REV. 1.0.3 HIGH PERFORMANCE DUART WITH 16-BYTE FIFO 3.0 UART INTERNAL REGISTERS Each of the UART channel in the V2550 has its own " />
參數(shù)資料
型號(hào)： XR16V2550IL-0B-EB
廠商： Exar Corporation
文件頁數(shù)： 14/46頁
文件大?。?/td> 0K
描述： EVAL BOARD FOR V2550 32QFN
標(biāo)準(zhǔn)包裝： 1
系列： *
XR16V2550
21
REV. 1.0.3
HIGH PERFORMANCE DUART WITH 16-BYTE FIFO
3.0 UART INTERNAL REGISTERS
Each of the UART channel in the V2550 has its own set of configuration registers selected by address lines A0,
A1 and A2 with CSA# or CSB# selecting the channel. The complete register set is shown on Table 8 and
TABLE 8: UART CHANNEL A AND B UART INTERNAL REGISTERS
ADDRESSES
REGISTER
READ/WRITE
COMMENTS
16C550 COMPATIBLE REGISTERS
0 0 0
RHR - Receive Holding Register
THR - Transmit Holding Register
Read-only
Write-only
LCR[7] = 0
0 0 0
DLL - Divisor LSB
Read/Write
LCR[7] = 1, LCR
≠ 0xBF
0 0 1
DLM - Divisor MSB
Read/Write
0 1 0
DLD - Divisor Fractional
Read/Write
LCR[7] = 1, LCR
≠ 0xBF,
EFR[4] = 1
0 0 0
DREV - Device Revision Code
Read-only
DLL, DLM
= 0x00,
LCR[7] = 1, LCR
≠ 0xBF
0 0 1
DVID - Device Identification Code
Read-only
0 0 1
IER - Interrupt Enable Register
Read/Write
LCR[7] = 0
0 1 0
ISR - Interrupt Status Register
FCR - FIFO Control Register
Read-only
Write-only
LCR
≠ 0xBF
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 1
SPR - Scratch Pad Register
Read/Write
ENHANCED REGISTERS
0 1 0
EFR - Enhanced Function Register
Read/Write
LCR = 0xBF
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
XR16V2550IL32 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 16-BYTE FIFO
XR16V2550IL-F 功能描述:UART 接口集成電路 2.5V-3.6V 16B FIFO temp -45 to 85C;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
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XR16V2550IM 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
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