參數(shù)資料
型號： ADSP-2189NBSTZ-320
廠商： ANALOG DEVICES INC
元件分類： 數(shù)字信號處理
英文描述： 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: 100 ld LQFP; No of Pins: 100; Temperature Range: Ind
中文描述： 24-BIT, 40 MHz, OTHER DSP, PQFP100
封裝： LEAD FREE, MS-026BED, LQFP-100
文件頁數(shù)： 32/48頁
文件大?。?/td> 2334K
代理商： ADSP-2189NBSTZ-320
Rev. A
|
Page 38 of 48
|
August 2006
ADSP-218xN
IDMA Read, Short Read Cycle
Table 25. IDMA Read, Short Read Cycle
Parameter
1, 2
Min
Max
Unit
Timing Requirements:
tIKR
IACK Low Before Start of Read3
0ns
tIRP1
Duration of Read (DM/PM1)4
10
2tCK – 5
ns
tIRP2
Duration of Read (PM2)5
10
tCK – 5
ns
Switching Characteristics:
tIKHR
IACK High After Start of Read
10
ns
tIKDH
IAD15 – 0 Data Hold After End of Read
6
0ns
tIKDD
IAD15 – 0 Data Disabled After End of Read6
10
ns
tIRDE
IAD15 – 0 Previous Data Enabled After Start of Read
0
ns
tIRDV
IAD15 – 0 Previous Data Valid After Start of Read
10
ns
1 Short Read Only must be disabled in the IDMA overlay memory mapped register. This mode is disabled by clearing (=0) Bit 14 of the IDMA overlay register, and is
disabled by default upon reset.
2 Consider using the Short Read Only mode, instead, because Short Read mode is not applicable at high clock frequencies.
3 Start of Read = IS Low and IRD Low.
4 DM Read or first half of PM Read.
5 Second half of PM Read.
6 End of Read = IS High or IRD High.
Figure 36. IDMA Read, Short Read Cycle
tIRP
tIKR
PREVIOUS
DATA
tIKHR
tIRDV
tIKDD
tIRDE
tIKDH
IAD15–0
IACK
IS
IRD
相關(guān)PDF資料
PDF描述
ADSP-2189NKCAZ-320 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: CHIP SCALE BGA; No of Pins: 144; Temperature Range: Comm.
ADSP-2189NKSTZ-320 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: 100 ld LQFP; No of Pins: 100; Temperature Range: Comm.
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ADSP-2189NBSTZ-3202 制造商:AD 制造商全稱:Analog Devices 功能描述:DSP Microcomputer
ADSP-2189NKCA-320 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 80MHz 80MIPS 144-Pin CSP-BGA 制造商:Rochester Electronics LLC 功能描述:32K PM/48K DM RAM,16-BIT,80 MIPS, 1.8V - Bulk
ADSP-2189NKCAZ-320 功能描述:IC DSP 16BIT 80MHZ 144CSPBGA 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(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-2189NKCAZ-3202 制造商:AD 制造商全稱:Analog Devices 功能描述:DSP Microcomputer
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