SC16C554BIB64 PHILIPS [NXP Semiconductors], SC16C554BIB64 Datasheet - Page 41

• Manufacturer Part Number: SC16C554BIB64
• Description: 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
9397 750 13133
Product data sheet
Fig 21. Receive ready timing in non-FIFO mode
Fig 22. Receive ready timing in FIFO mode
RXRDY
RXRDY
IOR
IOR
RX
RX
start
start
bit
bit
D0
D0
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
D1
D1
Rev. 01 — 9 February 2005
D2
D2
data bits (0 to 7)
data bits (0 to 7)
D3
D3
D4
D4
D5
D5
D6
D6
SC16C554B/554DB
D7
D7
parity
parity
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
bit
bit
stop
stop
bit
bit
active data
active data
first byte that
reaches the
trigger level
t
t
26d
26d
data
start
next
bit
ready
ready
t
t
active
active
25d
25d
002aab063
002aab064
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