参数资料
型号: M30623MCV-XXXGP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80
封装: PLASTIC, QFP-80
文件页数: 23/188页
文件大小: 3064K
代理商: M30623MCV-XXXGP
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118
Mitsubishi microcomputers
M16C / 62T Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Serial I/O
UARTi transmit/receive control register 0
Symbol
Address
When reset
UiC0(i=0,1)
03A416, 03AC16
0816
b7
b6
b5
b4
b3
b2
b1
b0
Function
(During UART mode)
W
R
Function
(During clock synchronous
serial I/O mode)
TXEPT
CLK1
CLK0
CRS
CRD
NCH
CKPOL
BRG count source
select bit
Transmit register empty
flag
0 : Transmit data is output at
falling edge of transfer clock
and receive data is input at
rising edge
1 : Transmit data is output at
rising edge of transfer clock
and receive data is input at
falling edge
CLK polarity select bit
CTS/RTS function
select bit
CTS/RTS disable bit
Data output select bit
0 0 : f1 is selected
0 1 : f8 is selected
1 0 : f32 is selected
1 1 : Inhibited
b1 b0
0 : LSB first
1 : MSB first
0 : Data present in transmit
register (during transmission)
1 : No data present in transmit
register (transmission
completed)
0 : CTS/RTS function enabled
1 : CTS/RTS function disabled
(P60 and P64 function as
programmable I/O port)
0 : TXDi pin is CMOS output
1 : TXDi pin is N-channel
open-drain output
UFORM Transfer format select bit
0 0 : f1 is selected
0 1 : f8 is selected
1 0 : f32 is selected
1 1 : Inhibited
b1 b0
Valid when bit 4 = “0”
0 : CTS function is selected (Note 1)
1 : RTS function is selected (Note 2)
Valid when bit 4 = “0”
0 : CTS function is selected (Note 1)
1 : RTS function is selected (Note 2)
0 : Data present in transmit register
(during transmission)
1 : No data present in transmit
register (transmission completed)
0: TXDi pin is CMOS output
1: TXDi pin is N-channel
open-drain output
Must always be “0”
Bit name
Bit
symbol
Must always be “0”
Note 1: Set the corresponding port direction register to “0”.
Note 2: The settings of the corresponding port register and port direction register are invalid.
0 : CTS/RTS function enabled
1 : CTS/RTS function disabled
(P60 and P64 function as
programmable I/O port)
UART2 transmit/receive control register 0
Symbol
Address
When reset
U2C0
037C16
0816
b7
b6
b5
b4
b3
b2
b1
b0
Function
(During UART mode)
W
R
Function
(During clock synchronous
serial I/O mode)
TXEPT
CLK1
CLK0
CRS
CRD
CKPOL
BRG count source
select bit
Transmit register empty
flag
0 : Transmit data is output at
falling edge of transfer clock
and receive data is input at
rising edge
1 : Transmit data is output at
rising edge of transfer clock
and receive data is input at
falling edge
CLK polarity select bit
CTS/RTS function
select bit
CTS/RTS disable bit
0 0 : f1 is selected
0 1 : f8 is selected
1 0 : f32 is selected
1 1 : Inhibited
b1 b0
0 : LSB first
1 : MSB first
0 : Data present in transmit
register (during transmission)
1 : No data present in transmit
register (transmission
completed)
0 : CTS/RTS function enabled
1 : CTS/RTS function disabled
(P73 functions
programmable I/O port)
0 : TXDi pin is CMOS output
1 : TXDi pin is N-channel
open-drain output
UFORM Transfer format select bit
(Note 3)
0 0 : f1 is selected
0 1 : f8 is selected
1 0 : f32 is selected
1 1 : Inhibited
b1 b0
Valid when bit 4 = “0”
0 : CTS function is selected (Note 1)
1 : RTS function is selected (Note 2)
Valid when bit 4 = “0”
0 : CTS function is selected (Note 1)
1 : RTS function is selected (Note 2)
0 : Data present in transmit register
(during transmission)
1 : No data present in transmit
register (transmission completed)
0: TXDi pin is CMOS output
1: TXDi pin is N-channel
open-drain output
Must always be “0”
Bit name
Bit
symbol
Note 1: Set the corresponding port direction register to “0”.
Note 2: The settings of the corresponding port register and port direction register are invalid.
Note 3: Only clock synchronous serial I/O mode and 8-bit UART mode are valid.
Note 4: In M30623(80-pin package), these bits are invalid, because CLK2 and CTS2/RTS2 have
no external pin.
Note 5: In M30623(80-pin package), do not use UART2 as clock synchronous serial I/O.
0 : CTS/RTS function enabled
1 : CTS/RTS function disabled
(P73 functions programmable
I/O port)
Nothing is assigned.
In an attempt to write to this bit, write “0”. The value, if read, turns out to be “0”.
0 : LSB first
1 : MSB first
(Note 5)
(Note 4)
Figure 1.19.6. Serial I/O-related registers (3)
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