sc68c2550b NXP Semiconductors, sc68c2550b Datasheet - Page 3
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sc68c2550b
Manufacturer Part Number
sc68c2550b
Description
Sc68c2550b 5 V, 3.3 V And 2.5 V Dual Uart, 5 Mbit/s Max. , With 16-byte Fifos And Motorola Up Interface
Manufacturer
NXP Semiconductors
Datasheet
1.SC68C2550B.pdf
(35 pages)
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Philips Semiconductors
4. Block diagram
9397 750 14941
Product data sheet
Fig 1. Block diagram of SC68C2550B
RXRDYA, RXRDYB
TXRDYA, TXRDYB
D0 to D7
A0 to A3
RESET
R/W
IRQ
CS
SC68C2550B
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. 02 — 28 April 2005
XTAL1
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTER
REGISTER
RECEIVE
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
SHIFT
SHIFT
CONTROL
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
MODEM
LOGIC
SC68C2550B
002aab334
TXA, TXB
RXA, RXB
DTRA, DTRB
RTSA, RTSB
OP2A, OP2B
CTSA, CTSB
RIA, RIB
CDA, CDB
DSRA, DSRB
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