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): 88/173頁
文件大?。?/td> 4203K
代理商: M38001S8-XXXFS
2.3 Serial I/O
2-40
APPLICATION
3800 GROUP USER’S MANUAL
The communication is performed according to the timing shown below. In the slave unit, when a
synchronizing clock is not input within a certain time (heading adjustive time), the next clock input is
processed as the beginning (heading) of a block.
When a clock is input again after one block (8 byte) is received, the clock is ignored.
Figure 2.3.26 shows a setting of related registers.
Fig. 2.3.25 Timing chart [Cyclic transmission or reception of block data between microcomputers]
D
0
Byte cycle
Block transfer period
Block transfer cycle
D
1
D
2
D
7
D
0
Interval between blocks
Processing for heading adjustment
Heading adjustive time
Fig. 2.3.26 Setting of related registers [Cyclic transmission or reception of block data between
microcomputers]
Transmit enabled
Receive enabled
Clock synchronous serial I/O
Serial I/O enabled
SIOCON
Serial I/O control register (Address : 1A
6
)
b7
b0
Synchronous clock : BRG/4
Not use the
S
RDY
output
Transmit interrupt source :
Transmit shift operating completion
0
1
1
1
1
0
0
Master unit
1
BRG count source : f(X
IN
)
Not be effected by external clock
Synchronous clock : External clock
Not use the
S
RDY
output
Transmit enabled
Receive enabled
Clock synchronous serial I/O
Serial I/O enabled
SIOCON
Serial I/O control register (Address : 1A
16
)
b7
b0
Not use the serial I/O transmit interrupt
1
1
1
1
Slave unit
1
0
UARTCON
UART control register (Address : 1B
16
)
b7
P4
5
/T
X
D pin : CMOS output
0
Both of units
b0
7
BRG
b7
b0
Baud rate generator (Address : 1C
16
)
Set “division ratio – 1”
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