AT90PWM216-16SE ATMEL [ATMEL Corporation], AT90PWM216-16SE Datasheet - Page 207

• Manufacturer Part Number: AT90PWM216-16SE
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable flash
• Manufacturer: ATMEL [ATMEL Corporation]

7710D–AVR–08/09
Table 18-4.
When configured in EUSART mode, the synchronous mode should not be set with Manchester
mode (See EUSART section).
• Bit 5:4 – UPM1:0: Parity Mode
These bits enable and set type of parity generation and check. If enabled, the Transmitter will
automatically generate and send the parity of the transmitted data bits within each frame. The
Receiver will generate a parity value for the incoming data and compare it to the UPM setting. If
a mismatch is detected, the UPE Flag in UCSRA will be set.
Table 18-5.
This setting is available in EUSART mode only when data bits are level encoded (in Manchester
the parity checker and generator are not available).
• Bit 3 – USBS: Stop Bit Select
This bit selects the number of stop bits to be inserted by the Transmitter. The Receiver ignores
this setting.
In EUSART mode, the USBS bit has the same behavior and the EUSB bit of the EUSART allows
to configure the number of stop bit for the receiver in this mode.
Table 18-6.
UPM1
0
0
1
1
UMSEL
0
1
UMSEL Bit Settings
UPM Bits Settings
USBS Bit Settings
USBS
0
1
Mode
Asynchronous Operation
Synchronous Operation
UPM0
0
1
0
1
Stop Bit(s)
1-bit
2-bit
Parity Mode
Disabled
Reserved
Enabled, Even Parity
Enabled, Odd Parity
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