M30240ECFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30240ECFP Datasheet - Page 86

• Manufacturer Part Number: M30240ECFP
• Description: M30240 Group Specification
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Specifications in this manual are tentative and subject to change
UART0 through UART2
Figure 1.77: Serial I/O-related registers (1)
(b15)
UARTi receive buffer register
b7
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
symbol
Nothing is assigned.
These bits can neither be set nor reset. When read, the value of these bits is “0”.
Transmit data
Nothing is assigned.
These bits can neither be set nor reset. When read, their contents are indeterminate.
OER
FER
PER
SUM
Bit
Assuming that set value = n, BRGi divides the count source by
n + 1
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
Overrun error flag (Note 1)
Framing error flag (Note 1)
Parity error flag (Note 1)
Error sum flag (Note 1)
16
Symbol
U0TB
U1TB
U2TB
and 0378
Symbol
1-86
U0BRG
U1BRG
U2BRG
Symbol
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
U0RB
U1RB
U2RB
Bit name
16
) are set to “000
03AB
03AF
03A3
037B
03A7
037F
Function
Address
Address
16
16
16
16
16
16
Address
, 03A2
, 03AA
, 037A
, 03A6
, 03AE
, 037E
03A1
03A9
0379
0 : No overrun error
1 : Overrun error found
Invalid
Invalid
Invalid
(During clock synchronous
Receive data
16
16
16
16
16
16
16
16
16
2
” or the receive enable bit is set to “0”.
Function
serial I/O mode)
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Function
When reset
When reset
Indeterminate
Indeterminate
Indeterminate
When reset
0 : No overrun error
1 : Overrun error found
0 : No framing error
1 : Framing error found
0 : No parity error
1 : Parity error found
0 : No error
1 : Error found
Mitsubishi microcomputers
Receive data
16
(During UART mode)
, 03AE
Values that can be set
M30240 Group
Function
16
00
and 037E
16
to FF
16
16
) is read out.
R
R
W
W
R
W
16
,