SC16C2550 Philips Semiconductors, SC16C2550 Datasheet - Page 3

• Manufacturer Part Number: SC16C2550
• Description: Dual UART with 16 bytes of transmit and receive FIFOs and infrared (IrDA) encoder/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
4. Block diagram
9397 750 11621
Product data
Fig 1. SC16C2550 block diagram.
RXRDYA, RXRDYB
TXRDYA, TXRDYB
INTA, INTB
RESET
D0–D7
A0–A2
IOW
IOR
CSA
CSB
SC16C2550
CONTROL LOGIC
INTERRUPT
REGISTER
DATA BUS
CONTROL
SELECT
LOGIC
LOGIC
AND
Dual UART with 16 bytes of transmit and receive FIFOs and IrDA
Rev. 03 — 19 June 2003
XTAL1
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTER
REGISTER
RECEIVE
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
SC16C2550
002aaa119
encoder/decoder
TXA, TXB
RXA, RXB
DTRA, DTRB
RTSA, RTSB
OP2A, OP2B
CTSA, CTSB
RIA, RIB
CDA, CDB
DSRA, DSRB
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