Atmel AT90PWM2 Manual page 222

19.6.3 EUSART Control and Status Register A – EUCSRA
4317I–AVR–01/08
Bit 7
UTxS3
Read/Write R/W
Initial Value 0
• Bit 7:4 – EUSART Transmit Character Size
The UTxS3:0 bits sets the number of data bits (Character Size) in a frame the Transmitter use.
Table 19-1. UTxS Bits Settings
UTxS3 UTxS2
0 0
0 0
0 0
0 0
0 1
0 1
0 1
0 1
1 0
1 0
1 0
1 0
1 1
1 1
1 1
1 1
• Bit 3:0 – EUSART Receive Character Size
The UTxS3:0 bits sets the number of data bits (Character Size) in a frame the Receiver use.
Table 19-2. URxS Bits Settings
URxS3 URxS2
0 0
0 0
0 0
0 0
0 1
0 1
0 1
0 1
1 0
6 5 4
UTxS2 UTxS1 UTxS0
R/W R/W R/W
0 1 1
UTxS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
URxS1
0
0
1
1
0
0
1
1
0
AT90PWM2/3/2B/3B
3 2 1
URxS3 URxS2 URxS1
R/W R/W R/W
0 0 1
UTxS0 Transmit Character Size
0 5-bit
1 6-bit
0 7-bit
1 8-bit
0 Reserved
1 Reserved
0 Reserved
1 9-bit
0 13-bit
1 14-bit
0 15-bit
1 16-bit
0 Reserved
1 Reserved
0 Reserved
1 17-bit
URxS0 Receive Character Size
0 5-bit
1 6-bit
0 7-bit
1 8-bit
0 Reserved
1 Reserved
0 Reserved
1 9-bit
0 13-bit
0
URxS0 EUCSRA
R/W
1
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