r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 441

• 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
20.3
20.3.1
Table 20.6
Note:
U2TB
U2RB
U2BRG
U2MR
U2C0
U2C1
U2SMR3
1. Write 0 to bits that are not listed above when writing in clock synchronous serial I/O mode.
Register
In clock synchronous serial I/O mode, data is transmitted and received using a transfer clock.
Table 20.6 lists the Registers and Settings Used in Clock Synchronous Serial I/O Mode
Figure 20.3 shows the Transmit and Receive Timing in Clock Synchronous Serial I/O Mode.
(1)
Operation
Clock Synchronous Serial I/O Mode (SIO mode)
Preliminary document
Specifications in this document are tentative and subject to change.
Registers and Settings Used in Clock Synchronous Serial I/O Mode
b0 to b7
b0 to b7
OER
b0 to b7
SMD2 to SMD0
CKDIR
IOPOL
CLK0, CLK1
CRS
TXEPT
CRD
NCH
CKPOL
UFORM
TE
TI
RE
RI
U2IRS
U2RRM
U2LCH
NODC
Bit
Set transmit data.
Receive data can be read.
Overrun error flag
Set the bit rate.
Set to 001b.
Select an internal clock or external clock.
Set to 0.
Select the U2BRG count source.
Select either the CTS or RTS function, if using.
Transmit register empty flag
Enable or disable the CTS or RTS function.
Select the output format of the TXD2 pin.
Select the polarity of the transfer clock.
Select LSB first or MSB first.
Set to 1 to enable transmission/reception.
Transmit buffer empty flag
Set to 1 to enable reception.
Reception complete flag
Select the UART2 transmit interrupt source.
Set to 1 to use continuous receive mode.
Set to 1 to use inverted data logic.
Select the clock output format.
Function
20. Serial Interface (UART2)
(1)
.
(1)
Page 410 of 725