參數(shù)資料
型號(hào)： M37753M8C-XXXFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 40 MHz, MICROCONTROLLER, PQFP80
封裝： PLASTIC, QFP-80
文件頁數(shù)： 54/110頁
文件大?。?/td> 1439K
代理商： M37753M8C-XXXFP
47
MITSUBISHI MICROCOMPUTERS
M37753M8C-XXXFP, M37753M8C-XXXHP
M37753S4CFP, M37753S4CHP
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
CLOCK SYNCHRONOUS SERIAL COMMUNI-
CATION
A case where communication is performed between two clock syn-
chronous serial I/O ports as shown in Figure 59 will be described.
(The transmission side will be denoted by subscript j and the receiv-
ing side will be denoted by subscript k.)
Bit 0 of the UARTj Transmit/Receive mode register and UARTk
Transmit/Receive mode register must be set to “1” and bits 1 and 2
must be “0”. The length of the transmission data is fixed at 8 bits.
Bit 3 of the UARTj Transmit/Receive mode register of the clock send-
ing side is cleared to “0” to select the internal clock. Bit 3 of the
UARTk Transmit/Receive mode register of the clock receiving side is
set to “1” to select the external clock. Bits 4, 5 and 6 are ignored in
clock synchronous mode. Bit 7 must always be “0”.
The clock source is selected by bit 0 (TCS0) and bit 1 (TCS1) of the
clock-sending-side UARTj Transmit/Receive control register 0. As
shown in Figure 54, the selected clock is divided by (n+1), then by 2,
is passed through a transmission control circuit, and is output as
transmission clock CLKj. Therefore, when the selected clock is Pfi,
Bit Rate = Pfi/ {(n+1)
×2}
On the clock receiving side, the TCS0 and TCS1 bits of the UARTk
Transmit/Receive control register 0 are ignored because an external
clock is selected.
Bit 2 of the clock-sending-side UARTj Transmit/Receive control reg-
ister 0 is cleared to “0” to select CTSj input. Bit 2 of the clock receiv-
ing side is set to “1” to select RTSk output.
Bit 4 of the UART Transmit/Receive control register 0 is used to de-
termine whether to use CTS or RTS signal. Bit 4 must be “0” when
CTS or RTS signal is used. Bit 4 must be “1” when CTS and RTS sig-
nals are not used. When CTS and RTS signals are not used, CTS/
RTS pin can be used as a normal port. The case using CTS and RTS
signals are explained below. However, when CTS and RTS signals
are not used, there are no condition of CTSj input, and there is no
RTSk output.
Fig. 59 Clock synchronous serial communication
UARTj transmit register
TxDj
RxDj
CLKj
CTSj
UARTj transmit buffer register
UARTj receive buffer register
UARTj receive register
UARTj Transmit/Receive mode register
UARTj Transmit/Receive control
register 0
UARTj Transmit/Receive control
register 1
0
××
×
00
0
TX
EPTY
TCS1 TCS0
RE
RI
OER
FER
PER
SUM
TI
TE
0
UARTk transmit register
UARTk transmit buffer register
UARTk receive buffer register
UARTk receive register
UARTk Transmit/Receive mode register
UARTk Transmit/Receive control
register 0
UARTk Transmit/Receive control
register 1
0
××
×
××
11
0
1
TX
EPTY
MSB
/LSB
RE
RI
OER
FER
PER
SUM
TI
TE
0
1
TxDk
RxDk
CLKk
RTSk
MSB
/LSB
相關(guān)PDF資料
PDF描述
M37753S4CFP 16-BIT, 40 MHz, MICROCONTROLLER, PQFP80
M37753S4CFP 16-BIT, 40 MHz, MICROCONTROLLER, PQFP80
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37753M8C-XXXHP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M37753S4CFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M37753S4CHP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M37754 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16BIT CMOS MICROCOMPUTER
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