r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 409

• Manufacturer Part Number: r5f21368sdfp
• Description: Renesas Mcu R8c Family / R8c/3xt-a Series
• Manufacturer: Renesas Electronics Corporation.

Under development
R8C/36T-A Group
R01UH0240EJ0001 Rev.0.01
Apr 28, 2011
19.2.6
Note:
After Reset
After Reset
b10
b12
b13
b14
b15
b11
1. Bits OER, FER, PER, and SUM are set to 0 (no error) when bits SMD2 to SMD0 in the U0MR register are set to
Bit
b0
b1
b2
b3
b4
b5
b6
b7
b8
b9
Address 00086h (U0RB_0), 00096h (U0RB_1)
000b (serial interface disabled) or the RE bit in the U0C1 register is set to 0 (reception disabled).
The SUM bit is set to 0 (no error) when all of bits OER, FER, and PER are set to 0 (no error). In addition, bits
FER and PER are set to 0 when the higher byte is read.
The U0RB register must be read in 16-bit units.
Symbol
Symbol
Symbol
Bit
Bit
OER
SUM
PER
FER
UART0 Receive Buffer Register (U0RB)
—
—
—
—
—
—
—
—
—
—
—
—
Preliminary document
Specifications in this document are tentative and subject to change.
SUM
b15
b7
—
X
X
Receive data
Nothing is assigned. The write value must be 0. The read value is undefined.
Overrun error flag
Framing error flag
Parity error flag
Error sum flag
PER
b14
b6
—
X
X
Bit Name
(1)
(1)
(1)
(1)
FER
b13
b5
—
X
X
OER
b12
b4
—
X
X
0: No overrun error
1: Overrun error
0: No framing error
1: Framing error
0: No parity error
1: Parity error
0: No error
1: Error
b11
b3
—
—
X
X
b10
b2
—
—
X
X
Function
b1
b9
—
—
X
X
19. Serial Interface (UART0)
b0
b8
—
—
X
X
Page 378 of 725
R/W
—
R
R
R
R
R
R
R
R
R
R
R
R
R