參數(shù)資料
型號: ADSP-2188
廠商: Analog Devices, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述: 無電容,NMOS管,150mA的低壓差穩(wěn)壓器的反向電流保護(hù)
文件頁數(shù): 28/48頁
文件大?。?/td> 1571K
代理商: ADSP-2188
ADSP-218xN Series
–28–
REV. 0
Interrupts and Flags
Table 16. Interrupts and Flags
Parameter
Timing Requirements:
t
IFS
t
IFH
Switching Characteristics:
t
FOH
t
FOD
Min
Max
Unit
IRQx, FI, or PFx Setup before CLKOUT Low
1,
2,
3,
4
IRQx, FI, or PFx Hold after CLKOUT High
1,
2,
3,
4
0.25t
CK
+ 10
0.25t
CK
ns
ns
Flag Output Hold after CLKOUT Low
5
Flag Output Delay from CLKOUT Low
5
0.5t
CK
– 5
ns
ns
0.5t
CK
+ 4
1
If IRQx and FI inputs meet t
IFS
and t
IFH
setup/hold requirements, they will be recognized during the current clock cycle; otherwise the signals will be
recognized on the following cycle. (Refer to “Interrupt Controller Operation” in the
Program Control
chapter of the
ADSP-218x DSP Hardware Reference
for further information on interrupt servicing.)
2
Edge-sensitive interrupts require pulsewidths greater than 10 ns; level-sensitive interrupts must be held low until serviced.
3
IRQx
=
IRQ0
,
IRQ1
,
IRQ2
,
IRQL0
,
IRQL1
,
IRQLE
.
4
PFx = PF0, PF1, PF2, PF3, PF4, PF5, PF6, PF7.
5
Flag Outputs = PFx, FL0, FL1, FL2, FO.
Figure 25. Interrupts and Flags
t
FOD
t
FOH
t
IFH
t
IFS
CLKOUT
FLAG
OUTPUTS
IRQx
FI
PFx
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