ADSP-21992YST Analog Devices Inc, ADSP-21992YST Datasheet - Page 33

• Manufacturer Part Number: ADSP-21992YST
• Description: IC DSP CONTROLLER 16BIT 176LQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-21992YST

• Rohs Status: RoHS non-compliant
• Interface: SPI, SSP
• Clock Rate: 160MHz
• Non-volatile Memory: External
• On-chip Ram: 128kB
• Voltage - I/o: 3.30V
• Voltage - Core: 2.50V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 176-LQFP

Programmable Flags Cycle Timing
Table 18
Table 18. Programmable Flags Cycle Timing
Parameter
Timing Requirement
t
Switching Characteristics
t
t
HFI
DFO
HFO
and
(OUTPUT)
Figure 8
CLKOUT
(INPUT)
Flag Input Hold Is Asynchronous
Flag Output Delay with Respect to CLKOUT
Flag Output Hold After CLKOUT High
PF
PF
describe programmable flag operations.
Figure 8. Programmable Flags Cycle Timing
Rev. A | Page 33 of 60 | August 2007
t
DFO
FLAG INPUT
t
FLAG OUTPUT
HFI
t
HFO
Min
3
Max
6
7
ADSP-21992
Unit
ns
ns
ns