ADSP-2185LKST-133 Analog Devices Inc, ADSP-2185LKST-133 Datasheet - Page 30

• Manufacturer Part Number: ADSP-2185LKST-133
• Description: IC DSP CONTROLLER 16BIT 100LQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-2185LKST-133

• Rohs Status: RoHS non-compliant
• Interface: Host Interface, Serial Port
• Clock Rate: 33.3MHz
• Non-volatile Memory: External
• On-chip Ram: 80kB
• Voltage - I/o: 3.30V
• Voltage - Core: 3.30V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP

ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L
IDMA Address Latch
Table 20. IDMA Address Latch
1
2
3
4
Parameter
Timing Requirements:
t
t
t
t
t
t
Start of Address Latch = IS Low and IAL High.
End of Address Latch = IS High or IAL Low.
For the ADSP-2187L, this specification is 2 ns min.
Start of Write or Read = IS Low and IWR Low or IRD Low.
IALP
IASU
IAH
IKA
IALS
IALD
Duration of Address Latch
IAD15–0 Address Setup Before Address Latch End
IAD15–0 Address Hold After Address Latch End
IACK Low Before Start of Address Latch
Start of Write or Read After Address Latch End
Address Latch Start After Address Latch End
IRD OR IWR
IAD15–0
IACK
IAL
IS
1, 2
t
IKA
Rev. C | Page 30 of 48 | January 2008
Figure 22. IDMA Address Latch
t
IALP
2, 4
t
IASU
1, 2
2, 4
2, 3
t
IAH
2
t
IALD
t
IALP
t
IASU
Min
10
5
3
0
3
2
t
IAH
t
IALS
Max
Unit
ns
ns
ns
ns
ns
ns