參數(shù)資料
型號(hào): TMP320C40
廠商: Texas Instruments, Inc.
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: DIGITAL SIGNAL PROCESSORS
中文描述: 數(shù)字信號(hào)處理器
文件頁(yè)數(shù): 49/62頁(yè)
文件大?。?/td> 1066K
代理商: TMP320C40
SGUS017H
OCTOBER 1993
REVISED OCTOBER 2001
49
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
timing parameters for IACK (see Note 10 and Figure 22)
NO.
320C40-40
320C40-50
320C40-60
UNIT
MIN
MAX
MIN
MAX
1
td(H1H-IACKL)
Delay time, H1 high to IACK low
9
7
ns
2
td(H1L-IACKH)
Delay time, H1 low to IACK high during first cycle of IACK instruction
data read
NOTE 10: The IACK output is active for the entire duration of the bus cycle and, therefore, is extended if the bus cycle utilizes wait states.
9
7
ns
H3
H1
IACK
ADDRESS
DATA
1
2
Fetch IACK
Instruction
IACK Data
Read
Decode IACK
Instruction
Execute IACK
Instruction
Figure 22. IACK Timing
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