參數(shù)資料
型號： XR17D152CM-0A-EVB
廠商： Exar Corporation
文件頁數(shù)： 28/68頁
文件大?。?/td> 0K
描述： EVAL BOARD FOR XR17D152 100TQFP
標(biāo)準包裝： 1
系列： *
XR17D152
á
UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART
REV. 1.2.0
34
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.
.
TABLE 11: UART CHANNEL CONFIGURATION REGISTERS
ADDRESS
REGISTER
READ/WRITE
COMMENTS
A3
A2
A1
A0
16550 COMPATIBLE REGISTERS
0
RHR - Receive Holding Register
Read-only
LCR[7] = 0
0
THR - Transmit Holding Register
Write-only
LCR[7] = 0
0
DLL - Div Latch Low
Read/Write
LCR[7] = 1
0
1
DLM - Div Latch High
Read/Write
LCR[7] = 1
0
1
IER - Interrupt Enable Register
Read/Write
LCR[7] = 0
0
1
0
ISR - Interrupt Status Register
Read-only
0
1
0
FCR - FIFO Control Register
Write-only
0
1
LCR - Line Control Register
Read/Write
0
1
0
MCR - Modem Control Register
Read/Write
0
1
0
1
LSR - Line Status Register
Read-only
0
1
0
MSR - Modem Status Register
Read-only
0
1
0
RS485 Turn-Around Delay Register
Write-only
0
1
SPR - Scratch Pad Register
Read/Write
ENHANCED REGISTERS
1
0
FCTR - Feature Control Register
Read/Write
1
0
1
EFR - Enhanced Function Register
Read/Write
1
0
1
0
TXCNT - Transmit FIFO Level Counter
Read-only
1
0
1
0
TXTRG - Transmit FIFO Trigger Level
Write-only
1
0
1
RXCNT - Receive FIFO Level Counter
Read-only
1
0
1
RXTRG - Receive FIFO Trigger Level
Write-only
1
0
Xoff-1 - Xoff Character 1
Write-only
1
0
Xchar
Read-only
Xon,Xoff Rcvd. Flags
1
0
1
Xoff-2 - Xoff Character 2
Write-only
1
0
Xon-1 - Xon Character 1
Write-only
1
Xon-2 - Xon Character 2
Write-only
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR17D152CM-F 功能描述:UART 接口集成電路 3.3V-5V 64B FIFO temp 0C to 70C; UART 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
XR17D152CMTR-F 功能描述:UART 接口集成電路 UART 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
XR17D152IM 制造商:EXAR 制造商全稱:EXAR 功能描述:UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART
XR17D152IM-F 功能描述:UART 接口集成電路 UART 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
XR17D154 制造商:EXAR 制造商全稱:EXAR 功能描述:UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART
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