ADSP-2173BST-80 Analog Devices Inc, ADSP-2173BST-80 Datasheet - Page 27

• Manufacturer Part Number: ADSP-2173BST-80
• Description: IC DSP CONTROLLER 16BIT 128TQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-2173BST-80

• Rohs Status: RoHS non-compliant
• Interface: Host Interface, Serial Port
• Clock Rate: 20MHz
• Non-volatile Memory: External
• On-chip Ram: 10kB
• Voltage - I/o: 3.30V
• Voltage - Core: 3.30V
• 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): 20MHz
• Mips: 20
• Device Input Clock Speed: 20MHz
• Ram Size: 10KB
• Program Memory Size: 24KB
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• 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

REV. A
ADSP-2171/ADSP-2172
Parameter
Host Interface Port
Multiplexed Data and Address (HMD1 = 1)
Read Strobe and Write Strobe (HMD0 = 0)
Timing Requirement:
t
t
t
t
t
t
t
Switching Characteristic:
t
t
t
t
t
t
NOTES
1
2
3
4
5
HALP
HASU
HAH
HALS
HDSU
HWDH
HRWP
HSHK
HKH
HDE
HDD
HRDH
HRDD
Start of Write = HWR Low and HSEL Low.
Start of Read = HRD Low and HSEL Low.
End of Write = HWR High or HSEL High.
Read Pulse Width = HRD Low and HSEL Low, Write Pulse Width = HWR Low and HSEL Low.
End of Read = HRD High or HSEL High.
Host Write Cycle
Host Read Cycle
ALE Pulse Width
HAD15–0 Address Setup, before ALE Low
HAD15–0 Address Hold after ALE Low
Start of Write or Read after ALE Low
HAD15–0 Data Setup before End of Write
HAD15–0 Data Hold after End of Write
Read or Write Pulse Width
HACK Low after Start of Write or Read
HACK Hold after End of Write or Read
HAD15–0 Data Enabled after Start of Read
HAD15–0 Data Valid after Start of Read
HAD15–0 Data Hold after End of Read
HAD15–0 Data Disabled after End of Read
HAD15–0
HD15–0
HACK
HSEL
HACK
HSEL
HRD
HWR
ALE
ALE
Figure 16. Host Interface Port (HMD1 = 1, HMD0 = 0)
t
t
t
HASU
t
HALP
HASU
HALP
ADDRESS
ADDRESS
4
t
t
HAH
HAH
t
HALS
t
HALS
1, 2
1, 2
3, 5
3
2
3
2
5
–27–
t
t
HSHK
HDE
t
t
HDD
t
HSHK
HRWP
t
ADSP-2171/ADSP-2172/ADSP-2173
HDSU
t
DATA
HRWP
Min
10
5
2
10
5
3
20
0
0
0
0
DATA
t
t
HRDH
HRDD
t
HKH
t
t
HKH
HWDH
Max
15
15
18
7
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns