adsp-21161n Analog Devices, Inc., adsp-21161n Datasheet - Page 42

• Manufacturer Part Number: adsp-21161n
• Description: Dsp Microcomputer
• Manufacturer: Analog Devices, Inc.

ADSP-21161N
Table 28. Link Ports
Parameter
Timing Requirements
t
t
Switching Characteristics
t
t
t
t
t
SLACH
HLACH
DLDCH
HLDCH
LCLKTWL
LCLKTWH
DLACLK
LDAT7-0
LCLK
LACK (IN)
TRANSMIT
t
HLDCH
LACK Setup Before LCLK High
LACK Hold After LCLK High
Data Delay After LCLK High
Data Hold After LCLK High
LCLK Width Low
LCLK Width High
LCLK Low Delay After LACK High
THE
OUT
t
t
SLACH
LCLKTWH
–
t
DLDCH
Transmit
REQUIREMENT APPLIES TO THE RISING EDGE OF LCLK ONLY FOR THE FIRST NIBBLE TRANSMITTED.
t
LCLKTWL
Figure 31. Link Ports—Transmit
LAST NIBBLE/BYTE
TRANSMITTED
–42–
t
SLACH
FIRST NIBBLE/BYTE
TRANSMITTED
t
HLACH
Min
8
–2
0
0.5t
0.5t
0.5t
LCLK
LCLK
LCLK
–1.0
–1.0
+3
LCLK INACTIVE
(HIGH)
Max
3
0.5t
0.5t
3t
LCLK
LCLK
LCLK
+11
+1.0
+1.0
t
DLACLK
Unit
ns
ns
ns
ns
ns
ns
ns
REV. A