R8A66171SP RENESAS [Renesas Technology Corp], R8A66171SP Datasheet - Page 13

• Manufacturer Part Number: R8A66171SP
• Description: A2RT (ADVANCED ASYNCHRONOUS RECEIVER & TRANSMITTER)
• Manufacturer: RENESAS [Renesas Technology Corp]

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