R8A66171SP RENESAS [Renesas Technology Corp], R8A66171SP Datasheet - Page 10

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

R8A66171DD/SP
COMMAND-INSTRUCTION FORMAT
The commands are decoded by D7 and D6.
REJ03F269-0100 Rev.1.00 Feb.19.2008
Page 10 of 22
Command2 (Baud rate setting. The second byte when D1 bit of the command1 is set to "1".）
Command1
Command3 （Block length setting）
Note 1 : Priority is given to parity enable, if parity enable and CRC enable are both "1" (D3, D2=1).
Note 2 : TxD output wave is Stop bit (D5) setup value +1 (always).
D7
D7
D7
0
0
D6
D6
D6
0
1
D5
ST
D5
D5
D4
EP
D4
D4
D3
PEN
D3
D3
CRCEN
D2
D2
D2
BAUD
D1
D1
D1
Baud rate setting
Parity enable
Parity check
CRC enable
Prescaler
D0
PS
D0
D0
Stop bit
1 : 2 bits
0 : 1 bit
1 : Even parity
0 : Odd parity
1 : Enable
0 : Disable
1 : Enable
0 : Disable
1 : To command2
（ Baud rate setting ）
1 : 1/32 division
0 : 1/2 division
n
m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
255
1
1
1
1
1
1
1
1
63
1
1
1
1
1
1
Note2