CY7C9689A-AI Cypress Semiconductor Corp, CY7C9689A-AI Datasheet - Page 47

• Manufacturer Part Number: CY7C9689A-AI
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C9689A-AI

• Lead Free Status / RoHS Status: Not Compliant

Document #: 38-02020 Rev. *D
Figure 14
produce a FIFO reset. In this case TXEN was asserted to
select a Transmit FIFO for data transfers. Because TXEN
remains active, the assertion of CE and TXRST does not
Tx_FIFO_Reset
Tx_FIFO_Reset
Tx_RstMatch
Tx_RstMatch
Tx_Match
Tx_Match
shows a sequence of input signals which will not
TXFULL
TXFULL
TXRST
TXCLK
TXRST
TXCLK
TXEN
TXEN
CE
CE
[49]
[49]
[49]
[49]
[49]
[49]
Figure 14. Invalid Transmit FIFO Reset Sequence with TXEN Asserted
Note 48
Figure 15. Transmit FIFO Reset Sequence
Note 48
Note 48
Note 48
Not Full
Not Full
initiate a reset operation. This is shown by the TXFULL flag
remaining HIGH (deasserted) following what would be the
normal expiration of the seven-state reset counter.
Full
CY7C9689A
Page 47 of 51
[+] Feedback