ADZS-BF537-EZLITE Analog Devices, ADZS-BF537-EZLITE Datasheet - Page 34

• Manufacturer Part Number: ADZS-BF537-EZLITE
• Description: Specifications: Type: DSP ; Contents: Evaluation Board, Software and Documentation ; For Use With/Related Products: ADSP-BF537 ; Lead Free Status: Lead Free ; RoHS Status: RoHS Compliant
• Manufacturer: Analog Devices

ADSP-BF534/ADSP-BF536/ADSP-BF537
External Port Bus Request and Grant Cycle Timing
Table 26
bus grant operations.
Table 26. External Port Bus Request and Grant Cycle Timing
1
2
Parameter
Timing Requirements
t
t
Switching Characteristics
t
t
t
t
t
t
These timing parameters are based on worst-case operating conditions.
The pad loads for these timing parameters are 20 pF.
BS
BH
SD
SE
DBG
EBG
DBH
EBH
and
1, 2
Figure 13
BR Asserted to CLKOUT Low Setup
CLKOUT Low to BR Deasserted Hold Time
CLKOUT Low to AMSx, Address, and ARE/AWE Disable
CLKOUT Low to AMSx, Address, and ARE/AWE Enable
CLKOUT High to BG Asserted Setup
CLKOUT High to BG Deasserted Hold Time
CLKOUT High to BGH Asserted Setup
CLKOUT High to BGH Deasserted Hold Time
ADDR 19-1
CLKOUT
describe external port bus request and
ABE1-0
AMSx
AWE
ARE
BGH
BR
BG
t
BS
Figure 13. External Port Bus Request and Grant Cycle Timing
Rev. I | Page 34 of 68 | July 2010
t
BH
t
t
t
SD
SD
t
t
DBG
DBH
Min
4.6
0.0
t
t
EBG
EBH
t
t
t
SE
SE
SE
Max
4.5
4.5
3.6
3.6
3.6
3.6
Unit
ns
ns
ns
ns
ns
ns
ns
ns