xr17l154iv Exar Corporation, xr17l154iv Datasheet - Page 27
![no-image](/images/manufacturer_photos/0/2/243/exar_corporation_sml.jpg)
xr17l154iv
Manufacturer Part Number
xr17l154iv
Description
3.3v Pci Bus Quad Uart
Manufacturer
Exar Corporation
Datasheet
1.XR17L154IV.pdf
(56 pages)
- Current page: 27 of 56
- Download datasheet (529Kb)
XR17L154
3.3V PCI BUS QUAD UART
REV. 1.1.0
Address lines A0 to A3 select the 16 registers in each channel. The first 8 registers are 16550 compatible with
the EXAR enhanced feature registers located on next 8 addresses locations. Addresses 0x080 to 0x093
comprise the Device Configuration Registers and they reside in Channel 0’s space.
.
A3 A2 A1 A0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
A
DDRESS
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0 0
0 0
0 1
0 1
1 0
1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
T
ABLE
EFR - Enhanced Function Register
TXCNT - Transmit FIFO Level Counter
RHR - Receive Holding Register
THR - Transmit Holding Register
DLL - Div Latch Low
DLM - Div Latch High
IER - Interrupt Enable Register
ISR - Interrupt Status Register
FCR - FIFO Control Register
LCR - Line Control Register
MCR - Modem Control Register
LSR - Line Status Register
reserved
MSR - Modem Status Register
SPR - Scratch Pad Reg
FCTR
TXTRG - Transmit FIFO Trigger Level
RXCNT - Receive FIFO Level Counter
RXTRG - Receive FIFO Trigger Level
Xoff-1 - Xoff Character 1
Xchar
Xoff-2 - Xoff Character 2
reserved
Xon-1 - Xon Character 1
reserved
Xon-2 - Xon Character 2
reserved
10: UART CHANNEL CONFIGURATION REGISTERS.
- Auto RS485 Delay
R
EGISTER
E
16550 C
NHANCED
27
OMPATIBLE
R
EGISTER
R
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Write-only
Read-only
Write-only
Read-only
Write-only
Read-only
Write-only
Read-only
Write-only
Read-only
Write-only
Write-only
Read-only
Write-only
Read-only
Write-only
Read-only
Write-only
Read-only
EAD
/W
RITE
Xon,Xoff Rcvd.
DISCONTINUED
C
LCR[7] = 0
LCR[7] = 1
LCR[7] = 1
LCR[7] = 0
OMMENTS
Flags
áç
áç
áç
áç
Related parts for xr17l154iv
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![MP7226KN](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
BiCMOS Fixed, Quad, Voltage Output, Single or Dual Supply 8-Bit Digital-to-Analog Converter
Manufacturer:
Exar Corporation
Datasheet:
![SP310ACP](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Exar Corporation
Datasheet:
![XR2207M](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
Voltage-Controlled Oscillator
Manufacturer:
Exar Corporation
Datasheet:
![XRT7296IP](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
INTEGRATED LINE TRANSMITTER
Manufacturer:
Exar Corporation
Datasheet:
![XR2206CP](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
Monolithic Function Generator
Manufacturer:
Exar Corporation
Datasheet:
![MP1230ABN](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
CMOS Microprocessor Compatible Double-Buffered 12-Bit Digital-to-Analog Converter
Manufacturer:
Exar Corporation
Datasheet:
![MP7686JN](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
CMOS 6 BIT HIGH SPEED ANALOG TO DIGITAL CONVERTER
Manufacturer:
Exar Corporation
Datasheet:
![SP232ACP](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Exar Corporation
Datasheet:
![SP232AEP](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Exar Corporation
Datasheet:
![MP7651AN](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
8-Channel, Voltage Output 10 MHz Input Bandwidth 8-Bit Multiplying DACs with Serial Digital Data Por
Manufacturer:
Exar Corporation
Datasheet:
![MP7533JN](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
15 V CMOS Multiplying10-Bit Digital-to-Analog Converter
Manufacturer:
Exar Corporation
Datasheet:
![XR2206M](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
Monolithic Function Generator
Manufacturer:
Exar Corporation
Datasheet:
![MP7682](/images/manufacturer_photos/0/2/243/exar_corporation_tmb.jpg)
Part Number:
Description:
CMOS, 6-Bit High-Speed Analog-to-digital Converter
Manufacturer:
Exar Corporation
Datasheet: