xr68c92 Exar Corporation, xr68c92 Datasheet - Page 29

• Manufacturer Part Number: xr68c92
• Description: Xr68c92 -dual Uart With Eight Bytes Transmit And Receive Fifo
• Manufacturer: Exar Corporation

ENABLE
-RxRDY/
-FFULL
OVERRUN
-RxRDY
(Read)
-FFULL
-CS
Rev. 1.33
ERROR
-RTS
RX
RX
ENABLE
-TxRDY
(Write)
-CTS
-RTS
-CS
TX
TX
D1
D1
Status Data
(D1)
D2
Figure 9: Transmit Timing
Figure 8: Receive Timing
D2
D8
D11 Will be lost
due to overrun
29
D3
D9
Break
D10
Status Data
(D2)
D4
XR68C92/192
D11
Status Data
(D3)
D12, D13 Will be lost
due to RX disable
D12
Status Data
Reset by
command
(D10)
XR692-TX
XR92-RX
D5
D13