REV. 1.0.3 3.5 UART CHANNEL CONFIGURATION REGISTERS Address lines A0 to A3 sel" />
參數(shù)資料
型號(hào)： XR17V354IB-0A-EVB
廠商： Exar Corporation
文件頁(yè)數(shù)： 35/66頁(yè)
文件大小： 0K
描述： EVAL BOARD FOR XR17V354-A 176BGA
產(chǎn)品培訓(xùn)模塊： PCIe UARTs
標(biāo)準(zhǔn)包裝： 1
主要目的： 接口，UART
嵌入式： 否
已用 IC / 零件： XR17V354
已供物品： 板
其它名稱： 1016-1611
XR17V354IB-0A-EVB-ND
XR17V354
40
HIGH PERFORMANCE QUAD PCI-EXPRESS UART
REV. 1.0.3
3.5
UART CHANNEL CONFIGURATION REGISTERS
Address lines A0 to A3 select the 16 registers in each channel. The first 8 registers are 16550 compatible with
EXAR enhanced feature registers located on the upper 8 addresses.
TABLE 13: UART CHANNEL CONFIGURATION REGISTERS
ADDRESS
REGISTER
READ/WRITE
COMMENTS
A3 A2 A1 A0
16550 COMPATIBLE
0 0 0 0
RHR - Receive Holding Register
THR - Transmit Holding Register
Read-only
Write-only
LCR[7] = 0
0 0 0 0
DLL - Divisor LSB
Read/Write
LCR[7] = 1
0 0 0 1
DLM - Divisor MSB
Read/Write
LCR[7] = 1
0 0 1 0
DLD - Divisor Fractional
Read/Write
LCR[7] = 1
0 0 0 1
IER - Interrupt Enable Register
Read/Write
LCR[7] = 0
0 0 1 0
ISR - Interrupt Status Register
FCR - FIFO Control Register
Read-only
Write-only
LCR[7] = 0
0 0 1 1
LCR - Line Control Register
Read/Write
0 1 0 0
MCR - Modem Control Register
Read/Write
0 1 0 1
LSR - Line Status Register
Read-only
0 1 1 0
MSR - Modem Status Register
- Auto RS485 Delay
Read-only
Write-only
EFR bit-4 = 1
0 1 1 1
SPR - Scratch Pad Register
Read/Write
ENHANCED REGISTER
1 0 0 0
FCTR - Feature Control Register
Read/Write
1 0 0 1
EFR - Enhanced Function Register
Read/Write
1 0 1 0
TXCNT - Transmit FIFO Level Counter
TXTRG - Transmit FIFO Trigger Level
Read-only
Write-only
1 0 1 1
RXCNT - Receive FIFO Level Counter
RXTRG - Receive FIFO Trigger Level
Read-only
Write-only
1 1 0 0
Xoff-1 - Xoff Character 1
Xchar
Write-only
Read-only
Xon,Xoff Rcvd.
Flags
1 1 0 1
Xoff-2 - Xoff Character 2
Write-only
1 1 1 0
Xon-1 - Xon Character 1
Write-only
1 1 1 1
Xon-2 - Xon Character 2
Write-only
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XR17V354IB176-F 功能描述:UART 接口集成電路 4 Channel PCIe UART w/256 Byte FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
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XR17V354IB-E8-EVB 功能描述:界面開發(fā)工具 Eval Board for XR17V354IB-E8 RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
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