REV. 1.0.1 1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE 3.0 UART INTERNAL REGISTERS The complete register set for the M" />
參數(shù)資料
型號： XR16M681IB25-0C-EB
廠商： Exar Corporation
文件頁數(shù)： 16/51頁
文件大?。?/td> 0K
描述： EVAL BOARD FOR XR16M681-C 25BGA,
標準包裝： 1
系列： *
XR16M681
23
REV. 1.0.1
1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE
3.0 UART INTERNAL REGISTERS
The complete register set for the M681 is shown in Table 6 and Table 7.
TABLE 6: UART INTERNAL REGISTERS
ADDRESSES
REGISTER
READ/WRITE
COMMENTS
16C550 COMPATIBLE REGISTERS
0 0 0
DREV - Device Revision
Read-only
LCR[7] = 1, LCR
≠ 0xBF,
DLL = 0x00, DLM = 0x00
0 0 1
DVID - Device Identification Register
Read-only
0 0 0
DLL - Divisor LSB Register
Read/Write
LCR[7] = 1, LCR
≠ 0xBF
See DLD[7:6]
0 0 1
DLM - Divisor MSB Register
Read/Write
0 1 0
DLD - Divisor Fractional Register
Read/Write
LCR[7] = 1, LCR
≠ 0xBF,
EFR[4] = 1
0 0 0
RHR - Receive Holding Register
THR - Transmit Holding Register
Read-only
Write-only
LCR[7] = 0
0 0 1
IER - Interrupt Enable Register
Read/Write
0 1 0
ISR - Interrupt Status Register
FCR - FIFO Control Register
Read-only
Write-only
LCR[7] = 0 if EFR[4] = 1
or
LCR
≠ 0xBF if EFR[4] = 0
0 1 1
LCR - Line Control Register
Read/Write
1 0 0
MCR - Modem Control Register
Read/Write
LCR
≠ 0xBF
1 0 1
LSR - Line Status Register
Read-only
1 1 0
MSR - Modem Status Register
Read-only
1 1 0
MSR - Modem Status Register
Write-only
LCR
≠ 0xBF
EFR[4] = 1
1 1 1
SPR - Scratch Pad Register
Read/Write
LCR
≠ 0xBF, FCTR[6] = 0
1 1 1
EMSR - Enhanced Mode Select Register
Write-only
LCR
≠ 0xBF, FCTR[6] = 1
1 1 1
FC - RX/TX FIFO Level Counter Register
Read-only
ENHANCED REGISTERS
0 0 0
FC - RX/TX FIFO Level Counter Register
Read-only
LCR = 0xBF
0 0 0
TRIG - RX/TX FIFO Trigger Level Register
Write-only
0 0 1
FCTR - Feature Control Register
Read/Write
0 1 0
EFR - Enhanced Function Reg
Read/Write
1 0 0
Xon-1 - Xon Character 1
Read/Write
1 0 1
Xon-2 - Xon Character 2
Read/Write
1 1 0
Xoff-1 - Xoff Character 1
Read/Write
1 1 1
Xoff-2 - Xoff Character 2
Read/Write
A2 A1 A0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16M681IB25-F 功能描述:UART 接口集成電路 1.62-3.63V; 32-Byte FIFO & VLIO; 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
XR16M681IL24 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE
XR16M681IL24-0C-EB 功能描述:界面開發(fā)工具 Eval Board for XR16M681IL24 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
XR16M681IL24-F 功能描述:UART 接口集成電路 1.62-3.63V; 32-Byte FIFO & VLIO; 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
XR16M681IL32 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE
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