sc16c652b NXP Semiconductors, sc16c652b Datasheet - Page 3

• Manufacturer Part Number: sc16c652b
• Description: 5v, 3.3 V And 2.5v Dual Uart, 5 Mbit/s Max. ,with 32-byte Fifos And Infrared Irda Encoder/decoder
• Manufacturer: NXP Semiconductors

Philips Semiconductors
4. Block diagram
SC16C652B_4
Product data sheet
Fig 1. Block diagram of SC16C652B
RXRDYA, RXRDYB
TXRDYA, TXRDYB
INTA, INTB
D0 to D7
A0 to A2
RESET
CSA
CSB
IOW
IOR
SC16C652B
INTERRUPT
REGISTER
CONTROL
CONTROL
DATA BUS
SELECT
LOGIC
LOGIC
LOGIC
AND
Rev. 04 — 1 September 2005
Dual UART with 32-byte FIFOs and IrDA encoder/decoder
XTAL1
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTER
REGISTER
CONTROL
CONTROL
RECEIVE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
SHIFT
SHIFT
CONTROL
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
MODEM
LOGIC
ENCODER
DECODER
SC16C652B
IR
IR
002aaa592
TXA, TXB
RXA, RXB
DTRA, DTRB
RTSA, RTSB
OP2A, OP2B
CTSA, CTSB
RIA, RIB
CDA, CDB
DSRA, DSRB
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