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參數(shù)資料
| 型號(hào)： | ST6228CN6 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | ER 5C 5#16S PIN RECP WALL |
| 中文描述： | 8位單片機(jī)與微控制器/ D轉(zhuǎn)換器，自動(dòng)重加載定時(shí)器，UART的秘書(shū)長(zhǎng)辦公室，安全復(fù)位和28引腳封裝 |
| 文件頁(yè)數(shù)： | 55/84頁(yè) |
| 文件大?。?/td> | 561K |
| 代理商： | ST6228CN6 |
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ST62T28C/E28C
U. A. R. T
(Cont’d)
UART Control Register (UARTCR)
Address: D7h, Read/Write
Bit 7 =
RXRDY.
Receiver Ready. This flag be-
comes active as soon as a complete byte has
been received and copiedinto the receive buffer. It
may be cleared by writing a zero to it. Writing a
one is possible. If the interrupt enable bit RXIEN is
set to one, a software interrupt will be generated.
Bit 6 =
TXMT.
Transmitter Empty This flag be-
comes active as soon as a complete byte has
been sent. It maybe cleared by writing a zero to it.
It isautomatically cleared by the action of writing a
data value into the UART data register.
Bit 5 =
RXIEN.
Receive Interrupt Enable. When
this bit is set to 1, the receive interrupt is enabled.
Writing to RXIEN does not affect the status of the
interrupt flag RXRDY.
Bit 4 =
TXIEN.
Transmit Interrupt Enable When
this bit is set to 1, the transmitinterrupt is enabled.
Writing to TXIEN does not affect the status of the
interrupt flag TXRDY.
Bit 3-1=
BR2..BR0
. Baudrate select These bits
select the operating baud rate of the UART, de-
pending onthe frequency of fOSC. Care should be
taken not to change these bits during communica-
tion as writing to these bits has an immediate ef-
fect.
Bit 0 =
PTYEN
. Parity/Data Bit 8 The function of
this bit depens on the MCU option set. In 11-bit
frame mode, it is the 9th bit of the trasmitted/re-
ceived character. In 10-bit frame mode, writing a 1
enables the automatic even parity computation,
while a read instruction after reception gives the
parity of the whole 8 bit word received. For the
even parity, a 0 value means no parity error.
Note
: As the PTYEN bit is modified in reception, it
must be to set to 1 before transmission if a recep-
tion occured in between.
7
0
RXRDY TXMT RXIEN TXIEN
BR2
BR1
BR0
PTYEN
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST6228CN6/XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| ST622X | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8/16-Bit Micros |
| ST622XC-KIT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:STARTER KIT DATASHEET FOR ST620X. ST621X AND ST622X |
| ST622XC-KIT/110 | 功能描述:開(kāi)發(fā)板和工具包 - 其他處理器 ST622X Starter Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| ST622XC-KIT/UK | 制造商:STMicroelectronics 功能描述:ST620 ST621 RS232 STARTER KIT |
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