r8a66171dd Renesas Electronics Corporation., r8a66171dd Datasheet - Page 13

• Manufacturer Part Number: r8a66171dd
• Description: A2rt Advanced Asynchronous Receiver & Transmitter
• Manufacturer: Renesas Electronics Corporation.

R8A66171DD/SP
TRANSMISSION FORMAT
REJ03F269-0100 Rev.1.00 Feb.19.2008
Page 13 of 22
Block
length
m+1
Transmit format
Parity enabled
CRC enabled
Assembled data format
MCU → R8A66171
Transmitter output
After assembly
MCU → R8A66171
Transmitter output
TxD mark
condition
TxD mark
condition
+
+
Start bit
Start bit
( 1 bit )
( 1 bit )
Start bit
Start bit
Start bit
Start bit
Start bit
( 1 bit )
( 1 bit )
( 1 bit )
( 1 bit )
( 1 bit )
Data character ( 8 bits )
Data character ( 8 bits )
Data character ( 8 bits )
Block check character ( 8 bits )
Block check character ( 8 bits )
Data character ( 8 bits )
Data character ( 8 bits )
Data character ( 8 bits )
Data character ( 8 bits )
Wakeup bit
( nil or 1 bit )
Wakeup bit
( nil or 1 bit )
Wakeup bit
( nil or 1 bit )
Wakeup bit
( nil or 1 bit )
Wakeup bit
( nil or 1 bit )
Wakeup bit
( nil or 1 bit )
Wakeup bit
( nil or 1 bit )
( nil or 1 bit )
( nil or 1 bit )
Parity bit
Parity bit
( 1~2 bits ) + 1
( 1~2 bits ) + 1
( 1~2 bits ) + 1
( 1~2 bits ) + 1
( 1~2 bits ) + 1
Stop bit
Stop bit
Stop bit
Stop bit
Stop bit
( 1~2 bits ) + 1
( 1~2 bits ) + 1
Stop bit
Stop bit