ADSP-2111KG-66 Analog Devices, ADSP-2111KG-66 Datasheet - Page 42

• Manufacturer Part Number: ADSP-2111KG-66
• Description: ADSP-2100 Family DSP Microcomputers
• Manufacturer: Analog Devices

ADSP-21xx
TIMING PARAMETERS (ADSP-2111)
HOST INTERFACE PORT
Multiplexed Data & Address (HMD1 = 1)
Read/Write Strobe & Data Strobe (HMD0 = 1 )
Parameter
Timing Requirement:
t
t
t
t
t
t
t
t
t
Switching Characteristic:
t
t
t
t
t
t
NOTES
1
2
3
HALP
HASU
HAH
HALS
HSU
HDSU
HWDH
HH
HRWP
HSHK
HKH
HDE
HDD
HRDH
HRDD
Start of Write or Read = HDS Low and HSEL Low.
End of Write or Read = HDS High or HSEL High.
Read or Write Pulse Width = HDS Low and HSEL Low.
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
HRW Setup before Start of Write or Read
HAD15-0 Data Setup before End of Write
HAD15-0 Data Hold after End of Write
HRW 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
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
3
1
2
2
2
1
2
1
1
2
2
1
–42–
13.0 MHz
Min Max
15
5
2
15
8
5
3
3
30
0
0
0
0
20
20
23
10
16.67 MHz
Min Max
15
5
2
15
8
5
3
3
30
0
0
0
0
20
20
23
10
20 MHz
Min Max
15
5
2
15
8
5
3
3
30
0
0
0
0
20
20
23
10
No Frequency
Dependency
REV. B
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns