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SC16C2550BIB48,151
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P42
P43-P43
SC16C2550B_5
© NXP B.V
. 2009. All r
ights reserved.
Product data sheet
Rev
. 05 — 12 January 2009
28 of 43
NXP Semiconductors
SC16C2550B
5 V
, 3.3 V and 2.5 V dual UAR
T
, 5 Mbit/s (max.), with 16-byte FIFOs
Fig 9.
General read timing
data
active
active
valid
address
002aae278
A0 to A2
CSA, CSB
IOR
D0 to D7
t
12d
t
12h
t
7d
t
7w
t
9d
t
6h
t
7h
t
6s
Fig 10.
Modem input/output timing
t
17d
change of state
t
18d
t
18d
t
19d
002aae277
t
18d
change of state
change of state
change of state
active
active
active
activ
e
active
active
active
change of state
RTSA, R
TSB
DTRA, DTRB
IOW
CD
A, CDB
CTSA, CTSB
DSRA, DSRB
INT
A, INTB
IOR
RIA, RIB
SC16C2550B_5
© NXP B.V
. 2009. All r
ights reserved.
Product data sheet
Rev
. 05 — 12 January 2009
29 of 43
NXP Semiconductors
SC16C2550B
5 V
, 3.3 V and 2.5 V dual UAR
T
, 5 Mbit/s (max.), with 16-byte FIFOs
Fig 11.
External cloc
k timing
EXTERNAL
CLOCK
002aaa112
t
w3
t
w2
t
w1
f
XTAL
1
t
w3
------
-
=
Fig 12.
Receive timing
D0
D1
D2
D3
D4
D5
D6
D7
active
active
16 baud rate clock
002aae276
RXA, RXB
INT
A, INTB
IOR
t
21d
t
20d
5 data bits
6 data bits
7 data bits
stop
bit
parity
bit
star
t
bit
data bits (0 to 7)
next
data
star
t
bit
SC16C2550B_5
© NXP B.V
. 2009. All r
ights reserved.
Product data sheet
Rev
. 05 — 12 January 2009
30 of 43
NXP Semiconductors
SC16C2550B
5 V
, 3.3 V and 2.5 V dual UAR
T
, 5 Mbit/s (max.), with 16-byte FIFOs
Fig 13.
Receive ready timing in non-FIFO mode
D0
D1
D2
D3
D4
D5
D6
D7
002aae275
next
data
star
t
bit
stop
bit
parity
bit
t
25d
RXn
RXRD
Yn
IOR
active data
ready
star
t
bit
data bits (0 to 7)
active
t
26d
Fig 14.
Receive ready timing in FIFO mode
D0
D1
D2
D3
D4
D5
D6
D7
002aae274
first byte that
reaches the
trigger lev
el
stop
bit
parity
bit
t
25d
RXA, RXB
RXRD
Y
A, RXRD
YB
IOR
active data
ready
star
t
bit
data bits (0 to 7)
active
t
26d
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P42
P43-P43
SC16C2550BIB48,151
Mfr. #:
Buy SC16C2550BIB48,151
Manufacturer:
NXP Semiconductors
Description:
UART Interface IC 2CH. UART 16B FIFO
Lifecycle:
New from this manufacturer.
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