ADSP-BF504BCPZ-4 Analog Devices Inc, ADSP-BF504BCPZ-4 Datasheet - Page 45

• Manufacturer Part Number: ADSP-BF504BCPZ-4
• Description: Low Cost Blackfin Wtih Processor Only
• Manufacturer: Analog Devices Inc
• Series: Blackfin®r
• Type: Fixed Pointr

Specifications of ADSP-BF504BCPZ-4

• Interface: CAN, EBI/EMI, I²C, IrDA, PPI, SPI, SPORT, UART/USART
• Clock Rate: 400MHz
• Non-volatile Memory: External
• On-chip Ram: 68kB
• Voltage - I/o: 1.8V, 2.5V, 3.3V
• Voltage - Core: 1.29V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: *
• Package / Case: *
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Timer Clock Timing
Table 38
Table 38. Timer Clock Timing
Up/Down Counter/Rotary Encoder Timing
Table 39. Up/Down Counter/Rotary Encoder Timing
1
Parameter
Switching Characteristic
t
Parameter
Timing Requirements
t
t
t
Either a valid setup and hold time or a valid pulse width is sufficient. There is no need to resynchronize counter inputs.
TODP
WCOUNT
CIS
CIH
and
Figure 27
Timer Output Update Delay After PPI_CLK High
Up/Down Counter/Rotary Encoder Input Pulse Width
Counter Input Setup Time Before CLKOUT High
Counter Input Hold Time After CLKOUT High
TMRx OUTPUT
PPI_CLK
describe timer clock timing.
CUD/CDG/CZM
CLKOUT
Figure 28. Up/Down Counter/Rotary Encoder Timing
Rev. 0 | Page 45 of 80 | December 2010
Figure 27. Timer Clock Timing
1
t
1
CIS
t
WCOUNT
ADSP-BF504/ADSP-BF504F/ADSP-BF506F
t
CIH
Min
Min
t
9.0
0
SCLK
+ 1
V
V
DDEXT
DDEXT
= 1.8 V
= 1.8 V
Max
Max
t
TODP
12.0
Min
Min
t
7.0
0
SCLK
+ 1
V
V
DDEXT
DDEXT
= 2.5 V/3.3 V
= 2.5 V/3.3 V
Max
Max
12.0
Unit
ns
Unit
ns
ns
ns