參數(shù)資料
型號(hào): M38002M4DXXXFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁數(shù): 170/174頁
文件大?。?/td> 1752K
代理商: M38002M4DXXXFP
2.3 Serial I/O
2-46
APPLICATION
3800 GROUP USER’S MANUAL
Fig. 2.3.32 Setting of related registers at a receiving side [Communication using UART]
b7
b0
b7
b0
b7
b0
SIOSTS
b7
b0
Receive buffer full flag
Receiving side
Serial I/O status register (Address : 1916)
BRG
7
Serial I/O control register (Address : 1A16)
SIOCON
UARTCON
Check a completion of receiving 1-byte data with this flag.
“1” : at completing to receive
“0” : at reading out a content of the Receive buffer register
Overrun error flag
“1” : when data are ready to be transferred to the Receive
shift register in the state of storing data into the Receive
buffer register.
Parity error flag
“1” : when parity error occurs at enabled parity.
Framing error flag
“1” : when data can not be received at the timing of setting
a stop bit.
Summing error flag
“1” : when even one of the following errors occurs.
Overrun error
Parity error
Framing error
BRG count source selection bit : f(XIN)/4
Serial I/O synchronous clock selection bit : BRG/16
Transmit enable bit : Transmit disabled
Receive enable bit : Receive enabled
Serial I/O mode selection bit : Asynchronous serial I/O(UART)
Serial I/O enable bit : Serial I/O enabled
SRDY
output enable bit : Not use SRDY out
UART control register (Address : 1B16)
Character length selection bit : 8 bits
Parity enable bit : Parity checking disabled
Stop bit length selection bit : 2 stop bits
Baud rate generator (Address : 1C16)
f(XIN)
Transfer bit rate ! 16 ! m
– 1
Set
when bit 0 of the Serial I/O control register (Address : 1A16) is set to “0,”
a value of m is 1.
when bit 0 of the Serial I/O control register (Address : 1A16) is set to “1,”
a value of m is 4.
T
10 10
0 0 1
00
1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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