sc16c2550b NXP Semiconductors, sc16c2550b Datasheet - Page 3
sc16c2550b
Manufacturer Part Number
sc16c2550b
Description
5 V, 3.3 V And 2.5 V Dual Uart, 5 Mbit/s Max. , With 16-byte Fifos
Manufacturer
NXP Semiconductors
Datasheet
1.SC16C2550B.pdf
(43 pages)
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4. Block diagram
SC16C2550B_4
Product data sheet
Fig 1. Block diagram of SC16C2550B
RXRDYA, RXRDYB
TXRDYA, TXRDYB
INTA, INTB
D0 to D7
A0 to A2
RESET
CSA
CSB
IOW
IOR
SC16C2550B
INTERRUPT
REGISTER
CONTROL
CONTROL
DATA BUS
SELECT
LOGIC
LOGIC
LOGIC
AND
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
Rev. 04 — 15 February 2007
XTAL1
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTER
REGISTER
RECEIVE
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
SHIFT
SHIFT
CONTROL
MODEM
LOGIC
SC16C2550B
002aaa595
© NXP B.V. 2007. All rights reserved.
TXA, TXB
RXA, RXB
DTRA, DTRB
RTSA, RTSB
OP2A, OP2B
CTSA, CTSB
RIA, RIB
CDA, CDB
DSRA, DSRB
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