ADZS-BF527-EZLITE Analog Devices Inc, ADZS-BF527-EZLITE Datasheet - Page 45
![BOARD EVAL ADSP-BF527](/photos/9/22/92228/analog_devices_adzs-bf527-ezlite_sml.jpg)
ADZS-BF527-EZLITE
Manufacturer Part Number
ADZS-BF527-EZLITE
Description
BOARD EVAL ADSP-BF527
Manufacturer
Analog Devices Inc
Series
Blackfin®r
Type
DSPr
Datasheet
1.ADZS-BF527-EZLITE.pdf
(80 pages)
Specifications of ADZS-BF527-EZLITE
Featured Product
Blackfin® BF50x Series Processors
Contents
Evaluation Board
Silicon Manufacturer
Analog Devices
Core Architecture
Blackfin
Features
USB-based, PC-hosted Tool Set
Silicon Core Number
ADSP-BF527
Silicon Family Name
Blackfin
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ADSP-BF527
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Preliminary Technical Data
External DMA Request Timing
Table 35
operations.
Table 35. External DMA Request Timing
1
Parameter
Timing Parameters
t
t
t
t
Because the external DMA control pins are part of the V
DR
DH
DMARACT
DMARINACT
V
DDMEM
are NOT equal may require level shifting logic for correct operation.
and
Figure 18
(Active High)
(Active Low)
DMAR0/1
DMAR0/1
CLKOUT
DMARx Asserted to CLKOUT High Setup
CLKOUT High to DMARx Deasserted Hold Time
DMARx Active Pulse Width
DMARx Inactive Pulse Width
describe the External DMA Request
t
DR
t
t
DMARACT
DMARACT
DDEXT
Rev. PrG | Page 45 of 80 | February 2009
power domain and the CLKOUT signal is part of the V
Figure 18. External DMA Request Timing
t
DH
t
t
DMARINACT
DMARINACT
1.75 t
1.0 t
V
DDEXT
Min
8.0
0.0
ADSP-BF522/523/524/525/526/527
SCLK
/V
SCLK
DDMEM
= 1.8 V
Max
DDMEM
1
power domain, systems in which V
V
1.75 t
1.0 t
DDEXT
Min
6.0
0.0
/V
SCLK
SCLK
DDMEM
= 2.5/3.3 V
Max
DDEXT
Unit
ns
ns
ns
ns
and