ADSP-2181KST-115 Analog Devices Inc, ADSP-2181KST-115 Datasheet - Page 21

• Manufacturer Part Number: ADSP-2181KST-115
• Description: IC DSP CONTROLLER 16BIT 128TQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-2181KST-115

• Rohs Status: RoHS non-compliant
• Interface: Synchronous Serial Port (SSP)
• Clock Rate: 28.8MHz
• Non-volatile Memory: External
• On-chip Ram: 80kB
• Voltage - I/o: 5.00V
• Voltage - Core: 5.00V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP

Parameter
IDMA Write, Short Write Cycle
Timing Requirements:
t
t
t
t
Switching Characteristic:
t
NOTES
1
2
3
4
REV. D
Start of Write = IS Low and IWR Low.
End of Write = IS High or IWR High.
If Write Pulse ends before IACK Low, use specifications t
If Write Pulse ends after IACK Low, use specifications t
IKW
IWP
IDSU
IDH
IKHW
IACK Low before Start of Write
Duration of Write
IAD15–0 Data Setup before End of Write
IAD15–0 Data Hold after End of Write
Start of Write to IACK High
IAD15–0
IACK
IWR
1, 2
IS
Figure 15. IDMA Write, Short Write Cycle
IKSU
IDSU
, t
t
, t
IKW
1
IKH
IDH
.
.
2, 3, 4
2, 3, 4
t
IWP
t
IKHW
t
IDSU
–21–
DATA
t
IDH
Min
0
15
5
2
Max
15
ADSP-2181
Unit
ns
ns
ns
ns
ns