sc16c652 NXP Semiconductors, sc16c652 Datasheet - Page 3

• Manufacturer Part Number: sc16c652
• Description: Dual Uart With 32 Bytes Of Transmit And Receive Fifos
• Manufacturer: NXP Semiconductors

Philips Semiconductors
4. Block diagram
9397 750 11634
Product data
Fig 1. SC16C652 block diagram.
RXRDYA, RXRDYB
TXRDYA, TXRDYB
INTA, INTB
RESET
D0–D7
A0–A2
IOW
IOR
CSA
CSB
SC16C652
CONTROL LOGIC
INTERRUPT
REGISTER
DATA BUS
CONTROL
SELECT
LOGIC
LOGIC
AND
Rev. 04 — 20 June 2003
Dual UART with 32 bytes of transmit and receive FIFOs
XTAL1
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTER
REGISTER
RECEIVE
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
002aaa348
SC16C652
TXA, TXB
RXA, RXB
DTRA, DTRB
RTSA, RTSB
OP2A, OP2B
CTSA, CTSB
RIA, RIB
CDA, CDB
DSRA, DSRB
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