SC16C554 Philips Semiconductors, SC16C554 Datasheet - Page 3

• Manufacturer Part Number: SC16C554
• Description: Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
4. Block diagram
9397 750 13132
Product data
Fig 1. SC16C554/554D block diagram (16 mode).
INTA-INTD
CSA-CSD
RESET
D0–D7
INTSEL
RXRDY
TXRDY
A0–A2
IOW
IOR
16/68
SC16C554/554D
CONTROL LOGIC
INTERRUPT
REGISTER
DATA BUS
CONTROL
SELECT
LOGIC
LOGIC
AND
Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
Rev. 05 — 10 May 2004
XTAL1
REGISTERS
REGISTERS
TRANSMIT
CONTROL
CONTROL
GENERATOR
RECEIVE
CLOCK AND
BAUD RATE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
CLKSEL
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
SC16C554/554D
LOGIC
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
ENCODER
DECODER
IR
IR
002aaa168
DTRA-DTRD
RTSA-RTSD
TXA-TXD
RXA-RXD
CTSA-CTSD
RIA-RID
CDA-CDD
DSRA-DSRD
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