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SC68C752B Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. SC68C752B
Description  5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs and Motorola uP interface
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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SC68C752B Datasheet(HTML) 3 Page - NXP Semiconductors

 
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SC68C752B_3
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 29 November 2005
3 of 49
Philips Semiconductors
SC68C752B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
4.
Block diagram
Fig 1.
Block diagram of SC68C752B
TXA, TXB
RXA, RXB
SC68C752B
XTAL2
XTAL1
D0 to D7
R/W
RESET
002aab017
DATA BUS
AND
CONTROL
LOGIC
REGISTER
SELECT
LOGIC
A0 to A3
CS
INTERRUPT
CONTROL
LOGIC
IRQ
TXRDYA, TXRDYB
RXRDYA, RXRDYB
CLOCK AND
BAUD RATE
GENERATOR
MODEM
CONTROL
LOGIC
DTRS, DTRB
RTSA, RTSB
OPA, OPB
CTSA, CTSB
RIA, RIB
CDA, CDB
DSRA, DSRB
RECEIVE
SHIFT
REGISTER
RECEIVE
FIFO
REGISTER
FLOW
CONTROL
LOGIC
FLOW
CONTROL
LOGIC
TRANSMIT
SHIFT
REGISTER
TRANSMIT
FIFO
REGISTER


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