AT91M40400-25C ATMEL Corporation, AT91M40400-25C Datasheet - Page 74

• Manufacturer Part Number: AT91M40400-25C
• Description: 16/32-bit Microcontroller, 2.7V to 3.6V Operating Range
• Manufacturer: ATMEL Corporation

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NBSTOP: Number of Stop Bits
The interpretation of the number of stop bits depends on SYNC.
CHMODE: Channel Mode
CKLO: Clock Output Select
0 = The USART does not drive the SCK pin.
1 = The USART drives the SCK pin if USCLKS[1] is 0.
0
0
1
1
0
0
1
1
74
CHMODE
NBSTOP
0
1
0
1
0
1
0
1
Asynchronous (SYNC = 0)
1 stop bit
1.5 stop bits
2 stop bits
Reserved
Mode Description
Normal Mode
The USART Channel operates as an Rx/Tx USART.
Automatic Echo
Receiver Data Input is connected to the TXD pin.
Local Loopback
Transmitter Output Signal is connected to Receiver Input Signal.
Remote Loopback
RXD pin is internally connected to TXD pin.
AT91M40400
Synchronous (SYNC = 1)
1 stop bit
Reserved
2 stop bits
Reserved