ADSP-BF537 AD [Analog Devices], ADSP-BF537 Datasheet - Page 26

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

ADSP-BF534/ADSP-BF536/ADSP-BF537
TIMING SPECIFICATIONS
Table 12
ADSP-BF534/ADSP-BF536/ADSP-BF537 processor clocks.
Take care in selecting MSEL, SSEL, and CSEL ratios so as not to
exceed the maximum core clock and system clock.
describes phase-locked loop operating conditions.
Table 12. Core Clock Requirements—600 MHz Speed Grade
1
Table 13. Core Clock Requirements—500 MHz Speed Grade
1
Table 14. Core Clock Requirements—400 MHz Speed Grade
1
Table 15. Phase-Locked Loop Operating Conditions
1
Parameter
f
f
f
f
f
Parameter
f
f
f
f
f
Parameter
f
f
f
f
f
Parameter
f
The speed grade of a given part is printed on the chip’s package as shown in
The speed grade of a given part is printed on the chip’s package as shown in
The speed grade of a given part is printed on the chip’s package as shown in
The speed grade of a given part is printed on the chip’s package as shown in
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
CCLK
VCO
maximum allowed CCLK frequency at V
maximum allowed CCLK frequency at V
maximum allowed CCLK frequency at V
maximum allowed CCLK frequency at V
and
Table 13
Voltage Controlled Oscillator (VCO) Frequency
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
Core Clock Frequency (V
describe the timing requirements for the
DDINT
DDINT
DDINT
DDINT
= 1.2 V and the maximum allowed VCO frequency at any supply voltage.
= 1.2 V and the maximum allowed VCO frequency at any supply voltage.
= 1.2 V and the maximum allowed VCO frequency at any supply voltage.
= 1.2 V and the maximum allowed VCO frequency at any supply voltage.
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
DDINT
=1.2 V minimum)
=1.045 V minimum)
= 0.95 V minimum)
= 0.85 V minimum)
= 0.8 V )
= 1.2 V minimum)
= 1.045 V minimum)
= 0.95 V minimum)
= 0.85 V minimum)
= 0.8 V )
= 1.14 V minimum)
= 1.045 V minimum)
= 0.95 V minimum)
= 0.85 V minimum)
= 0.8 V )
Table 15
Rev. B | Page 26 of 68 | July 2006
Figure 8 on Page 25
Figure 8 on Page 25
Figure 8 on Page 25
Figure 8 on Page 25
1
1
1
and can also be seen on the specific products ordering guide. It stands for the
and can also be seen on the specific products ordering guide. It stands for the
and can also be seen on the specific products ordering guide. It stands for the
and can also be seen on the specific products ordering guide. It stands for the
Min
50
Min
Min
Min
Max
Speed Grade
Max
600
475
425
375
250
Max
500
444
400
333
250
Max
400
363
333
280
250
1
Unit
MHz
Unit
MHz
MHz
Unit
MHz
MHz
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz