SC16C554 Philips Semiconductors, SC16C554 Datasheet - Page 42

• Manufacturer Part Number: SC16C554
• Description: Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
9397 750 13132
Product data
Fig 17. Receive ready timing in non-FIFO mode.
Fig 18. Receive ready timing in FIFO mode.
RXRDY
RXRDY
IOR
IOR
RX
RX
START
START
BIT
BIT
D0
D0
Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
D1
D1
Rev. 05 — 10 May 2004
D2
D2
DATA BITS (5–8)
DATA BITS (5–8)
D3
D3
D4
D4
D5
D5
D6
D6
D7
D7
SC16C554/554D
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
PARITY
PARITY
BIT
BIT
STOP
STOP
BIT
BIT
FIRST BYTE THAT
REACHES THE
TRIGGER LEVEL
START
NEXT
DATA
t
t
25d
25d
BIT
ACTIVE
ACTIVE
READY
READY
ACTIVE
ACTIVE
DATA
DATA
t
t
26d
26d
002aaa115
002aaa114
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