sc16c2552b NXP Semiconductors, sc16c2552b Datasheet - Page 11

• Manufacturer Part Number: sc16c2552b
• Description: Sc16c2552b 5 V, 3.3 V And 2.5 V Dual Uart, 5 Mbit/s Max. , With 16-byte Fifos
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 14442
Product data
Fig 4. Internal loop-back mode diagram.
RXRDYA, RXRDYB
TXRDYA, TXRDYB
INTA, INTB
RESET
D0–D7
CHSEL
A0–A2
IOW
IOR
CS
SC16C2552B
CONTROL LOGIC
INTERRUPT
REGISTER
CONTROL
DATA BUS
SELECT
LOGIC
LOGIC
AND
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
Rev. 02 — 13 December 2004
XTAL1
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTERS
REGISTERS
RECEIVE
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
MCR[4] = 1
SC16C2552B
002aaa489
TXA, TXB
RXA, RXB
RTSA, RTSB
CTSA, CTSB
DTRA, DTRB
DSRA, DSRB
OP1A, OP1B
RIA, RIB
OP2A, OP2B
CDA, CDB
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