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SC16C554DB Datasheet(PDF) 4 Page - NXP Semiconductors

Part # SC16C554DB
Description  5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
PDF  51 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

SC16C554DB Datasheet(HTML) 4 Page - NXP Semiconductors

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9397 750 13133
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 9 February 2005
4 of 51
Philips Semiconductors
SC16C554B/554DB
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
Fig 2.
Block diagram of SC16C554B/554DB (68 mode)
DTRA to DTRD
RTSA to RTSD
TRANSMIT
FIFO
REGISTERS
TXA to TXD
RECEIVE
SHIFT
REGISTER
RECEIVE
FIFO
REGISTERS
RXA to RXD
SC16C554B/554DB
TRANSMIT
SHIFT
REGISTER
XTAL2
XTAL1
002aaa878
FLOW
CONTROL
LOGIC
CLKSEL
16/68
DATA BUS
AND
CONTROL
LOGIC
REGISTER
SELECT
LOGIC
INTERRUPT
CONTROL
LOGIC
D0 to D7
R/W
RESET
A0 to A4
CS
IRQ
TXRDY
RXRDY
CLOCK AND
BAUD RATE
GENERATOR
MODEM
CONTROL
LOGIC
CTSA to CTSD
RIA to RID
CDA to CDD
DSRA to DSRD
FLOW
CONTROL
LOGIC



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