ADSP-2111KG-66 Analog Devices, ADSP-2111KG-66 Datasheet - Page 40

• 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 Strobe & Write Strobe (HMD0 = 0)
Parameter
Timing Requirement:
t
t
t
t
t
t
t
Switching Characteristic:
t
t
t
t
t
t
NOTES
1
2
3
4
5
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.
HALP
HASU
HAH
HALS
HDSU
HWDH
HRWP
HSHK
HKH
HDE
HDD
HRDH
HRDD
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
5
1, 2
4
3
1, 2
3, 4
2
3
4
2
–40–
13.0 MHz
Min Max
15
5
2
15
8
3
30
0
0
0
0
20
20
23
10
16.67 MHz
Min Max
15
5
2
15
8
3
30
0
0
0
0
20
20
23
10
20 MHz
Min Max
15
5
2
15
8
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