ADSP-3PARCBF548M01 Analog Devices Inc, ADSP-3PARCBF548M01 Datasheet - Page 68

• Manufacturer Part Number: ADSP-3PARCBF548M01
• Description: MODULE BOARD BF548
• Manufacturer: Analog Devices Inc
• Series: Blackfin®r

Specifications of ADSP-3PARCBF548M01

• Module/board Type: Processor Module
• For Use With/related Products: ADSP-BF548
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
Up/Down Counter/Rotary Encoder Timing
Table 49
encoder timing.
Table 49. Up/Down Counter/Rotary Encoder Timing
1
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.
WCOUNT
CIS
CIH
and
Figure 42
CUD/CDG/CZM Input Pulse Width
CUD/CDG/CZM Input Setup Time Before CLKOUT High
CUD/CDG/CZM Input Hold Time After CLKOUT High
describe up/down counter/rotary
CUD/CDG/CZM
CLKOUT
Figure 42. Up/Down Counter/Rotary Encoder Timing
Rev. C | Page 68 of 100 | February 2010
t
CIS
t
WCOUNT
1
1
t
CIH
Min
t
7.2
0.0
SCLK
+ 1
Max
Unit
ns
ns
ns