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參數(shù)資料
| 型號(hào)： | 7643 |
| 英文描述： | IrDA. protocol handler plus endec for DCE Apps, -40C to +85C, 18-SOIC 300mil, TUBE |
| 中文描述： | 7643Group數(shù)據(jù)表數(shù)據(jù)表1369K/JUL.30.03 |
| 文件頁數(shù)： | 34/120頁 |
| 文件大?。?/td> | 1369K |
| 代理商： | 7643 |
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Rev.1.00 Jul 30, 2003 page 34 of 119
7643 Group
The Framing Error Flag (FER) is set to “1” when the number of
stop bit of the received data does not correspond with the selec-
tion with the Stop Bit Length Select Bit (STB).
The Overrun Flag Flag (OER) is set to “1” if the previous data in
the low-order byte of the receive buffer register 1 (addresses
0034
16
) is not read before the current receive operation is com-
pleted. It is also set “1” if any one of error flags is “1” for the
previous data and the current receive operation is completed. Be
sure to read UART status register to clear the error flags before
the next reception has been completed.
[UART Control Register (UCON)] 0033
16
The UART control register consists of eight control bits for the
UART function. This register can enable the CTS, RTS and UART
address mode.
If the Transmit Enable Bit (TEN) is set to “0” (disabled) while a
data is being transmitted, the transmitting operation will stop after
the data has been transmitted. If the Receive Enable Bit (REN) is
set to “0” (diabled) while a data is being received, the receiving
operation will stop after the data has been received.
When setting the Transmit Initialization Bit (TIN) to “1”, the TEN bit
is set to “0” and the UART status register will be set to “03
16
” after
the data has been transmitted. To retransmit, set the TEN to “1”
and set a data to the transmit buffer register again. The TIN bit will
be cleared to “0” one cycle later after the TIN bit has been set to
“1”.
Setting the Receive Initialization Bit (RIN) to “1” sets all of the
REN, RBF and the receive error flags (PER, FER, OER, SER) to
“0”. The RIN bit will be cleared to “0” one cycle later after the RIN
bit has been set to “1”.
When CTS or RTS function is disabled, pins CTS and RTS
can be
used as ordinary I/O ports, correspondingly.
[UART Transmit/Receive Buffer Registers 1, 2 (UTRB1/
UTRB2)] 0034
16
, 0035
16
The transmit buffer register and the receive buffer register are lo-
cated at the same address. The transmit buffer register is
write-only and the receive buffer register is read-only. If a charac-
ter bit length is 7 bits, the MSB of received data is invalid. If a
character bit length is 7 or 8 bits, the received contents of UTRB2
are also invalid. If a character bit length is 9 bits, the received
high-order 7 bits of UTRB2 are “0”.
[UART RTS Control Register (URTS)] 0036
16
The delay time from the reception of the last stop bit to the asser-
tion of RTS is selectable using the RTS Assertion Delay Count
Select Bits. If the stop bit is detected before RTS assertion delay
time has expired, the RTS pin is kept “H”. The RTS assertion de-
lay count starts after the last data reception is completed.
Setting the RIN bit to “1” resets the URTS. After setting the RIN bit
to “1”, set this URTS.
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PDF描述 |
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| 765-11E | 8 BIT INPUT/OUTPUT EXPANDER, I2C INTERFACE, -40C to +125C, 20-QFN, TUBE |
| 765-11R | 8-bit I/O Expander with I2C Interface., -40C to +125C, 18-SOIC 300mil, TUBE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 764-3"x36yd-Red | 功能描述:膠帶 764 RED 3X36 YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds |
| 764-3"x36yd-White | 功能描述:膠帶 WHITE 3X36YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds |
| 764-3"x36yd-Yellow | 功能描述:膠帶 764 YELLOW 3X36 YD BULK RoHS:否 制造商:3M Electronic Specialty 產(chǎn)品:Tapes 類型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 顏色: 材料:Copper Foil 寬度:1 in x 18 yds |
| 7643_06 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER |
| 76430 | 制造商:Brady Corporation 功能描述:TAPE, BARRICADE, BLACK/PHOSPHORESCENT, 2INX5YD; Tape Type:Safety, Hazard Warning; Tape Backing Material:Polyester Film; Tape Width - Metric:50.8mm; Tape Width - Imperial:2"; Tape Length - Metric:4.572m; Tape Length - Imperial:5yard ;RoHS Compliant: NA |
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