SC16C2552 Philips Semiconductors, SC16C2552 Datasheet - Page 11

• Manufacturer Part Number: SC16C2552
• Description: Dual UART with 16-byte transmit and receive FIFOs
• Manufacturer: Philips Semiconductors

Philips Semiconductors
9397 750 11636
Product data
Fig 4. Internal loop-back mode diagram.
RXRDYA, RXRDYB
TXRDYA, TXRDYB
INTA, INTB
RESET
D0–D7
CHSEL
A0–A2
IOW
IOR
CS
SC16C2552
CONTROL LOGIC
INTERRUPT
REGISTER
DATA BUS
CONTROL
SELECT
LOGIC
LOGIC
AND
Rev. 03 — 20 June 2003
XTAL1
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTERS
REGISTERS
RECEIVE
Dual UART with 16-byte transmit and receive FIFOs
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
MCR[4] = 1
SC16C2552
002aaa126
TXA, TXB
RXA, RXB
RTSA, RTSB
DSRA, DSRB
DTRA, DTRB
CTSA, CTSB
OP1A, OP1B
RIA, RIB
OP2A, OP2B
CDA, CDB
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