xr17v258 Exar Corporation, xr17v258 Datasheet - Page 57

xr17v258

Manufacturer Part Number

xr17v258

Description

66mhz Pci Bus Octal Uart With Power Management Support

Manufacturer

Exar Corporation

Datasheet

1.XR17V258.pdf (70 pages)

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REV. 1.0.0

REGISTERS

RFCNT

RFTRG

XCHAR

TFCNT

TFTRG

XOFF1

XOFF2

XON1

XON2

FCTR

RHR

MCR

MSR

DLM

THR

FCR

SPR

DLD

LCR

LSR

EFR

DLL

IER

ISR

Bits [7:4] = logic levels of the inputs

Bits [3:0] = logic 0

Bits [7:0] = 0xXX

Bits [7:0] = 0x01

Bits [7:0] = 0x00

Bits [7:0] = 0x01

Bits [7:0] = 0x00

Bits [7:0] = 0x60

Bits [7:0] = 0xFF

Bits [7:0] = 0x00

RESET STATE

66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT

ABLE

21: UART RESET CONDITIONS

I/O SIGNALS

RTS#[7:0]

DTR#[7:0]

IRTX[7:0]

TX[7:0]

EECK

EECS

EEDI

RESET STATE

HIGH

LOW

XR17V258

xr17v258 Exar Corporation, xr17v258 Datasheet - Page 57

xr17v258

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