tsc21020f ATMEL Corporation, tsc21020f Datasheet - Page 32

• Manufacturer Part Number: tsc21020f
• Description: Rad. Hard 32/40-bit Ieee Floating Point Dsp
• Manufacturer: ATMEL Corporation

Interrupts
Timer
32
TSC21020F
Figure 4. Reset
Figure 5. Interrupts
Figure 6. TIMEXP
Parameter
t
t
t
Note:
Parameter
t
Note:
SIR
HIR
IPW
DTEX
IRQ3-0 Setup before CLKIN High
IRQ3-0 Hold after CLKIN High
IRQ3-0 Pulse Width
CLKIN High to TIMEXP
1. DT = t
1. DT = t
Meeting setup and hold guarantees interrupts will be latched in that cycle. Meeting
the pulse width is not necessary if the setup and hold is met. Likewise, meeting the
setup and hold is not necessary if the pulse width is met. See the Hardware Config-
uration chapter of the ADSP-21020 User's Manual from Analog Devices for interrupt
servicing information.
CK
CK
- 50 ns
- 50 ns
20 MHz
20 MHz
Max
24
Min
38
55
0
Min
Dependency
Dependency
Frequency
Frequency
38 + 3DT/4
t
CK
+ 5
Max
(1)
(1)
4153H–AERO–04/07
Unit
Unit
ns
ns
ns
ns