ADSP-2173BST-80 Analog Devices Inc, ADSP-2173BST-80 Datasheet - Page 39

• 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-2173
Parameter
Host Interface Port
Separate Data and Address (HMD1 = 0)
Read Strobe and Write Strobe (HMD0 = 0)
Timing Requirement:
t
t
t
t
t
Switching Characteristic:
t
t
t
t
t
t
NOTES
1
2
3
4
5
HSU
HDSU
HWDH
HH
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.
End of Read = HRD High or HSEL High.
Read Pulse Width = HRD Low and HSEL Low, Write Pulse Width = HWR Low and HSEL Low.
Host Write Cycle
Host Read Cycle
HA2–0 Setup before Start of Write or Read
Data Setup before End of Write
Data Hold after End of Write
HA2–0 Hold after End of Write or Read
Read or Write Pulse Width
HACK Low after Start of Write or Read
HACK Hold after End of Write or Read
Data Enabled after Start of Read
Data Valid after Start of Read
Data Hold after End of Read
Data Disabled after End of Read
HD15–0
HA2–0
HD15–0
HACK
HSEL
HA2–0
HWR
HACK
HSEL
HRD
Figure 30. Host Interface Port (HMD1 = 0, HMD0 = 0)
t
t
t
HDD
t
HDE
HSU
5
HSU
4
3
2
t
HSHK
3
2
4
t
HSHK
t
ADDRESS
HRWP
ADDRESS
3, 4
1, 2
3, 4
t
HRWP
1, 2
t
HDSU
–39–
DATA
DATA
t
t
HRDH
HRDD
ADSP-2171/ADSP-2172/ADSP-2173
t
t
HKH
HH
t
HKH
t
HH
Min
8
8
3
3
30
0
0
0
0
t
HWDH
Max
20
20
23
15
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns