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參數資料
型號: ADSP-2196
廠商: Analog Devices, Inc.
元件分類: 數字信號處理
英文描述: DSP Microcomputer
中文描述: DSP微機
文件頁數: 36/68頁
文件大小: 897K
代理商: ADSP-2196
For current information contact Analog Devices at 800/262-5643
ADSP-2196
September 2001
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.
36
REV. PrA
Host Port ACC Mode Write Cycle Timing
Table 15
and
Figure 18
describe host port write operations in Address Cycle Control (ACC) mode. For more information
on ACK, Ready, ALE, and ACC mode selection, see the Host port modes description
on page 10
.
Table 15. Host Port ACC Mode Write Cycle Timing
Parameter
Description
Min
Max
Unit
Switching Characteristics
t
WHKS
HWR asserted to HACK asserted (setup, ACK Mode)
0.6
0.6+t
NH
1
1
t
NH
are peripheral bus latencies (n
the same time.
t
HCLK
); these are internal DSP latencies related to the number of peripherals attempting to access DSP memory at
ns
t
WHKH
HWR de-asserted to HACK de-asserted (hold, ACK Mode)
2
ns
t
WHS
HWR asserted to HACK asserted (setup, Ready Mode)
0.6
ns
t
WHH
HWR asserted to HACK de-asserted (hold, Ready Mode)
2+t
NH
1
ns
Timing Requirements
t
WAL
HWR asserted to HALE de-asserted (delay)
1.5
ns
t
CSAL
HCMS or HCIOMS asserted to HALE asserted (delay)
0
ns
t
ALCS
HALE de-asserted to optional HCMS or HCIOMS
de-asserted
1
ns
t
WCSW
HWR de-asserted to HCMS or HCIOMS de-asserted
1
ns
t
ALW
HALE asserted to HWR asserted
0.5
ns
t
CSW
HCMS or HCIOMS asserted to HWR asserted
1
2
ns
t
WCS
HWR de-asserted (after last byte) to HCMS or
HCIOMS de-asserted (ready for next write)
1
ns
t
ALEW
HALE de-asserted to HWR asserted
1
ns
t
HKWD
HACK asserted to HWR de-asserted (hold, ACK Mode)
1.5
ns
t
ADW
Address valid to HWR asserted (setup)
4
ns
t
WAD
HWR de-asserted to address invalid (hold)
1
ns
t
DWS
Data valid to HWR de-asserted (setup)
4
ns
t
WDH
HWR de-asserted to data invalid (hold)
1
ns
相關PDF資料
PDF描述
ADSP-2196MBCA-140X DSP Microcomputer
ADSP-2196MBST-140X DSP Microcomputer
ADSP-2196MKCA-160X DSP Microcomputer
ADSP-2196MKST-160X DSP Microcomputer
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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,FCBGA 供應商設備封裝: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
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