r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 410

• 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
19.2.7
U0RIF Bit (UART0 receive interrupt flag)
U0TIF Bit (UART0 transmit interrupt flag)
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 00088h (U0IR_0), 00098h (U0IR_1)
[Conditions for setting to 0]
• When 0 is written to this bit after reading it as 1.
• When an interrupt request from the UART0 is acknowledged by the DTC or interrupt control circuit.
[Condition for setting to 1]
• When the RI bit in the U0C1 register is changed from 0 (data present in the U0RB register) to 1 (no data in the
[Conditions for setting to 0]
• When 0 is written to this bit after reading it as 1.
• When an interrupt request from the UART0 is acknowledged by the DTC or interrupt control circuit.
[Condition for setting to 1]
• When the transmit buffer becomes empty or transmission completes.
Symbol
U0RB register).
Symbol
U0RIE
U0TIE
U0RIF
Bit
U0TIF
UART0 Interrupt Flag and Enable Register (U0IR)
—
—
—
—
Preliminary document
Specifications in this document are tentative and subject to change.
U0TIF
b7
0
Nothing is assigned. The write value must be 0. The read value is 0.
UART0 receive interrupt enable bit
Nothing is assigned. The write value must be 0. The read value is 0.
UART0 receive interrupt flag
UART0 transmit interrupt flag
UART0 transmit interrupt enable bit
U0RIF
b6
0
Bit Name
b5
—
0
b4
—
0
U0TIE
0: Receive interrupt disabled
1: Receive interrupt enabled
0: Transmit interrupt disabled
1: Transmit interrupt enabled
0: No receive interrupt requested
1: Receive interrupt requested
0: No transmit interrupt requested
1: Transmit interrupt requested
b3
0
U0RIE
b2
0
Function
b1
—
0
19. Serial Interface (UART0)
b0
—
0
Page 379 of 725
R/W
R/W
R/W
R/W
R/W
—
—