参数资料
型号: ADSP-21160NCB-100
厂商: ANALOG DEVICES INC
元件分类: 数字信号处理
英文描述: 64-BIT, 50 MHz, OTHER DSP, PBGA400
封装: 27 X 27 MM, METRIC, PLASTIC, MS-034BAL-2, BGA-400
文件页数: 26/60页
文件大小: 1296K
代理商: ADSP-21160NCB-100
Rev. B
|
Page 32 of 60
|
February 2010
ADSP-21160M/ADSP-21160N
Synchronous Read/Write—Bus Slave
See Table 21 and Figure 18. Use these specifications for
ADSP-21160x bus master accesses of a slave’s IOP registers or
internal memory (in multiprocessor memory space). The bus
master must meet these (bus slave) timing requirements.
Table 21. Synchronous Read/Write—Bus Slave
Parameter
Min
Max
Unit
Timing Requirements
tSADDI
Address, BRST Setup Before CLKIN
5
ns
tHADDI
Address, BRST Hold After CLKIN
1
ns
tSRWI
RDx/WRx Setup Before CLKIN
5
ns
tHRWI
RDx/WRx Hold After CLKIN
1
ns
tSSDATI
Data Setup Before CLKIN
5.5
ns
tHSDATI
Data Hold After CLKIN
1
ns
Switching Characteristics
tDDATO
Data Delay After CLKIN
1
0.25 tCCLK + 9
ns
tHDATO
Data Hold After CLKIN
1.5
ns
tDACKC
ACK Delay After CLKIN
10
ns
tHACKO
ACK Hold After CLKIN
1.5
ns
1 For ADSP-21160M, specification is 12.5 ns, maximum.
Figure 18. Synchronous Read/Write—Bus Slave
CLKIN
ADDRESS
ACK
DATA
(OUT)
WRITE ACCESS
DATA
(IN)
READ ACCESS
tSADDI
tHADDI
tDACKC
tHACKO
tHRWI
tSRWI
tDDATO
tHDATO
tSRWI
tHRWI
tHSDATI
tSSDATI
WRx
RDx
BRST
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