SC16C554BIB64 PHILIPS [NXP Semiconductors], SC16C554BIB64 Datasheet - Page 22

• Manufacturer Part Number: SC16C554BIB64
• Description: 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
9397 750 13133
Product data sheet
Fig 13. Internal loop-back mode diagram (68 mode)
D0 to D7
A0 to A4
RXRDY
RESET
TXRDY
16/68
R/W
IRQ
CS
SC16C554B/554DB
INTERRUPT
REGISTER
CONTROL
DATA BUS
CONTROL
SELECT
LOGIC
LOGIC
LOGIC
AND
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
Rev. 01 — 9 February 2005
XTAL1
GENERATOR
REGISTERS
REGISTERS
CLOCK AND
BAUD RATE
TRANSMIT
CONTROL
CONTROL
RECEIVE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
SC16C554B/554DB
SHIFT
SHIFT
MODEM
LOGIC
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
002aaa884
TXA to TXD
RXA to RXD
RTSA to RTSD
CTSA to CTSD
DTRA to DTRD
DSRA to DSRD
OP1A to OP1D
RIA to RID
OP2A to OP2D
CDA to CDD
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