ST16C2450 View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

ST16C2450

2.97V TO 5.5V DUART

Exar Corporation 

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xr

REV. 4.0.1

ST16C2450

2.97V TO 5.5V DUART

TABLE 8: UART RESET CONDITIONS FOR CHANNEL A AND B

REGISTERS

RESET STATE

DLM

Bits 7-0 = 0xXX

DLL

Bits 7-0 = 0xXX

RHR

Bits 7-0 = 0xXX

THR

Bits 7-0 = 0xXX

IER

Bits 7-0 = 0x00

ISR

Bits 7-0 = 0x01

LCR

Bits 7-0 = 0x00

MCR

Bits 7-0 = 0x00

LSR

Bits 7-0 = 0x60

MSR

Bits 3-0 = Logic 0

Bits 7-4 = Logic levels of the

inputs inverted

SPR

Bits 7-0 = 0xFF

I/O SIGNALS

RESET STATE

TX

Logic 1

OP2#

Logic 1

RTS#

Logic 1

DTR#

Logic 1

INT

Three-State Condition

19

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