CY7C9689
CY7C9689 HOTLink Transmitter Switching Waveforms
Write Cycle
Asynchronous (FIFO) Interface
EXTFIFO=HIGH
t
TXCLK
FIFOBYP=HIGH
t
tT X C P W L
TXCPWH
TXCLK
tTX D S
tT X D H
TXHALT
TXSC/D
TXDATA[7:0]
31
Note
TXDATA[9:8]/TXCMD[2:3]
TXCMD[1:0]
tT X E N H
NO OPERATION
TXEN
tTX E N S
t
TXA
t
TXA
TXFULL
TXHALF
TXEMPTY
Write Cycle
Asynchronous (FIFO) Interface
EXTFIFO=LOW
FIFOBYP=HIGH
TXCLK
tT X D S
tT X D H
TXHALT
TXSC/D
TXDATA[7:0]
32
Note
TXDATA[9:8]/TXCMD[2:3]
TXCMD[1:0]
tT X E N H
tT X E N S
TXEN
NO OPERATION
t
TXA
TXFULL
TXHALF
TXEMPTY
tT X A
Notes:
31. When EXTFIFO is HIGH, the write data is captured on the clock cycle following TXEN = HIGH.
32. When EXTFIFO is LOW, the write data is captured on the same clock cycle as the TXEN=LOW.
27
CYPRESS [ CYPRESS ]
