參數(shù)資料
型號： TMX320DM647ZUT900
廠商： Texas Instruments, Inc.
英文描述： Digital Media Processor
中文描述： 數(shù)字媒體處理器
文件頁數(shù)： 136/166頁
文件大?。?/td> 1341K
代理商： TMX320DM647ZUT900
www.ti.com
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6.16.3 PCI Electrical Data/Timing
6.17 Multichannel Audio Serial Port (McASP) Peripheral
6.17.1 McASP Device-Specific Information
TMS320DM647/TMS320DM648
Digital Media Processor
SPRS372–MAY 2007
Table 6-58. PCI External Memory Space (continued)
HEX ADDRESS OFFSET
0x4780 0000 - 0x47FF FFFF
0x4800 0000 - 0x487F FFFF
0x4880 0000 - 0x48FF FFFF
0x4900 0000 - 0x497F FFFF
0x4980 0000 - 0x49FF FFFF
0x4A00 0000 - 0x4A7F FFFF
0x4A80 0000 - 0x4AFF FFFF
0x4B00 0000 - 0x4B7F FFFF
0x4B80 0000 - 0x4BFF FFFF
0x4C00 0000 - 0x4C7F FFFF
0x4C80 0000 - 0x4CFF FFFF
0x4D00 0000 - 0x4D7F FFFF
0x4D80 0000 - 0x4DFF FFFF
0x4E00 0000 - 0x4E7F FFFF
0x4E80 0000 - 0x4EFF FFFF
0x4F00 0000 - 0x4F7F FFFF
0x4F80 0000 - 0x4FFF FFFF
ACRONYM
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
REGISTER NAME
PCI Master Window 15
PCI Master Window 16
PCI Master Window 17
PCI Master Window 18
PCI Master Window 19
PCI Master Window 20
PCI Master Window 21
PCI Master Window 22
PCI Master Window 23
PCI Master Window 24
PCI Master Window 25
PCI Master Window 26
PCI Master Window 27
PCI Master Window 28
PCI Master Window 29
PCI Master Window 30
PCI Master Window 31
Texas Instruments (TI) has performed the simulation and system characterization to be sure that the PCI
peripheral meets all ac timing specifications as required by the
PCI Local Bus Specification
(version 2.3).
The ac timing specifications are not reproduced here. For more information on the ac timing specifications,
see Section 4.2.3, Timing Specification (33 MHz timing), and Section 7.6.4, Timing Specification (66 MHz
timing), of the
PCI Local Bus Specification
(version 2.3). Note that the DM647/DM648 PCI peripheral only
supports 3.3-V signaling.
The McASP functions as a general-purpose audio serial port optimized for the needs of multichannel
audio applications. The McASP is useful for time-division multiplexed (TDM) stream, Inter-Integrated
Sound (I2S) protocols, and intercomponent digital audio interface transmission (DIT).
The DM647/DM648 devices include one multichannel audio serial port (McASP) interface peripheral
(McASP). The McASP is a serial port optimized for the needs of multichannel audio applications.
The McASP consists of a transmit and receive section. These sections can operate completely
independently with different data formats, separate master clocks, bit clocks, and frame syncs or
alternatively, the transmit and receive sections may be synchronized. The McASP module also includes a
pool of 16 shift registers that may be configured to operate as either transmit data or receive data.
The transmit section of the McASP can transmit data in either a time-division-multiplexed (TDM)
synchronous serial format or in a digital audio interface (DIT) format where the bit stream is encoded for
S/PDIF, AES-3, IEC-60958, CP-430 transmission. The receive section of the McASP supports the TDM
synchronous serial format.
The McASP can support one transmit data format (either a TDM format or DIT format) and one receive
format at a time. All transmit shift registers use the same format and all receive shift registers use the
same format. However, the transmit and receive formats need not be the same.
Both the transmit and receive sections of the McASP also support burst mode which is useful for
non-audio data (for example, passing control information between two DSPs).
Peripheral Information and Electrical Specifications
136
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