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参数资料
| 型号： | XR16V798IQ-0B-EVB |
| 厂商： | Exar Corporation |
| 文件页数： | 21/56页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR16V798-B 100QFP |
| 设计资源： | XR17V798/794 Eval Board Schematic |
| 标准包装： | 1 |
| 系列： | * |
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XR16V798
28
HIGH PERFORMANCE 2.25V TO 3.6V OCTAL UART WITH FRACTIONAL BAUD RATE
REV. 1.0.1
3.2
UART CHANNEL CONFIGURATION REGISTERS
The first 8 registers are 16550 compatible with EXAR enhanced feature registers located on the upper 8
addresses. The 8 sets of UART configuration registers are decoded using address lines A0 to A3 as shown
below.
TABLE 11: UART CHANNEL CONFIGURATION REGISTERS.
ADDRESS
REGISTER
READ/WRITE
COMMENTS
A3 A2 A1 A0
16550 COMPATIBLE
0
0 0
RHR - Receive Holding Reg
THR - Transmit Holding Register
Read-only
Write-only
LCR[7] = 0
0
0 0
DLL - Divisor LSB
Read/Write
LCR[7] = 1
0
0 1
DLM - Divisor MSB
Read/Write
LCR[7] = 1
0
1 0
DLD - Divisor Fractional Part
Read/Write
LCR[7] = 1
0
0 1
IER - Interrupt Enable Reg
Read/Write
LCR[7] = 0
0
1 0
ISR - Interrupt Status Reg
FCR - FIFO Control Reg
Read-only
Write-only
LCR[7] = 0
0
1 1
LCR - Line Control Reg
Read/Write
0
1
0 0
MCR - Modem Control Reg
Read/Write
0
1
0 1
LSR - Line Status Reg
Read-only
0
1
1 0
MSR - Modem Status Reg
- Auto RS485 Delay
Read-only
Write-only
0
1
1 1
SPR - Scratch Pad Reg
Read/Write
ENHANCED REGISTER
1
0
0 0
FCTR
Read/Write
1
0
0 1
EFR - Enhanced Function Reg
Read/Write
1
0
1 0
TXCNT - Transmit FIFO Level Counter
TXTRG - Transmit FIFO Trigger Level
Read-only
Write-only
1
0
1 1
RXCNT - Receive FIFO Level Counter
RXTRG - Receive FIFO Trigger Level
Read-only
Write-only
1
0 0
Xoff-1 - Xoff Character 1
Xchar
Write-only
Read-only
Xon,Xoff Rcvd.
Flags
1
0 1
Xoff-2 - Xoff Character 2
reserved
Write-only
Read-only
1
1 0
Xon-1 - Xon Character 1
reserved
Write-only
Read-only
1
1 1
Xon-2 - Xon Character 2
reserved
Write-only
Read-only
相关PDF资料 |
PDF描述 |
|---|---|
| XR16V798IQ-0A-EVB | EVAL BOARD FOR XR16V798-A 100QFP |
| XR16V698IQ-0B-EVB | EVAL BOARD FOR XR16V698-B 100QFP |
| XR16V698IQ-0A-EVB | EVAL BOARD FOR XR16V698-A 100QFP |
| KIT33972AEWEVBE | KIT EVALUATION FOR MC33972 |
| EBM31DCMS | CONN EDGECARD 62POS .156 WW |
相关代理商/技术参数 |
参数描述 |
|---|---|
| XR16V798IQ-F | 功能描述:UART 接口集成电路 UART RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| XR16V798IQTR-F | 制造商:Exar Corporation 功能描述:UART 8-CH 64Byte FIFO 2.5V/3.3V 100-Pin PQFP T/R |
| XR-1790 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Audio Schematic |
| XR17C152 | 制造商:EXAR 制造商全称:EXAR 功能描述:5V PCI BUS DUAL UART |
| XR17C152CM | 制造商:EXAR 制造商全称:EXAR 功能描述:5V PCI BUS DUAL UART |
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