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SC16C554IB80,551
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-P45
P46-P48
P49-P51
P52-P54
P55-P55
Philips Semiconductors
SC16C554/554D
Quad U
ART with 16-b
yte FIFO and infrared (IrDA) encoder/decoder
Product data
Rev
. 05 — 10 May 2004
40 of 55
9397 750 13132
© Koninklijk
e Philips Electronics N.V
. 2004. All rights reser
v
ed.
Fig 13.
General read timing in 16 mode.
DATA
ACTIVE
ACTIVE
V
ALID
ADDRESS
002aaa172
t
6s
t
7h
t
7d
t
7w
t
9d
t
12d
t
12h
A0–A2
CS
IOR
D0–D7
t
6h
Fig 14.
Modem input/output timing.
t
17d
ACTIVE
IOW
CHANGE OF ST
A
TE
CHANGE OF ST
A
TE
RTS
DTR
CD
CTS
DSR
CHANGE OF ST
A
TE
CHANGE OF ST
A
TE
CHANGE OF ST
A
TE
ACTIVE
ACTIVE
ACTIVE
t
18d
t
18d
INT
ACTIVE
ACTIVE
ACTIVE
IOR
RI
t
19d
002aaa352
t
18d
Philips Semiconductors
SC16C554/554D
Quad U
ART with 16-b
yte FIFO and infrared (IrDA) encoder/decoder
Product data
Rev
. 05 — 10 May 2004
41 of 55
9397 750 13132
© Koninklijk
e Philips Electronics N.V
. 2004. All rights reser
v
ed.
Fig 15.
External cloc
k timing.
t
2w
EXTERNAL
CLOCK
002aaa112
t
1w
t
3w
Fig 16.
Receive timing.
D0
D1
D2
D3
D4
D5
D6
D7
ACTIVE
ACTIVE
16 BA
UD RA
TE CLOCK
002aaa113
t
21d
NEXT
D
ATA
ST
ART
BIT
STOP
BIT
P
ARITY
BIT
ST
ART
BIT
t
20d
RX
INT
IOR
DA
T
A BITS (5-8)
5 DA
T
A BITS
6 DA
T
A BITS
7 DA
T
A BITS
Philips Semiconductors
SC16C554/554D
Quad U
ART with 16-b
yte FIFO and infrared (IrDA) encoder/decoder
Product data
Rev
. 05 — 10 May 2004
42 of 55
9397 750 13132
© Koninklijk
e Philips Electronics N.V
. 2004. All rights reser
v
ed.
Fig 17.
Receive ready timing in non-FIFO mode.
D0
D1
D2
D3
D4
D5
D6
D7
ACTIVE
D
ATA
READ
Y
ACTIVE
002aaa114
t
26d
NEXT
D
ATA
ST
ART
BIT
STOP
BIT
P
ARITY
BIT
ST
ART
BIT
t
25d
RX
RXRD
Y
IOR
DA
T
A BITS (5–8)
Fig 18.
Receive ready timing in FIFO mode.
D0
D1
D2
D3
D4
D5
D6
D7
ACTIVE
D
ATA
READ
Y
ACTIVE
002aaa115
t
26d
STOP
BIT
P
ARITY
BIT
ST
ART
BIT
t
25d
RX
RXRD
Y
IOR
DA
T
A BITS (5–8)
FIRST BYTE
THA
T
REACHES THE
TRIGGER LEVEL
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-P45
P46-P48
P49-P51
P52-P54
P55-P55
SC16C554IB80,551
Mfr. #:
Buy SC16C554IB80,551
Manufacturer:
NXP Semiconductors
Description:
IC UART QUAD W/FIFO 80-LQFP
Lifecycle:
New from this manufacturer.
Delivery:
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