Analog Devices SHARC ADSP-214 Series Hardware Reference Manual page 273

LCLKx
DRIVEN BY
TRANSMITTER
LACKx
DRIVEN BY
RECEIVER
LACKx MAY
DEASSERT AFTER
BYTE 0
LDAT7-0
DRIVEN BY
TRANSMITTER
Figure 4-5. Relationship Between ACK and LCLK
INTERNAL
LINKCLK
IN TRANSMITTER
LCLKx
DRIVEN BY
TRANSMITTER
START OF FIRST
BYTE TRANSMISSION
LACKx
DRIVEN BY
RECEIVER
Figure 4-6. Relationship Between Internal LCLK and LCLK at Pads
ADSP-214xx SHARC Processor Hardware Reference
www.BDTIC.com/ADI
BYTE 1
BYTE 2
LCLKx HELD HIGH
UNTIL LACKx
GOES HIGH
Link Ports—ADSP-2146x
TRANSMITTER SAMPLES LACKx
HERE TO DECIDE WHETHER TO
TRANSMIT NEXT WORD
BYTE 3 BYTE 0
(MSB) (LSB)
TRANSMIT DATA FOR NEXT WORD
HELD UNTIL LACKx IS ASSERTED
LACKx MAY
DEASSERT AFTER
BYTE 0
LCLKx STAYS HIGH IF LA
SAMPLED LOW ON PREV
LCLKx FALLING EDGE
4-9