XR16C850 Datasheet, PDF (41/55 Pages) Exar Corporation – UART with 128-byte FIFO’s FIFO Counters and Half-duplex Control

T4w
-AS
T5s
A0-A2
-CS2
CS1-CS0
-IOW
IOW
T13d
T14d
Valid
Address
T6s
Valid
T13w
Active
T16s
D0-D7
Data
T5h
T6h
T13h
T15d
T16h
XR16C850
X550-WD-1
General Write timing in "STD mode"
Rev. 1.20
41