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SC16C751B Datasheet, PDF (25/32 Pages) NXP Semiconductors – 5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs
NXP Semiconductors
SC16C751B
5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs
RX
INT
IOR
next
data
start
parity stop start
bit
bit bit bit
data bits (0 to 7)
D0 D1 D2 D3 D4 D5 D6 D7
5 data bits
6 data bits
7 data bits
t20d
active
t21d
active
Fig 9. Receive timing
16 baud rate clock
002aaa113
TX
INT
IOW
next
data
start
parity stop start
bit
bit bit bit
data bits (0 to 7)
D0 D1 D2 D3 D4 D5 D6 D7
active
t22d
t23d
5 data bits
6 data bits
7 data bits
active
transmitter ready
t24d
active
Fig 10. Transmit timing
SC16C751B_2
Product data sheet
16 baud rate clock
Rev. 02 — 10 October 2008
002aaa116
© NXP B.V. 2008. All rights reserved.
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