參數(shù)資料
型號(hào)： M37906M8C-XXXFP
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PDSO42
封裝： 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件頁(yè)數(shù)： 54/101頁(yè)
文件大?。?/td> 766K
代理商： M37906M8C-XXXFP
56
M37906M4C-XXXFP, M37906M4C-XXXSP, M37906M4H-XXXFP
M37906M4H-XXXSP, M37906M6C-XXXFP, M37906M6C-XXXSP
M37906M8C-XXXFP, M37906M8C-XXXSP
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Som
e param
etric
lim
its 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 62 shows the connection relation.
Fig. 62 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
DB7
Data bus
D7
D6
D5
D4
D3
D2
D1
D0
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Transmit buffer
register
DB7
Data bus
D7
D6
D5
D4
D3
D2
D1
D0
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Receive buffer
register
DB7
Data bus
D7
D6
D5
D4
D3
D2
D1
D0
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Receive buffer
register
DB7
Data bus
D7
D6
D5
D4
D3
D2
D1
D0
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Precautions for clock synchronous serial
communication
In the clock synchronous serial communication, the separate func-
tion for CTSi/RTSi 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 and 3
of the serial I/O pin control register (address AC16) to “00”.
相關(guān)PDF資料
PDF描述
M37906M6C-XXXSP 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PDIP42
M37906M4C-XXXFP 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PDSO42
M37906M4C-XXXSP 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PDIP42
M37906M4H-XXXSP 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PDIP42
M37920F8MHP 16-BIT, FLASH, 26 MHz, MICROCONTROLLER, PQFP100
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37906M8C-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:16-BIT CMOS MICROCOMPUTER
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