参数资料
型号: ADSP-2171BSTZ-133
厂商: Analog Devices Inc
文件页数: 19/52页
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 128TQFP
产品变化通告: Product Discontinuance 27/Oct/2011
Mold Change 11/Jul/2012
标准包装: 1
系列: ADSP-21xx
类型: 定点
接口: 主机接口,串行端口
时钟速率: 33MHz
非易失内存: 外部
芯片上RAM: 10kB
电压 - 输入/输出: 5.00V
电压 - 核心: 5.00V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-TQFP(14x20)
包装: 托盘
REV. A
–26–
ADSP-2171/ADSP-2172/ADSP-2173
ADSP-2171/ADSP-2172
Parameter
Min
Max
Unit
Host Interface Port
Separate Data and Address (HMD1 = 0)
Read Strobe and Write Strobe (HMD0 = 1)
Timing Requirement:
tHSU
HA2–0, HRW Setup before Start of Write or Read
1
5ns
tHDSU
Data Setup before End of Write
2
5ns
tHWDH
Data Hold after End of Write
2
3ns
tHH
HA2–0, HRW Hold after End of Write or Read
2
3ns
tHRWP
Read or Write Pulse Width
3
20
ns
Switching Characteristic:
tHSHK
HACK
Low after Start of Write or Read
1
015
ns
tHKH
HACK
Hold after End of Write or Read
2
015
ns
tHDE
Data Enabled after Start of Read
1
0ns
tHDD
Data Valid after Start of Read
1
18
ns
tHRDH
Data Hold after End of Read
2
0ns
tHRDD
Data Disabled after End of Read
2
7ns
NOTES
1Start of Write or Read = HDS Low and HSEL Low.
2End of Write or Read = HDS High and HSEL High.
3Read or Write Pulse Width = HDS Low and HSEL Low.
DATA
HD15–0
HSEL
HRW
HACK
HA2–0
ADDRESS
t
HSU
t
HH
t
HWDH
t
HRWP
t
HSHK
t
HKH
t
HDSU
HDS
DATA
HD15–0
HSEL
HDS
HACK
HA2–0
ADDRESS
t
HSU
t
HH
t
HRWP
t
HRDH
t
HKH
t
HSHK
t
HDE
t
HDD
HRW
t
HRDD
Figure 15. Host Interface Port (HMD1 = 0, HMD0 = 1)
Host Write Cycle
Host Read Cycle
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