r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 476

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Table 22.6
i = 0 or 1
Notes:
UiTB
UiRB
UiBRG
UiMR
UiC0
UiC1
1. The bits used for transmission/receive data are as follows:
2. The contents of the following are undefined:
Register
- Bits 7 and 8 when the transfer data is 7 bits long
- Bit 8 when the transfer data is 8 bits long
- Bits b0 to b6 when transfer data is 7 bits long
- Bits b0 to b7 when transfer data is 8 bits long
- Bits b0 to b8 when transfer data is 9 bits long
Registers Used and Settings in UART Mode
b0 to b8
b0 to b8
OER,FER,PER,SUM
b0 to b7
SMD2 to SMD0
CKDIR
STPS
PRY, PRYE
CLK0, CLK1
TXEPT
NCH
CKPOL
UFORM
TE
TI
RE
RI
UiIRS
UiRRM
Bit
Set transmit data.
Receive data can be read.
Error flag
Set a bit rate.
Set to 100b when transfer data is 7 bits long.
Set to 101b when transfer data is 8 bits long.
Set to 110b when transfer data is 9 bits long.
Select the internal clock or external clock.
Select the stop bit.
Select whether parity is included and whether odd or even.
Select the count source for the UiBRG register.
Transmit register empty flag
Select TXDi pin output mode.
Set to 0.
Select LSB first or MSB first when transfer data is 8 bits long.
Set to 0 when transfer data is 7 bits or 9 bits long.
Set to 1 to enable transmission.
Transmit buffer empty flag
Set to 1 to enable reception.
Receive complete flag
Select the UARTi transmit interrupt source.
Set to 0.
(1)
(2)
Function
22. Serial Interface (UARTi (i = 0 or 1))
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