M30622SAFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30622SAFP Datasheet - Page 110
M30622SAFP
Manufacturer Part Number
M30622SAFP
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheet
1.M30622SAFP.pdf
(274 pages)
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Serial I/O
110
Figure 1.16.4. Serial I/O-related registers (1)
(b15)
b7
UARTi receive buffer register
UARTi transmit buffer register
b7
(b15)
b7
UARTi bit rate generator
(b8)
(b8)
b0
b0
b0
b7
b7
Note 1: Bits 15 through 12 are set to “0” when the serial I/O mode select bit (bits 2 to 0 at addresses 03A0
Note 2: Arbitration lost detecting flag is allocated to U2RB and noting but “0” may be written. Nothing is
symbol
Transmit data
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be “0”.
SUM
Assuming that set value = n, BRGi divides the count source by
n + 1
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turn out to be indeterminate.
FER
PER
OER
ABT
Bit
b0
b0
03A8
(Bit 15 is set to “0” when bits 14 to 12 all are set to “0”.) Bits 14 and 13 are also set to “0” when the
lower byte of the UARTi receive buffer register (addresses 03A6
assigned in bit 11 of U0RB and U1RB. These bits can neither be set or reset. When read, the value
of this bit is “0”.
Arbitration lost detecting
flag (Note 2)
Overrun error flag (Note 1)
Parity error flag (Note 1)
Error sum flag (Note 1)
Framing error flag (Note 1)
16
Symbol
Symbol
U0TB
U1TB
U2TB
U0BRG
U1BRG
U2BRG
and 0378
Symbol
U0RB
U1RB
U2RB
Bit name
16
) are set to “000
03AB
03A3
037B
03AF
03A7
Function
037F
Address
Address
Address
03A1
03A9
0379
16
16
16
16
16
16
, 03A2
, 03AA
, 037A
, 03A6
, 03AE
, 037E
16
16
16
Invalid
0 : Not detected
1 : Detected
0 : No overrun error
1 : Overrun error found
Invalid
Invalid
Receive data
(During clock synchronous
16
16
16
16
16
2
16
” or the receive enable bit is set to “0”.
Function
serial I/O mode)
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Function
When reset
When reset
When reset
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
0 : No framing error
1 : Framing error found
0 : No parity error
1 : Parity error found
0 : No error
1 : Error found
Invalid
0 : No overrun error
1 : Overrun error found
Receive data
Values that can be set
16
(During UART mode)
, 03AE
00
Function
16
16
and 037E
to FF
M16C / 62A Group
Mitsubishi microcomputers
16
16
) is read out.
R
R
R
W
W
W
16
,
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