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SC16C550BIB48,128

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P49
SC16C550B All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 6 — 16 December 2014 34 of 49
NXP Semiconductors
SC16C550B
5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
Fig 16. Modem input/output timing
t
17d
IOW
RTS
DTR
DCD
CTS
DSR
INT
IOR
RI
t
19d
002aaa347
t
18d
change of state change of state
change of state change of state
active active active
active active active
change of state
t
18d
t
18d
active
Fig 17. External clock timing
EXTERNAL
CLOCK
002aaa112
t
w3
t
w2
t
w1
f
XTAL
1
t
w3
-------
=
SC16C550B All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 6 — 16 December 2014 35 of 49
NXP Semiconductors
SC16C550B
5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
Fig 18. Receive timing
D0 D1 D2 D3 D4 D5 D6 D7
active
active
16 baud rate clock
002aaa113
RX
INT
IOR
t
21d
t
20d
5 data bits
6 data bits
7 data bits
stop
bit
parity
bit
start
bit
data bits (0 to 7)
next
data
start
bit
Fig 19. Receive ready timing in non-FIFO mode
D0 D1 D2 D3 D4 D5 D6 D7
002aab063
next
data
start
bit
stop
bit
parity
bit
t
25d
RX
RXRDY
IOR
active data
ready
start
bit
data bits (0 to 7)
active
t
26d
SC16C550B All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 6 — 16 December 2014 36 of 49
NXP Semiconductors
SC16C550B
5 V, 3.3 V and 2.5 V UART with 16-byte FIFOs
Fig 20. Receive ready timing in FIFO mode
D0 D1 D2 D3 D4 D5 D6 D7
002aab064
first byte that
reaches the
trigger level
stop
bit
parity
bit
t
25d
RX
RXRDY
IOR
active data
ready
start
bit
data bits (0 to 7)
active
t
26d
Fig 21. Transmit timing
active
transmitter ready
active
16 baud rate clock
002aaa116
t
24d
INT
IOW
active
D0 D1 D2 D3 D4 D5 D6 D7
TX
5 data bits
6 data bits
7 data bits
stop
bit
parity
bit
start
bit
data bits (0 to 7)
next
data
start
bit
t
22d
t
23d
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P49

SC16C550BIB48,128

Mfr. #:
Buy SC16C550BIB48,128
Manufacturer:
NXP Semiconductors
Description:
UART Interface IC 16CB 2.5V-5V 1CH UART 16B FIFO
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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