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| 型號(hào)： | ADSP-21992 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Mixed Signal DSP Controller With CAN |
| 中文描述： | 混合信號(hào)DSP控制器和CAN |
| 文件頁數(shù)： | 18/49頁 |
| 文件大?。?/td> | 602K |
| 代理商： | ADSP-21992 |
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For current information contact Analog Devices at (781) 937-1799
ADSP-21992
August 2002
This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Analog
Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.
18
REV. PrA
PRELIMINARY TECHNICAL DATA
terminated with an optional 91/120
EMU is pulled up with a 4.7K resistor. The 74LVT244
chip drives the signals at 3.3V, with a maximum current
rating of ±32mA.
parallel terminator.
You can parallel terminate the TMS, TCK, TRST, and TDI
lines locally on your target board, if needed, since they are
driven by the pod with sufficient current drive (±32mA). In
order to use the terminators on the TDO line (CLKIN is
not used), you MUST have a buffer on your target board
JTAG header. The DSP is not capable of driving the parallel
terminator load directly with TDO. Assuming you have the
proper buffers, you may use the optional parallel termina-
tors simply by placing a jumper on J2.
White Mountain DSP 2.5V Pod Logic
This section applies to Mountain ICE, Summit-ICE,
Trek-ICE, Mountain-ICE/WS.
A portion of the White Mountain DSP 2.5V emulator pod
interface is shown in
Figure 13
. This figure describes the
driver circuitry of the emulator pod. As can be seen, TMS,
TCK, and TDI are driven with a 33
is driven with a 100
series resistor. TDO is pulled up with
a 4.7K resistor and terminated with an optional parallel
terminator that can be configured by the user. EMU is
pulled up with a 4.7K resistor.
The CLKIN signal is not used and not connected inside the
pod. The 74ALVT16244 chip drives the signals at 2.5V,
with a maximum current rating of ±8mA.
series resistor. TRST
You can terminate the TMS, TCK, TRST, and TDI lines
locally on your target board, if needed, as long as the termi-
nator’s current use does not exceed the driver’s maximum
current supply (±8mA). In order to use the terminator on
the TDO line, you MUST have a buffer on your target board
JTAG header. The DSP is not capable of driving a parallel
terminator load (typically 50-75 ) directly with TDO.
Assuming you have the proper buffers, you may use the
optional parallel terminator by adding the appropriate
resistors and placing a jumper on J2.
Additional Information
This data sheet provides a general overview of the
ADSP-21992 architecture and functionality. For detailed
information on the ADSP-21992 embedded DSP core
Figure 10. JTAG Pod Connector Dimensions
Figure 11. JTAG Pod Connector Keep-Out Area
Figure 12. 3.3V JTAG Pod Driver Logic
Figure 13. 2.5V JTAG Pod Driver Logic
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相關(guān)代理商/技術(shù)參數(shù) |
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| ADSP-21992BBC | 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 150MHz 150MIPS 196-Pin CSP-BGA 制造商:Rochester Electronics LLC 功能描述:MIXED SIGNAL DSP W/32K DM RAM& 16K PMRAM - Bulk |
| ADSP-21992BST | 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 160MHz 160MIPS 176-Pin LQFP 制造商:Analog Devices 功能描述:IC MICROCOMPUTER 16-BIT |
| ADSP-21992BSTZ | 功能描述:IC DSP CONTROLLER 16BIT 176LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號(hào)處理器） 系列:ADSP-21xx 標(biāo)準(zhǔn)包裝:40 系列:TMS320DM64x, DaVinci™ 類型:定點(diǎn) 接口:I²C，McASP，McBSP 時(shí)鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:160kB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:0°C ~ 90°C 安裝類型:表面貼裝 封裝/外殼:548-BBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:548-FCBGA（27x27） 包裝:托盤 配用:TMDSDMK642-0E-ND - DEVELPER KIT W/NTSC CAMERA296-23038-ND - DSP STARTER KIT FOR TMS320C6416296-23059-ND - FLASHBURN PORTING KIT296-23058-ND - EVAL MODULE FOR DM642TMDSDMK642-ND - DEVELOPER KIT W/NTSC CAMERA |
| ADSP-21992YBC | 功能描述:IC DSP CTLR 16BIT 196CSPBGA RoHS:否 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號(hào)處理器） 系列:ADSP-21xx 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(shí)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 |
| ADSP-21992YST | 制造商:Analog Devices 功能描述: |
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