M30622SAFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30622SAFP Datasheet - Page 112

• Manufacturer Part Number: M30622SAFP
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Serial I/O
112
Figure 1.16.6. Serial I/O-related registers (3)
UARTi transmit/receive control register 0
UART2 transmit/receive control register 0
b7
b7
b6
b6
b5
b5
b4
b4
b3
b3
b2
b2
b1
b1
b0
b0
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 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.
UFORM Transfer format select bit
UFORM Transfer format select bit
Nothing is assigned.
In an attempt to write to this bit, write “0”. The value, if read, turns out to be “0”.
CKPOL
symbol
symbol
TXEPT
CKPOL
TXEPT
CLK0
CLK1
CLK0
CLK1
CRS
CRD
CRS
CRD
NCH
Bit
Bit
UiC0(i=0,1)
Symbol
Symbol
U2C0
(Note 3)
BRG count source
select bit
CTS/RTS function
select bit
Transmit register empty
flag
CTS/RTS disable bit
Data output select bit
CLK polarity select bit
BRG count source
select bit
CTS/RTS function
select bit
Transmit register empty
flag
CTS/RTS disable bit
CLK polarity select bit
Bit name
Bit name
03A4
Address
Address
037C
16
, 03AC
16
Valid when bit 4 = “0”
0 : CTS function is selected (Note 1)
1 : RTS function is selected (Note 2)
0 : Data present in transmit
1 : No data present in transmit
0 : Data present in transmit
1 : No data present in transmit
0 0 : f
0 1 : f
1 0 : f
1 1 : Inhibited
0 : CTS/RTS function enabled
1 : CTS/RTS function disabled
0 : TXDi pin is CMOS output
1 : TXDi pin is N-channel
0 : Transmit data is output at
1 : Transmit data is output at
0 : LSB first
1 : MSB first
b1 b0
0 0 : f
0 1 : f
1 0 : f
1 1 : Inhibited
Valid when bit 4 = “0”
0 : CTS function is selected (Note 1)
1 : RTS function is selected (Note 2)
0 : CTS/RTS function enabled
1 : CTS/RTS function disabled
0 : TXDi pin is CMOS output
1 : TXDi pin is N-channel
0 : Transmit data is output at
1 : Transmit data is output at
0 : LSB first
1 : MSB first
b1 b0
(During clock synchronous
(During clock synchronous
register (during transmission)
register (during transmission)
register (transmission
completed)
open-drain output
register (transmission
completed)
open-drain output
16
(P6
programmable I/O port)
falling edge of transfer clock
and receive data is input at
rising edge
rising edge of transfer clock
and receive data is input at
falling edge
falling edge of transfer clock
and receive data is input at
rising edge
rising edge of transfer clock
and receive data is input at
falling edge
(P7
programmable I/O port)
1
8
32
1
8
32
0
3
serial I/O mode)
serial I/O mode)
When reset
is selected
is selected
When reset
is selected
is selected
and P6
functions
is selected
is selected
Function
Function
08
08
16
16
4
function as
b1 b0
Must always be “0”
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
0 0 : f
0 1 : f
1 0 : f
1 1 : Inhibited
0 : Data present in transmit register
1 : No data present in transmit
0 : CTS/RTS function enabled
1 : CTS/RTS function disabled
0: TXDi pin is CMOS output
1: TXDi pin is N-channel
Must always be “0”
0 0 : f
0 1 : f
1 0 : f
1 1 : Inhibited
0 : Data present in transmit register
1 : No data present in transmit
0 : CTS/RTS function enabled
1 : CTS/RTS function disabled
0: TXDi pin is CMOS output
1: TXDi pin is N-channel
Must always be “0”
0 : LSB first
1 : MSB first
Valid when bit 4 = “0”
0 : CTS function is selected (Note 1)
1 : RTS function is selected (Note 2)
b1 b0
Valid when bit 4 = “0”
0 : CTS function is selected (Note 1)
1 : RTS function is selected (Note 2)
open-drain output
open-drain output
(during transmission)
register (transmission completed)
(during transmission)
register (transmission completed)
(P6
programmable I/O port)
(P7
I/O port)
(During UART mode)
1
8
32
(During UART mode)
1
8
32
0
3
is selected
is selected
is selected
is selected
and P6
functions programmable
is selected
is selected
Function
Function
4
function as
M16C / 62A Group
Mitsubishi microcomputers
R
R
W
W