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參數(shù)資料
| 型號： | TMS32C6414CZLZA6E3 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | FIXED-POINT DIGITAL SIGNAL PROCESSORS |
| 中文描述： | 定點數(shù)字信號處理器 |
| 文件頁數(shù)： | 74/141頁 |
| 文件大?。?/td> | 2234K |
| 代理商： | TMS32C6414CZLZA6E3 |
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TMS320C6414, TMS320C6415, TMS320C6416
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SPRS146N
FEBRUARY 2001
REVISED MAY 2005
74
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
IEEE 1149.1 JTAG compatibility statement
The TMS320C6414/15/16 DSP requires that both TRST and RESET be asserted upon power up to be properly
initialized. While RESET initializes the DSP core, TRST initializes the DSP’s emulation logic. Both resets are
required for proper operation.
Note: TRST is synchronous and
must
be clocked by TCLK; otherwise, BSCAN may not respond as expected
after TRST is asserted.
While both TRST and RESET need to be asserted upon power up, only RESET needs to be released for the
DSP to boot properly. TRST may be asserted indefinitely for normal operation, keeping the JTAG port interface
and DSP’s emulation logic in the reset state. TRST only needs to be released when it is necessary to use a JTAG
controller to debug the DSP or exercise the DSP’s boundary scan functionality. RESET must be released in
order for boundary-scan JTAG to read the variant field of IDCODE correctly. Other boundary-scan instructions
work correctly independent of current state of RESET.
For maximum reliability, the TMS320C6414/15/16 DSP includes an internal pulldown (IPD) on the TRST pin
to ensure that TRST will always be asserted upon power up and the DSP’s internal emulation logic will always
be properly initialized. JTAG controllers from Texas Instruments actively drive TRST high. However, some
third-party JTAG controllers may not drive TRST high but expect the use of a pullup resistor on TRST. When
using this type of JTAG controller, assert TRST to intialize the DSP after powerup and externally drive TRST
high before attempting any emulation or boundary scan operations.
Following the release of RESET, the low-to-high transition of TRST must occur to latch the state of EMU1 and
EMU0. The EMU[1:0] pins configure the device for either Boundary Scan mode or Normal/Emulation mode. For
more detailed information, see the terminal functions section of this data sheet.
Note: The DESIGN_WARNING section of the TMS320C6414/15/16 BSDL file contains information and
constraints regarding proper device operation while in Boundary Scan Mode.
EMIF device speed
The rated EMIF speed, referring to both EMIFA and EMIFB, of these devices only applies to the SDRAM
interface when in a system that meets the following requirements:
1 chip-enable (CE) space (maximum of 2 chips) of SDRAM connected to EMIF
up to 1 CE space of buffers connected to EMIF
EMIF trace lengths between 1 and 3 inches
166-MHz SDRAM for 133-MHz operation (applies only to EMIFA)
143-MHz SDRAM for 100-MHz operation
Other configurations may be possible, but timing analysis must be done to verify all AC timings are met.
Verification of AC timings is mandatory when using configurations other than those specified above. TI
recommends utilizing I/O buffer information specification (IBIS) to analyze all AC timings.
To properly use IBIS models to attain accurate timing analysis for a given system, see the
Using IBIS Models
for Timing Analysis
application report (literature number SPRA839).
To maintain signal integrity, serial termination resistors should be inserted into all EMIF output signal lines (see
the Terminal Functions table for the EMIF output signals).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMS32C6414DGLZ5E0 | 功能描述:IC DSP FIXED-POINT 532-BGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號處理器） 系列:TMS320C6414T/15T/16T 標(biāo)準(zhǔn)包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI，以太網(wǎng)，RS-232 時鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:1.436MB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:431-BFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:431-FCPBGA（20x20） 包裝:托盤 |
| TMS32C6414DGLZ7E3 | 功能描述:IC FIXED-POINT DSP 532-FCBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號處理器） 系列:TMS320C6414T/15T/16T 標(biāo)準(zhǔn)包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI，以太網(wǎng)，RS-232 時鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:1.436MB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:431-BFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:431-FCPBGA（20x20） 包裝:托盤 |
| TMS32C6414DGLZA5E0 | 制造商:Rochester Electronics LLC 功能描述:LAPLACE EXTENDED TEMP (-40C TO 105C) - Bulk |
| TMS32C6414DGLZA6E3 | 制造商:Rochester Electronics LLC 功能描述:LAPLACE REV 1.1, EXTENDED TEMP, 600 MHZ - Bulk |
| TMS32C6414DGLZW5E0 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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