參數(shù)資料
型號(hào): XR16L2450IJ
廠商: EXAR CORP
元件分類: 微控制器/微處理器
英文描述: 97-3108A20-29S-KIT
中文描述: 2 CHANNEL(S), 1.5M bps, SERIAL COMM CONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁(yè)數(shù): 12/30頁(yè)
文件大?。?/td> 511K
代理商: XR16L2450IJ
XR16L2450
2.25V TO 5.5V DUART
xr
REV. 1.1.0
12
3.0
UART INTERNAL REGISTERS
Each of the UART channel in the L2450 has its own set of configuration registers selected by address lines A0,
A1 and A2 with CSA# or CSB# selecting the channel. The registers are 16C450 compatible. The complete
register set is shown on
Table 4
and
Table 5
.
T
ABLE
4: UART CHANNEL A AND B UART INTERNAL REGISTERS
A2,A1,A0 A
DDRESSES
R
EGISTER
R
EAD
/W
RITE
C
OMMENTS
16C550 C
OMPATIBLE
R
EGISTERS
0 0 0
RHR - Receive Holding Register
THR - Transmit Holding Register
Read-only
Write-only
LCR[7] = 0
0 0 0
DLL - Div Latch Low Byte
Read/Write
LCR[7] = 1
0 0 1
DLM - Div Latch High Byte
Read/Write
0 0 0
DREV - Device Revision
Read/Write
LCR[7] = 1,
DLL = 0x00, DLM = 0x00
0 0 1
DVID - Device ID
Read/Write
0 0 1
IER - Interrupt Enable Register
Read/Write
LCR[7] = 0
0 1 0
ISR - Interrupt Status Register
Reserved
Read-only
Write-only
0 1 1
LCR - Line Control Register
Read/Write
1 0 0
MCR - Modem Control Register
Read/Write
1 0 1
LSR - Line Status Register
Reserved
Read-only
Write-only
1 1 0
MSR - Modem Status Register
Reserved
Read-only
Write-only
1 1 1
SPR - Scratch Pad Register
Read/Write
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16L2450IJ-0A-EB 功能描述:UART 接口集成電路 Supports L2450 44 ld PLCC, ISA Interface 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
XR16L2450IJ-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
XR16L2450IM 制造商:EXAR 制造商全稱:EXAR 功能描述:2.25V TO 5.5V DUART
XR16L2450IM-0A-EB 功能描述:UART 接口集成電路 Supports L2450 48 ld TQFP, ISA Interface 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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