參數(shù)資料
型號(hào): M38001S3-XXXFS
廠商: Mitsubishi Electric Corporation
英文描述: Excalibur Low-Noise High-Speed Precision Quad Operational Amplifier 14-PDIP
中文描述: 8位單片機(jī)
文件頁數(shù): 94/173頁
文件大小: 4203K
代理商: M38001S3-XXXFS
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
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
Receiving side
Serial I/O status register (Address : 19
16
)
BRG
7
Serial I/O control register (Address : 1A
16
)
SIOCON
UARTCON
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(X
IN
)/4
Serial I/O synchronous clock selection bit : BRG/16
S
RDY
output enable bit : Not use
S
RDY
out
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
UART control register (Address : 1B
16
)
Character length selection bit :
8 bits
Parity enable bit : Parity checking disabled
Stop bit length selection bit : 2 stop bits
Baud rate generator (Address : 1C
16
)
f(X
IN
)
Transfer bit rate
16
m
when bit 0 of the Serial I/O control register (Address : 1A
16
) is set to “0,”
a value of m is 1.
when bit 0 of the Serial I/O control register (Address : 1A
16
) is set to “1,”
a value of m is 4.
– 1
Set
6
6
1
0 1
0
0 0 1
0 0
1
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