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XR16C850 Datasheet, PDF (45/55 Pages) Exar Corporation – UART with 128-byte FIFO’s FIFO Counters and Half-duplex Control
RX
-RXRDY
-IOR
IOR
XR16C850
START
BIT
DATA BITS (5-8)
STOP
BIT
D0 D1 D2 D3 D4 D5 D6 D7
PARITY
BIT
NEXT
DATA
START
BIT
T25d
Active
Data
Ready
T26d
Active
X550-RX-2
Receive Ready timing in non FIFO mode
Rev. 1.20
45