SC16C654DB NXP Semiconductors, SC16C654DB Datasheet - Page 23

• Manufacturer Part Number: SC16C654DB
• Description: 5 V - 3.3 V and 2.5 V quad UART - 5 Mbit/s (max.)
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 14965
Product data sheet
Fig 12. Internal loop-back mode diagram
INTA to INTD
CSA to CSD
D0 to D7
A0 to A2
RXRDY
RESET
TXRDY
IOW
IOR
SC16C654B/654DB
INTERRUPT
REGISTER
CONTROL
CONTROL
DATA BUS
SELECT
LOGIC
LOGIC
LOGIC
AND
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
Rev. 02 — 20 June 2005
XTAL1
GENERATOR
REGISTERS
REGISTERS
CLOCK AND
BAUD RATE
TRANSMIT
CONTROL
CONTROL
RECEIVE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
SC16C654B/654DB
REGISTER
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
ENCODER
DECODER
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
IR
IR
002aaa876
www.DataSheet4U.com
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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