參數(shù)資料
型號(hào)： XR16L2751
廠商： Exar Corporation
英文描述： 2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
中文描述： 2.25V至5.5V的杜阿爾特64字節(jié)FIFO和省電
文件頁(yè)數(shù)： 22/52頁(yè)
文件大?。?/td> 618K
代理商： XR16L2751
á
XR16L2751
2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
REV. 1.0.0
22
3.0
UART INTERNAL REGISTERS
Each of the UART channel in the 2751 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 9
.
T
ABLE
8: 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, LCR
≠
0xBF
0 0 1
DLM - Div Latch High Byte
Read/Write
LCR[7] = 1, LCR
≠
0xBF
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
DLL, DLM
=
0x00,
LCR[7] = 1, LCR
≠
0xBF
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[7] = 0
0 1 1
LCR - Line Control Register
Read/Write
1 0 0
MCR - Modem Control Register
Read/Write
LCR[7] = 0
1 0 1
LSR - Line Status Register
Reserved
Read-only
Write-only
LCR[7] = 0
1 1 0
MSR - Modem Status Register
Reserved
Read-only
Write-only
LCR[7] = 0
1 1 1
SPR - Scratchpad Register
Read/Write
LCR[7] = 0, FCTR[6] = 0
1 1 1
FLVL - RX/TX FIFO Level Counter Register
Read-only
LCR[7] = 0, FCTR[6] = 1
1 1 1
EMSR - Enhanced Mode Select Register
Write-only
LCR[7] = 0, FCTR[6] = 1
E
NHANCED
R
EGISTERS
0 0 0
TRG - RX/TX FIFO Trigger Level Register
FC - RX/TX FIFO Level Counter Register
Write-only
Read-only
LCR = 0xBF
0 0 1
FCTR - Feature Control Register
Read/Write
LCR = 0xBF
0 1 0
EFR - Enhanced Function Register
Read/Write
LCR = 0xBF
1 0 0
Xon-1 - Xon Character 1
Read/Write
LCR = 0xBF
1 0 1
Xon-2 - Xon Character 2
Read/Write
LCR = 0xBF
1 1 0
Xoff-1 - Xoff Character 1
Read/Write
LCR = 0xBF
1 1 1
Xoff-2 - Xoff Character 2
Read/Write
LCR = 0xBF
相關(guān)PDF資料
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XR16L2751CM 2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
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參數(shù)描述
XR16L2751_05 制造商:EXAR 制造商全稱:EXAR 功能描述:2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
XR16L2751CM 制造商:EXAR 制造商全稱:EXAR 功能描述:2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
XR16L2751CM-0A-EB 功能描述:UART 接口集成電路 Supports L2751 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
XR16L2751CM-0B-EB 功能描述:UART 接口集成電路 Supports L2751 48 ld TQFP, PCI 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
XR16L2751CM-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
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