at90ls4433 ATMEL Corporation, at90ls4433 Datasheet - Page 61

• Manufacturer Part Number: at90ls4433
• Description: At90s4433 8-bit Avr Microcontroller With 4k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

UART Baud Rate Register –
UBRR
1042H–AVR–04/03
This is a 12-bit register that contains the UART Baud Rate according to the equation on
the previous page. The UBRRHI contains the four most significant bits, and the UBRR
contains the eight least significant bits of the UART Baud Rate.
Bit
$03 ($23)
$09 ($29)
Read/Write
Initial Value
MSB
R/W
15
R
–
7
0
0
R/W
14
R
–
6
0
0
R/W
13
R
–
5
0
0
R/W
12
R
–
4
0
0
MSB
R/W
R/W
11
3
0
0
R/W
R/W
10
2
0
0
AT90S/LS4433
R/W
R/W
9
1
0
0
LSB
LSB
R/W
R/W
8
0
0
0
UBRRHI
UBRR
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