SC16C554DB NXP Semiconductors, SC16C554DB Datasheet - Page 42

• Manufacturer Part Number: SC16C554DB
• Description: 5 V 3.3 V and 2.5 V quad UART - 5 Mbit/s (max.) with 16-byte FIFOs
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 13133
Product data sheet
Fig 23. Transmit timing
Fig 24. Transmit ready timing in non-FIFO mode
D0 to D7
TXRDY
IOW
INT
TX
IOW
TX
active
byte #1
active
t
27d
start
bit
start
t
bit
23d
transmitter
not ready
t
22d
D0
t
28d
D0
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
D1
Rev. 01 — 9 February 2005
D1
5 data bits
6 data bits
7 data bits
D2
transmitter ready
D2
data bits (0 to 7)
16 baud rate clock
active
data bits (0 to 7)
D3
D3
D4
D4
active transmitter
D5
D5
ready
D6
D6
SC16C554B/554DB
D7
D7
parity
bit
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
parity
bit
stop
bit
stop
bit
www.DataSheet4U.com
data
start
next
bit
t
24d
active
data
start
next
bit
002aaa116
002aab062
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