SC16C554 Philips Semiconductors, SC16C554 Datasheet - Page 20

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

Philips Semiconductors
9397 750 13132
Product data
Fig 8. Internal loop-back mode diagram (16 mode).
INTA-INTD
CSA-CSD
RESET
D0–D7
RXRDY
TXRDY
A0–A2
IOW
IOR
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
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTERS
REGISTERS
CONTROL
CONTROL
RECEIVE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
ENCODER
DECODER
SC16C554/554D
IR
IR
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
002aaa170
OP2A-OP2D
TXA-TXD
RXA-RXD
RTSA-RTSD
CTSA-CTSD
DTRA-DTRD
DSRA-DSRD
OP1A-OP1D
RIA-RID
CDA-CDD
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