r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 448

• 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
Figure 20.8
• Receive timing example when transfer data is 8 bits long (parity disabled, one stop bit)
U2RIC register
Transfer clock
U2C1 register
U2C1 register
count source
RE bit in
U2BRG
RI bit in
IR bit in
RXD2
RTS2
The above diagram applies under the following conditions:
• PRYE bit in U2MR register = 0 (parity disabled)
• STPS bit in U2MR register = 0 (one stop bit)
• CRD bit in U2C0 register = 0 (CTS/RTS function enabled), CRS bit = 1 (RTS function selected)
Preliminary document
Specifications in this document are tentative and subject to change.
Receive Timing Example in UART Mode
Reception starts when
transfer clock is generated
at falling edge of start bit
Start bit
Low level is determined
D0
Receive data is acquired
D1
Set to 0 by acknowledgment of an interrupt request or by a program
Data load from UART2 receive
register to U2RB register
D7
20. Serial Interface (UART2)
Stop bit
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