ds96-039wdsp ETC-unknow, ds96-039wdsp Datasheet - Page 93

• Manufacturer Part Number: ds96-039wdsp
• Description: Clarification Serial Control Register Description Dsp1620/27/28/29 Devices
• Manufacturer: ETC-unknow

DSP1628 Digital Signal Processor
10 Timing Characteristics for 2.7 V Operation
10.5 Interrupt
* CKO is free-running.
† IACK assertion is guaranteed to be enclosed by VEC[3:0] assertion.
Table 73. Timing Requirements for Interrupt
Note: Interrupt is asserted during an interruptible instruction and no other pending interrupts.
Table 74. Timing Characteristics for Interrupt
Note: Interrupt is asserted during an interruptible instruction and no other pending interrupts.
91
VEC[3:0]
INT[1:0]
Abbreviated Reference
Abbreviated Reference
IACK †
CKO*
V
V
V
V
V
V
V
V
OH
OH
OH
OL
OL
OL
IH
IL
t21
t22
t23
t24
t25
t26
t22
t21
Interrupt Setup (high to low)
INT Assertion Time (high to low)
IACK Assertion Time (low to high)
VEC Assertion Time (low to high)
IACK Invalid Time (low to low)
VEC Invalid Time (low to low)
Figure 15. Interrupt Timing Diagram
Parameter
Parameter
t24
t23
(continued)
Min
19
2T
Min
—
—
—
—
T/2 + 10
Max
Max
12.5
12.5
—
—
10
Lucent Technologies Inc.
Unit
Unit
ns
ns
ns
ns
ns
ns
February 1997
t26
t25
5-4018 (C).