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| 型号： | 702075 |
| 厂商： | Spectrum Digital Inc |
| 文件页数： | 16/92页 |
| 文件大小： | 0K |
| 描述： | PLATFORM DEV DGTL VID FOR DM6437 |
| 标准包装： | 1 |
| 系列： | DaVinci™ |
| 类型： | DSP：视频 |
| 适用于相关产品： | TMS320DM64x |
| 所含物品： | 评估板、电源、缆线、软件和说明文档 |
| 配用： | WM2582-ND - EVALDI EARBUDS TYPE Y |
| 相关产品： | 296-34537-5-ND - IC DGTL MEDIA PROCESSOR 361NFBGA TMS320DM6437ZWTL-ND - IC DGTL MEDIA PROCESSOR 361NFBGA TMS320DM6437ZWT7-ND - IC DGTL MEDIA PROCESSOR 361NFBGA TMS320DM6437ZDUQ6-ND - IC DGTL MEDIA PROCESSOR 376-BGA TMS320DM6437ZDUL-ND - IC DGTL MEDIA PROCESSOR 376-BGA TMS320DM6437ZDU7-ND - IC DGTL MEDIA PROCESSOR 376-BGA TMS320DM6435ZWTQ6-ND - IC DGTL MEDIA PROCESSOR 361NFBGA TMS320DM6435ZWTL-ND - IC DGTL MEDIA PROCESSOR 361NFBGA TMS320DM6435ZWT7-ND - IC DGTL MEDIA PROCESSOR 361NFBGA TMS320DM6435ZDUQ6-ND - IC DGTL MEDIA PROCESSOR 376-BGA 更多... |
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Spectrum Digital, Inc
1.5 Configuration Switch Settings
The EVM has a two configuration switches that allow users to control the operational
state of the processor when it is released from reset. The configuration switches are
labeled SW1 and SW2 on the EVM board.
Switch SW1 configures the boot mode that will be used when the DSP starts executing.
By default the switches are configured to EMIF boot (out of 8-bit Flash). The DM6437
EVM only supports little endian mode and is not configurable. Refer to section 3.5.1 for
the boot load options using switch SW1.
1.6 Power Supply
The EVM operates from a single +5V external power supply connected to the main
power input (J16), a 2.5 MM. barrel-type plug. Internally, the +5V input is converted
into +1.2V, +1.8V and +3.3V using Texas Instruments swift voltage regulators. The
+1.2V supply is used for the DSP core while the +3.3V supply is used for the DSP's I/O
buffers and other chips on the board. The +1.8 volt supply is used for DM6437
DDR2 interface, and DDR2 memory.
There are three power test points on the EVM; TP23, TP34, and TP38. These test
points provide a convenient mechanism to check the EVM’s multiple power supplies.
The table below shows the voltages for each test point and what the supply is used for.
Table 1: Power Test Points
Test Point
TP23
TP34
TP38
Voltage
+1.2 V
+3.3V
+1.8 V
Voltage Use
DM6437 Core
DSP I/O and logic
DDR2 Memory, DSP I/O, and logic
1.7 Power Measurement
The EVM supports power test points to allow measurement of the various power rails
on the DM6437 device. Series resistors are used in the device’s power domains
thereby measuring the voltage across these resistors. The current can be calculated
via V = I * R.
Refer to the test point section in chapter 3 for detailed information on measuring current
on the DM6437 device.
1-6
DM6437 EVM Technical Reference
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