参数资料
型号: M38002E4FP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP64
封装: 14 X 14 MM, PLASTIC, QFP-64
文件页数: 170/173页
文件大小: 4203K
代理商: M38002E4FP
2.3 Serial I/O
2-48
APPLICATION
3800 GROUP USER’S MANUAL
Fig. 2.3.34 Control procedure at a receiving side [Communication using UART]
RESET
(Address : 1A16)
(Address : 1B16)
(Address : 1C16)
(Address : 0916)
Check a completion of receiving.
(Receive buffer full flag)
SIOSTS (Address : 1916 ), bit1?
1
0
Read out a reception data
from RB (Address : 1816)
SIOSTS (Address : 1916 ), bit6?
0
1
Initialization
SIOCON
UARTCON
BRG
P4D
1010X0012
000010002
8 —1
XXXXXXX02
....
SIOSTS (Address : 1916 ), bit1?
1
0
Check an error falag.
SIOSTS (Address : 1916 ), bit6?
0
1
P4 (Address : 0816 ), bit0?
0
1
SIOCON (Address : 1A16 )
0000X0012
1010X0012
Read out a reception data
from RB (Address : 1816 )
Receive the first 1 byte data
A Receive buffer full flag is set
to “0” by reading data.
Check a completion of receiving.
(Receive buffer full flag)
Receive the second byte data
A Receive buffer full flag is set
to “0” by reading data.
Check an error flag.
Countermeasure for a bit slippage
X : This bit is not used in this application.
Set it to “0” or “1.” It’s value can be disregarded.
q
Processing for error
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