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| 型号： | 702075 |
| 厂商： | Spectrum Digital Inc |
| 文件页数： | 26/92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
2.8 Daughter Card Interfaces
The EVM provides expansion connectors that can be used to accept plug-in daughter
cards. The daughter card allows users to build on their EVM platform to extend its
capabilities and provide customer and application specific I/O. The expansion
connectors are for all major interfaces including memory, peripherals, and video
expansion.
The pin outs for this interface are documented in Section 3.
The connectors provide access to the DSP’s EMIF signals to interface with memories
and memory mapped devices. The video capture port is brought out to the daughter
card interface.
Several signals are used to disable the on board video peripherals so that they can be
used by the expansion connector. The table below indicates the operation of these
signals.
Table 7: Daughter Card Interface
Signal
AIC33_ENABLEn
CI_EMA_ENABLEn
MEM_EMD7-0_ENABLEn
VIC_TINPOL_ENABLEn
ENET_ENABLEn
CAN_ENABLEn
RS232_ENABLEn
TVP5146_ENABLEn
Function
Disconnects CPU from on board codec
Disables CI0 to CI7 from upper on board EMIF address lines
Disables CPU from on board data bus
Disable CPU TINPOL pin from on board use
Disconnects CPU from on board ethernet PHY
Disconnects CPU from on board CAN
Disconnects CPU from on board UART
Disconnects CPU from on board video decoder
Other than the buffering, most daughter card signals are not modified on the board.
2.9 DM6437 Core CPU Clock
The DM6437 EVM uses a 27 Megahertz crystal to generate the input clock. The
DM6437 has an internal PLL which can multiply the input clock to generate the internal
clock. The PLL multiplier is set via software on the DM6437 device.
2.10 DM6437 Core Voltage Select
The DM6437 EVM has the ability to adjust the core voltage between 1.2 volts and
1.05 volts. an I/O expander is used to control this I 2 C feature.
2-10
DM6437 EVM Technical Reference
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