ADSP-BF537 AD [Analog Devices], ADSP-BF537 Datasheet - Page 32

• Manufacturer Part Number: ADSP-BF537
• Description: Blackfin Embedded Processor
• Manufacturer: AD [Analog Devices]

ADSP-BF534/ADSP-BF536/ADSP-BF537
External DMA Request Timing
Table 22
operations.
Table 22. External DMA Request Timing
Parameter
Timing Requirements
t
t
t
t
DR
DH
DMARACT
DMARINACT
and
Figure 14
(Active High)
(Active Low)
DMAR0/1
DMAR0/1
DMARx Asserted to CLKOUT High Setup
CLKOUT High to DMARx Deasserted Hold Time
DMARx Active Pulse Width
DMARx Inactive Pulse Width
CLKOUT
describe the external DMA request
t
DR
t
t
DMARACT
DMARACT
Figure 14. External DMA Request Timing
Rev. B | Page 32 of 68 | July 2006
t
DH
t
t
DMARINACT
DMARINACT
Min
6.0
0.0
1.0 t
1.75 t
SCLK
SCLK
Max
Unit
ns
ns
ns
ns