參數(shù)資料
型號: M38001S8-XXXFS
廠商: Mitsubishi Electric Corporation
英文描述: Excalibur JFET-Input High-Output-Drive uPower Operational Amplifier 8-SOIC 0 to 70
中文描述: 8位單片機(jī)
文件頁數(shù): 91/173頁
文件大小: 4203K
代理商: M38001S8-XXXFS
APPLICATION
2.3 Serial I/O
2-43
3800 GROUP USER’S MANUAL
(4) Communication (transmit/receive) using an asynchronous serial I/O (UART)
Point :
2-byte data is transmitted and received through an asynchronous serial I/O.
The port P4
0
is used for communication control.
Figure 2.3.29 shows a connection diagram, and Figure 2.3.30 shows a timing chart.
Fig. 2.3.29 Connection diagram [Communication using UART]
Specifications :
The Serial I/O is used (UART is selected).
Transfer bit rate : 9600 bps (f(X
IN
) = 4.9152 MHz is divided by 512)
Communication control using port P4
0
(The output level of the port P4
0
is controlled by softoware.)
2-byte data is transferred from the transmitting side to the receiving side at inter-
vals of 10 ms (generated by timer).
Fig. 2.3.30 Timing chart [Communication using UART]
Transmitting side
P4
0
3800 group
P4
0
3800 group
Receiving side
T
X
D
X
D
P4
0
T
X
D
10 ms
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
ST
SP(2)
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
ST
SP(2)
D
0
ST
R
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