SC28L92A1A View Datasheet(PDF) - Philips Electronics

Part Name

Description

MFG CO.

SC28L92A1A

3.3V–5.0V Dual Universal Asynchronous Receiver/Transmitter (DUART)

Philips Electronics 

Philips Semiconductors

3.3V–5.0V Dual Universal Asynchronous

Receiver/Transmitter (DUART)

Product specification

SC28L92

8

D0–D7

RDN

WRN

CEN

4

A0–A3

RESET

INTRN

X1/CLK

X2

BUS BUFFER

OPERATION CONTROL

ADDRESS

DECODE

R/W CONTROL

INTERRUPT CONTROL

IMR

ISR

GP

TIMING

BAUD RATE

GENERATOR

CLOCK

SELECTORS

COUNTER/

TIMER

XTAL OSC

CSRA

CSRB

ACR

CTL

CTU

CHANNEL A

16 BYTE TRANSMIT

FIFO

TRANSMIT

SHIFT REGISTER

16 BYTE RECEIVE

FIFO

WATCH DOG TIMER

RECEIVE SHIFT

REGISTER

MRA0, 1, 2

CRA

SRA

CHANNEL B

(AS ABOVE)

INPUT PORT

CHANGE OF

STATE

DETECTORS (4)

IPCR

ACR

OUTPUT PORT

FUNCTION

SELECT LOGIC

OPCR

OPR

Figure 1. Block Diagram (80XXX mode)

TxDA

RxDA

TxDB

RxDB

7

IP0-IP6

8

OP0-OP7

VCC

VSS

SD00685

2000 Jan 21

6

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