- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄16550 > XR16M781IL32-0C-EB (Exar Corporation)EVAL BOARD FOR XR16M781-C 32QFN PDF資料下載
參數(shù)資料
| 型號： | XR16M781IL32-0C-EB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 9/52頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR XR16M781-C 32QFN |
| 標準包裝： | 1 |
| 系列： | * |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁當前第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁
XR16M781
17
REV. 1.0.1
1.62V TO 3.63V UART WITH 64-BYTE FIFO AND VLIO INTERFACE
transmission as soon as the stop bit of the character in process is shifted out. Transmission is resumed after
the CTS# input is re-asserted (LOW), indicating more data may be sent.
FIGURE 12. AUTO RTS AND CTS FLOW CONTROL OPERATION
RTSA#
CTSB#
RXA
TXB
Transmitter
Receiver FIFO
Trigger Reached
Auto RTS
Trigger Level
Auto CTS
Monitor
RTSA#
TXB
RXA FIFO
CTSB#
Remote UART
UARTB
Local UART
UARTA
ON
OFF
ON
Suspend
Restart
RTS High
Threshold
Data Starts
ON
OFF
ON
Assert RTS# to Begin
Transmission
1
2
3
4
5
6
7
Receive
Data
RTS Low
Threshold
9
10
11
Receiver FIFO
Trigger Reached
Auto RTS
Trigger Level
Transmitter
Auto CTS
Monitor
RTSB#
CTSA#
RXB
TXA
INTA
(RXA FIFO
Interrupt)
RX FIFO
Trigger Level
RX FIFO
Trigger Level
8
12
RTSCTS1
The local UART (UARTA) starts data transfer by asserting RTSA# (1). RTSA# is normally connected to CTSB# (2) of
remote UART (UARTB). CTSB# allows its transmitter to send data (3). TXB data arrives and fills UARTA receive FIFO
(4). When RXA data fills up to its receive FIFO trigger level, UARTA activates its RXA data ready interrupt (5) and con-
tinues to receive and put data into its FIFO. If interrupt service latency is long and data is not being unloaded, UARTA
monitors its receive data fill level to match the upper threshold of RTS delay and de-assert RTSA# (6). CTSB# follows
(7) and request UARTB transmitter to suspend data transfer. UARTB stops or finishes sending the data bits in its trans-
mit shift register (8). When receive FIFO data in UARTA is unloaded to match the lower threshold of RTS delay (9),
UARTA re-asserts RTSA# (10), CTSB# recognizes the change (11) and restarts its transmitter and data flow again until
next receive FIFO trigger (12). This same event applies to the reverse direction when UARTA sends data to UARTB
with RTSB# and CTSA# controlling the data flow.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ACM06DRYH | CONN EDGECARD 12POS DIP .156 SLD |
| D-500-L455-3-612-120 | MICROCOUPLER 3 STUB SHIELD CABLE |
| XR16M770IL24-0C-EB | EVAL BOARD FOR XR16M770-C 24QFN |
| H3DWH-5006G | IDC CABLE - HKR50H/AE50G/HPL50H |
| M3TKK-1006R | IDC CABLE - MSD10K/MC10M/MPK10K |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16M781IL32-F | 功能描述:UART 接口集成電路 1.62-3.63V; 64-Byte FIFO & VLIO; 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 |
| XR16M890 | 制造商:EXAR 制造商全稱:EXAR 功能描述:Single-Channel UARTs with Selectable Bus Interfaces |
| XR16M890_11 | 制造商:EXAR 制造商全稱:EXAR 功能描述:UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS |
| XR16M890IL32 | 制造商:EXAR 制造商全稱:EXAR 功能描述:UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS |
| XR16M890IL32-0C-EB | 功能描述:UART 接口集成電路 EVAL F/M890 32QFN MOT, INTEL, VLIO INT 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 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。