ADSP-2181BST-133 Analog Devices Inc, ADSP-2181BST-133 Datasheet - Page 23

• Manufacturer Part Number: ADSP-2181BST-133
• Description: IC DSP CONTROLLER 16BIT 128TQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-2181BST-133

• Rohs Status: RoHS non-compliant
• Interface: Synchronous Serial Port (SSP)
• Clock Rate: 33.3MHz
• Non-volatile Memory: External
• On-chip Ram: 80kB
• Voltage - I/o: 5.00V
• Voltage - Core: 5.00V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Device Core Size: 16b
• Architecture: Enhanced Harvard
• Format: Fixed Point
• Clock Freq (max): 33.3MHz
• Mips: 33.3
• Device Input Clock Speed: 33.3MHz
• Ram Size: 80KB
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 128
• Package Type: TQFP
• Lead Free Status / RoHS Status: Not Compliant

Parameter
IDMA Read, Long Read Cycle
Timing Requirements:
t
t
Switching Characteristics:
t
t
t
t
t
t
t
t
NOTES
1
2
3
4
REV. D
Start of Read = IS Low and IRD Low.
End of Read = IS High or IRD High.
DM read or first half of PM read.
Second half of PM read.
IKR
IRP
IKHR
IKDS
IKDH
IKDD
IRDE
IRDV
IRDH1
IRDH2
IACK Low before Start of Read
Duration of Read
IACK High after Start of Read
IAD15–0 Data Setup before IACK Low
IAD15–0 Data Hold after End of Read
IAD15–0 Data Disabled after End of Read
IAD15–0 Previous Data Enabled after Start of Read
IAD15–0 Previous Data Valid after Start of Read
IAD15–0 Previous Data Hold after Start of Read (DM/PM1)
IAD15–0 Previous Data Hold after Start of Read (PM2)
IAD15–0
IACK
IRD
IS
Figure 17. IDMA Read, Long Read Cycle
t
IRDE
1
t
IKR
1
t
IRDV
2
t
2
IKHR
PREVIOUS
t
IRDH
–23–
DATA
t
IRP
4
t
IKDS
3
READ
DATA
Min
0
15
0.5t
0
0
2t
t
CK
CK
t
– 5
IKDD
CK
– 5
– 10
t
IKDH
Max
15
12
15
ADSP-2181
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns