SC16C554DB NXP Semiconductors, SC16C554DB Datasheet - Page 40

• 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 19. External clock timing
Fig 20. Receive timing
f
EXTERNAL
XTAL
IOR
INT
CLOCK
RX
=
-------
t
3w
1
start
bit
t
2w
D0
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
t
3w
D1
Rev. 01 — 9 February 2005
5 data bits
6 data bits
7 data bits
D2
t
1w
16 baud rate clock
data bits (0 to 7)
D3
D4
D5
D6
SC16C554B/554DB
D7
parity
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
bit
stop
bit
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data
start
next
t
21d
bit
active
t
active
20d
002aaa113
002aaa112
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