FIGURE 16. RECEIVER O
參數(shù)資料
型號: XR20M1280L40-0A-EB
廠商: Exar Corporation
文件頁數(shù): 11/63頁
文件大?。?/td> 0K
描述: EVAL BOARD FOR XR20M1280L40
產(chǎn)品培訓(xùn)模塊: XR21V141x Full-Speed USB UART Family
UARTs with Integrated Level Shifters
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,UART
已用 IC / 零件: XR20M1280L40
已供物品:
其它名稱: 1016-1628
FIGURE 16. RECEIVER OPERATION IN NON-FIFO MODE
Receive Data Shift
Register (RSR)
Receive
Data Byte
and Errors
RHR Interrupt (ISR bit-2)
Receive Data
Holding Register
(RHR)
RXFIFO1
16X or 8X or 4X Clock
( DLD[5:4] )
Receive Data Characters
Data Bit
Validation
Error
Tags in
LSR bits
4:2
FIGURE 17. RECEIVER OPERATION IN FIFO AND AUTO RTS FLOW CONTROL MODE
Receive Data Shift
Register (RSR)
RXFIFO1
16X or 8X or 4X Clock
( DLD[5:4] )
Er
ro
rT
a
gs
(1
28
-s
et
s)
Er
ro
rT
ag
s
in
LSR
b
its
4:
2
Receive Data Characters
Data Bit
Validation
Receive
Data FIFO
Receive
Data
Receive Data
Byte and Errors
RHR Interrupt (ISR bit-2) programmed for
desired FIFO trigger level.
FIFO is Enabled by FCR bit-0=1
RTS# de-asserts when data fills above the flow
control trigger level to suspend remote transmitter.
Enable by EFR bit-6=1, MCR bit-1.
RTS# re-asserts when data falls below the flow
control trigger level to restart remote transmitter.
Enable by EFR bit-6=1, MCR bit-1.
128 bytes by 11-bit wide
FIFO
Trigger=16
Data falls to
8
Data fills to
56
Example
: - RX FIFO trigger level selected at 16 bytes
(See Note Below)
XR20M1280
19
REV. 1.0.0
I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
相關(guān)PDF資料
PDF描述
HK100510NK-T INDUCTOR HIFREQ 10NH+/-.1 0402
GCC05DRES-S93 CONN EDGECARD 10POS .100 EYELET
EEC12DRTI-S734 CONN EDGECARD 24POS DIP .100 SLD
IMCSN-2000-25-U HEAT SHRINK IMCSN 2000 BK 25FT
L-07CR12KV6T CER INDUCTOR 120NH 0402
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR20M1280L40-0B-EB 功能描述:UART 接口集成電路 EVAL F/M1280 QFN40 SPI 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
XR20V2170 制造商:EXAR 制造商全稱:EXAR 功能描述:I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
XR20V2170IL40 制造商:EXAR 制造商全稱:EXAR 功能描述:I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
XR20V2170IL40-F 功能描述:UART 接口集成電路 Transceiver 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
XR20V2170L40-0A-EB 功能描述:界面開發(fā)工具 Supports V2170 40pin QFN,I2C Interface 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