r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 479

• 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
Figure 22.7
• Receive Timing Example When Transfer Data is 8 Bits Long (Parity Disabled, One Stop Bit)
UiBRG output
Transfer clock
SiRIC register
UiC1 register
UiC1 register
RE bit in
RI bit in
IR bit in
RXDi
The above applies when :
Receive Timing in UART Mode
• PRYE bit in UiMR register = 0 (parity disabled)
• STPS bit in UiMR register = 0 (one stop bit)
i = 0 or 1
Reception starts when a transfer clock is
generated at the falling edge of the start bit.
Start bit
“L” is determined.
D0
Set to 0 when an interrupt request is acknowledged or by a program.
Receive data taken in
D1
Data transfer from UARTi receive register to UiRB register
22. Serial Interface (UARTi (i = 0 or 1))
D7
Stop bit
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