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SC16C554IB80,557

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P55
Philips Semiconductors
SC16C554/554D
Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
Product data Rev. 05 — 10 May 2004 40 of 55
9397 750 13132
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Fig 13. General read timing in 16 mode.
DATA
ACTIVE
ACTIVE
VALID
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
ACTIVEIOW
CHANGE OF STATE CHANGE OF STATE
RTS
DTR
CD
CTS
DSR
CHANGE OF STATE CHANGE OF STATE
CHANGE OF STATE
ACTIVE ACTIVE ACTIVE
t
18d
t
18d
INT
ACTIVE ACTIVE ACTIVEIOR
RI
t
19d
002aaa352
t
18d
Philips Semiconductors
SC16C554/554D
Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
Product data Rev. 05 — 10 May 2004 41 of 55
9397 750 13132
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Fig 15. External clock 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 BAUD RATE CLOCK
002aaa113
t
21d
NEXT
DATA
START
BIT
STOP
BIT
PARITY
BIT
START
BIT
t
20d
RX
INT
IOR
DATA BITS (5-8)
5 DATA BITS
6 DATA BITS
7 DATA BITS
Philips Semiconductors
SC16C554/554D
Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
Product data Rev. 05 — 10 May 2004 42 of 55
9397 750 13132
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Fig 17. Receive ready timing in non-FIFO mode.
D0 D1 D2 D3 D4 D5 D6 D7
ACTIVE
DATA
READY
ACTIVE
002aaa114
t
26d
NEXT
DATA
START
BIT
STOP
BIT
PARITY
BIT
START
BIT
t
25d
RX
RXRDY
IOR
DATA BITS (5–8)
Fig 18. Receive ready timing in FIFO mode.
D0 D1 D2 D3 D4 D5 D6 D7
ACTIVE
DATA
READY
ACTIVE
002aaa115
t
26d
STOP
BIT
PARITY
BIT
START
BIT
t
25d
RX
RXRDY
IOR
DATA BITS (5–8)
FIRST BYTE THAT
REACHES THE
TRIGGER LEVEL
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P55

SC16C554IB80,557

Mfr. #:
Buy SC16C554IB80,557
Manufacturer:
NXP Semiconductors
Description:
IC UART QUAD 80LQFP
Lifecycle:
New from this manufacturer.
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