – Clock DSP from canned oscillator at U7 (not Populated)
XTAL – Clock DSP from 24.576MHz crystal at X1 (default mode)
EXT – Clock DSP from motherboard 24.576MHz clock source
Only one of the JP1 options should be populated at the same time.
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
11
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