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參數(shù)資料
| 型號： | ADSP-2196MBST-140X |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | DSP Microcomputer |
| 中文描述： | 16-BIT, 160 MHz, OTHER DSP, PQFP144 |
| 封裝： | METRIC, PLASTIC, LQFP-144 |
| 文件頁數(shù)： | 7/68頁 |
| 文件大?。?/td> | 897K |
| 代理商： | ADSP-2196MBST-140X |
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This information applies to a product under development. Its characteristics and specifications are subject to change with-
out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.
7
REV. PrA
For current information contact Analog Devices at 800/262-5643
ADSP-2196
September 2001
On-Chip Memory Security
The ADSP-2196 has a maskable option to protect the
contents of on-chip memories from being accessed. When
the ROM protection is set, the on-chip ROM space cannot
be accessed by a hardware emulator.
External (Off-Chip) Memory
Each of the ADSP-2196’s off-chip memory spaces has a
separate control register, so applications can configure
unique access parameters for each space. The access param-
eters include read and write wait counts, waitstate
completion mode, I/O clock divide ratio, write hold time
extension, strobe polarity, and data bus width. The core
clock and peripheral clock ratios influence the external
memory access strobe widths.
For more information, see
Clock Signals on page 14.
The off-chip memory spaces are:
External memory space (MS3–0 pins)
I/O memory space (IOMS pin)
Boot memory space (BMS pin)
All of these off-chip memory spaces are accessible through
the External Port, which can be configured for 8-bit or
16-bit data widths.
External Memory Space
External memory space consists of four memory banks.
These banks can contain a configurable number of 64K
word pages. At reset, the page boundaries for external
memory have Bank0 containing pages 1
63, Bank1 con-
taining pages 64
127, Bank2 containing pages 128
191,
and Bank3 containing Pages 192
254. The MS3–0
memory bank pins select Banks 3–0, respectively. The
external memory interface decodes the 8 MSBs of the DSP
program address to select one of the four banks. Both the
ADSP-219x core and DMA-capable peripherals can access
the DSP’s external memory space.
I/O Memory Space
The ADSP-2196 supports an additional external memory
called I/O memory space. This space is designed to support
simple connections to peripherals (such as data converters
and external registers) or to bus interface ASIC data regis-
ters. I/O space supports a total of 256K locations. The first
8K addresses are reserved for on-chip peripherals. The
upper 248K addresses are available for external peripheral
devices. The DSP’s instruction set provides instructions for
accessing I/O space. These instructions use an 18-bit
address that is assembled from an 8-bit I/O page (IOPG)
register and a 10-bit immediate value supplied in the
instruction. Both the ADSP-219x core and a Host (through
the Host Port Interface) can access I/O memory space.
Boot Memory Space
Boot memory space consists of one off-chip bank with 254
pages. The BMS memory bank pin selects boot memory
space. Both the ADSP-219x core and DMA-capable
Figure 2. ADSP-2196 Memory Map
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADSP-2196MKCA-160X | DSP Microcomputer |
| ADSP-2196MKST-160X | DSP Microcomputer |
| ADSP-21990 | 16-bit fixed point DSP with Flash |
| ADSP-21990BBC | 16-bit fixed point DSP with Flash |
| ADSP-21990BST | 16-bit fixed point DSP with Flash |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADSP-2196MBST-140Z | 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 140MHz 140MIPS 144-Pin LQFP |
| ADSP-2196MKST-160 | 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 160MHz 160MIPS 144-Pin LQFP 制造商:Analog Devices 功能描述:16-Bit DSP 160 MIPs 2.5V 40 Kbytes |
| ADSP-2196MKSTZ-160 | 功能描述:IC DSP CONTROLLER 16BIT 144-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號處理器） 系列:ADSP-21xx 標準包裝:40 系列:TMS320DM64x, DaVinci™ 類型:定點 接口:I²C，McASP，McBSP 時鐘速率: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-21990BBC | 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 150MHz 150MIPS 196-Pin Mini-BGA 制造商:Rochester Electronics LLC 功能描述:160 MIPS, MIXED SIGNAL DSPWITH 14-BIT - Bulk |
| ADSP-21990BST | 制造商:Rochester Electronics LLC 功能描述:160 MIPS,MIXED SIGNAL DSP WITH 14BIT - Tape and Reel |
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