參數(shù)資料
型號(hào)： TMP320C40
廠(chǎng)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)： 48/62頁(yè)
文件大?。?/td> 1066K
代理商： TMP320C40
SGUS017H
–
OCTOBER 1993
–
REVISED OCTOBER 2001
48
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
–
1443
timing parameters for IIOF3
–
IIOF0 interrupt response [P = t
c(H)
] (see Figure 21, Note 7, and
Note 8)
NO.
’
320C40-40
’
320C40-50
’
320C40-60
UNIT
MIN
11
TYP
MAX
MIN
11*
TYP
MAX
1
tsu(IIOF-H1L)
Setup time, IIOF3
–
IIOF0 before H1 low
ns
2
tw(IIOF)
Interrupt pulse duration to ensure one interrupt seen
(see Note 9)
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
NOTES:
7. IIOFx is an asynchronous input and can be asserted at any point during a clock cycle. If the specified timings are met, the exact
sequence shown occurs; otherwise, an additional delay of one clock cycle can occur.
8. Edge-triggered interrupts require a setup of time (1) and a minimum duration of P. No maximum duration limit exists.
9. Level-triggered interrupts require interrupt pulse duration of at least 1P wide (P = one H1 period) to ensure that the interrupt is seen.
It must be less than 2P wide to ensure that it is responded to only once. Recommended pulse duration is 1.5P.
P
1.5P
< 2P*
P
1.5P
< 2P*
ns
Reset or
Interrupt
Vector Read
Fetch First
Instruction of
Service
Routine
H3
H1
IIOF3
–
IIOF0
Pins
IIOF3
–
IIOF0
Flag
ADDRESS
Data
Vector
Address
First
Instruction
Address
1 (See Note A)
2
NOTE A: The
’
C40 can accept an interrupt from the same source every two H1 clock cycles.
Figure 21. IIOF3
–
IIOF0 Interrupt Response Timing [P=t
c(H)
]
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