参数资料
型号: ADSP-2171BSTZ-133
厂商: Analog Devices Inc
文件页数: 37/52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
–42–
ADSP-2171/ADSP-2172/ADSP-2173
ADSP-2173
Parameter
Min
Max
Unit
Host Interface Port
Multiplexed Data and Address (HMD1 = 1)
Read Strobe and Write Strobe (HMD0 = 1)
Timing Requirement:
tHALP
ALE Pulse Width
15
ns
tHASU
HAD15–0 Address Setup before ALE Low
5
ns
tHAH
HAD15–0 Address Hold after ALE Low
2
ns
tHALS
Start of Write or Read after ALE Low
1
15
ns
tHSU
HRW Setup before Start of Write or Read
1
8ns
tHDSU
HAD15–0 Data Setup before End of Write
2
8ns
tHWDH
HAD15–0 Data Hold after End of Write
2
3ns
tHH
HRW Hold after End of Write or Read
2
3ns
tHRWP
Read or Write Pulse Width
3
30
ns
Switching Characteristic:
tHSHK
HACK
Low after Start of Write or Read
1
020
ns
tHKH
HACK
Hold after End of Write or Read
2
020
ns
tHDE
HAD15–0 Data Enabled after Start of Read
1
0ns
tHDD
HAD15–0 Data Valid after Start of Read
1
23
ns
tHRDH
HAD15–0 Data Hold after End of Read
2
0ns
tHRDD
HAD15–0 Data Disabled after End of Read
2
15
ns
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.
ADDRESS
t
HDSU
DATA
HACK
HRW
HSEL
HD15–0
t
HRWP
t
HSHK
ALE
t
HALP
t
HALS
t
HKH
t
HAH
t
HASU
t
HWDH
HDS
t
HH
t
HSU
ADDRESS
DATA
HACK
HRW
HSEL
HD15–0
t
HRWP
t
HSHK
ALE
t
HALP
t
HALS
t
HKH
t
HAH
t
HASU
t
HRDH
HDS
t
HH
t
HSU
t
HDE
t
HDD
t
HRDD
Figure 33. Host Interface Port (HMD1 = 1, HMD0 = 1)
Host Write Cycle
Host Read Cycle
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