ADSP-2187LBSTZ-210 Analog Devices Inc, ADSP-2187LBSTZ-210 Datasheet - Page 35
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ADSP-2187LBSTZ-210
Manufacturer Part Number
ADSP-2187LBSTZ-210
Description
IC,DSP,16-BIT,CMOS,QFP,100PIN,PLASTIC
Manufacturer
Analog Devices Inc
Series
ADSP-21xxr
Type
Fixed Pointr
Datasheet
1.ADSP-2184LBSTZ-160.pdf
(48 pages)
Specifications of ADSP-2187LBSTZ-210
Interface
Host Interface, Serial Port
Clock Rate
52MHz
Non-volatile Memory
External
On-chip Ram
160kB
Voltage - I/o
3.30V
Voltage - Core
3.30V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ADSP-2187LBSTZ210
ADSP-2187LBSTZ210
ADSP-2187LBSTZ210
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADSP-2187LBSTZ-210
Manufacturer:
ANALOG
Quantity:
45
Company:
Part Number:
ADSP-2187LBSTZ-210
Manufacturer:
Analog Devices Inc
Quantity:
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Part Number:
ADSP-2187LBSTZ-210
Manufacturer:
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IDMA Read, Short Read Cycle in Short Read Only Mode
Table 25. IDMA Read, Short Read Cycle in Short Read Only Mode
1
2
3
4
Parameter
Timing Requirements:
t
t
Switching Characteristics:
t
t
t
t
t
Applies to the ADSP-2187L only.
Short Read Only is enabled by setting Bit 14 of the IDMA overlay Register to 1 (0x3FE7). Short Read Only can be enabled by the processor core writing to the register or by
Start of Read = IS Low and IRD Low. Previous data remains until end of read.
End of Read = IS High or IRD High.
IKR
IRP
IKHR
IKDH
IKDD
IRDE
IRDV
an external host writing to the register. Disabled by default.
2
IACK Low Before Start of Read
Duration of Read
IACK High After Start of Read
IAD15–0 Previous Data Hold After End of Read
IAD15–0 Previous Data Disabled After End of Read
IAD15–0 Previous Data Enabled After Start of Read
IAD15–0 Previous Data Valid After Start of Read
4
IA D 15–0
Figure 27. IDMA Read, Short Read Cycle in Short Read Only Mode
L EG EN D :
IA CK
IRD
IM PL IES TH A T IS A N D IR D C A N B E
HE LD IN D E FIN ITE LY B Y H O S T
IS
3
3
t
ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L
Rev. C | Page 35 of 48 | January 2008
IK R
t
IR D E
t
IK H R
t
IR D V
4
4
t
IR P
1
PR E V IO U S
D A TA
t
IK D D
Min
0
10
0
0
t
IK D H
Max
10
10
10
Unit
ns
ns
ns
ns
ns
ns
ns