參數(shù)資料
型號(hào)： M37905M6C-XXXSP
廠商： Mitsubishi Electric Corporation
英文描述： DIO, BAT54C, DUAL SHOTTKEY, COMMON CATHODE, SOT23
中文描述： 16位CMOS微機(jī)
文件頁數(shù)： 61/102頁
文件大?。?/td> 881K
代理商： M37905M6C-XXXSP
61
M37905M4C-XXXFP, M37905M4C-XXXSP
M37905M6C-XXXFP, M37905M6C-XXXSP
M37905M8C-XXXFP, M37905M8C-XXXSP
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Selection of transfer format
In clock synchronous serial communication, transfer format can be
selected by bit 7 of the transmit/receive control register 0. When bit 7
is
“
0
”
, transfer format is LSB first. When bit 7 is
“
1
”
, transfer format is
MSB first.
This function is realized by changing connection relation between
the transmit buffer register and the receive buffer register when writ-
ing transmit data to the transmit buffer register or reading receive
data from the receive buffer register. Accordingly, the transmitter
’
s
operation is the same in both transfer formats.
Figure 68 shows the connection relation.
Fig. 68 Connection relation between transmit buffer register, receive buffer register, and data bus
Bit 7 in transmit/receive
control register 0
Write to transmit
buffer register
Read from receive
buffer register
0
(LSB first)
1
(MSB first)
Transmit buffer
register
DB
7
Data bus
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
DB
6
DB
5
DB
4
DB
3
DB
2
DB
1
DB
0
Transmit buffer
register
DB
7
Data bus
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
DB
6
DB
5
DB
4
DB
3
DB
2
DB
1
DB
0
Receive buffer
register
DB
7
Data bus
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
DB
6
DB
5
DB
4
DB
3
DB
2
DB
1
DB
0
Receive buffer
register
DB
7
Data bus
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
DB
6
DB
5
DB
4
DB
3
DB
2
DB
1
DB
0
Precautions for clock synchronous serial
communication
In the clock synchronous serial communication, the separate func-
tion for CTS
i
/RTS
i
cannot be selected. Furthermore, when an inter-
nal clock is selected, RTS output is undefined. Therefore, do not use
the RTS function.
Before transmit operation is performed, be sure to clear bits 2, 3 and
5 of the serial I/O pin control register (address AC
16
) to
“
00
”
.
相關(guān)PDF資料
PDF描述
M37905M8C-XXXFP 16 BIT CMOS MICROCOMPUTER
M37905M8C-XXXSP DIODE SCHOTTKY DUAL COMMON-CATHODE 25V 200mW 0.32V-vf 200mA-IFM 1mA-IF 2uA-IR SOT-23 3K/REEL
M37906F8CFP 16-BIT CMOS MICROCOMPUTER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37905M8C-XXXFP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:16 BIT CMOS MICROCOMPUTER
M37905M8C-XXXSP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:16 BIT CMOS MICROCOMPUTER
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