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參數(shù)資料
| 型號(hào)： | M38020M1D192SS |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Single Output LDO, 800mA, Fixed(2.5V), Internal Current limit, Thermal Overload Protection 4-SOT-223 -40 to 125 |
| 中文描述： | 8位單片機(jī) |
| 文件頁(yè)數(shù)： | 11/207頁(yè) |
| 文件大?。?/td> | 2389K |
| 代理商： | M38020M1D192SS |
APPLICATION
2.3 Serial I/O
2-51
3802 GROUP USER’S MANUAL
Control procedure : Figure 2.3.40 shows a control procedure at a transmitting side, and Figure 2.3.41
shows a control procedure at a receiving side.
Fig. 2.3.40 Control procedure at a transmitting side [Communication using UART]
SIO1STS (Address : 1916), bit0?
RESET
End of communication
(Address : 1A16)
(Address : 1B16)
(Address : 1C16)
(Address : 0816), bit0
(Address : 0916)
P4 (Address : 0816), bit0
1
Pass 10 ms?
Y
N
TB/RB (Address : 1816)
The second byte of
a transmission data
1
0
SIO1STS (Address : 1916), bit2?
1
0
Initialization
SIO1CON
UARTCON
BRG
P4
P4D
1001X0012
000010002
8– 1
.....
TB/RB (Address : 1816)
The first byte of a
transmission data
P4 (Address : 0816), bit0
0
1
0
X : This bit is not used in this application.
Set it to “0” or “1.” It’s value can be disregarded.
Set port P40 for a communication control.
An interval of 10 ms is generated by a timer.
Start of communication.
Write a transmission data
The Transmit buffer empty flag is set to “0”
by this writing.
Write a transmission data
The Transmit buffer empty flag is set to “0”
by this writing.
Check to be transferred data from the Transmit
buffer register to the Transmit shift register.
(Transmit buffer empty flag)
Check to be transferred data from the Transmit
buffer register to the Transmit shift register.
Check a shift completion of the Transmit shift register.
(Transmit shift register shift completion flag)
SIO1STS (Address : 1916), bit0?
0
XXXXXXX12
q
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