参数资料
型号: MF280C51C-12D
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44
封装: QFP-44
文件页数: 50/80页
文件大小: 5152K
代理商: MF280C51C-12D
250
XMEGA A [MANUAL]
8077I–AVR–11/2012
21.15.7 BAUDCTRLB – Baud Rate register B
Bit 7:4 – BSCALE[3:0]: Baud Rate Scale factor
These bits select the baud rate generator scale factor. The scale factor is given in two's complement form from -7
(0b1001) to +7 (0b0111). The -8 (0b1000) setting is reserved. See the equations in Table 21-1 on page 233.
Bit 3:0 – BSEL[11:8]: Baud Rate bits
These are the upper 4 bits of the 12-bit value used for USART baud rate setting. BAUDCTRLA contains the eight least-
significant bits. Ongoing transmissions by the transmitter and receiver will be corrupted if the baud rate is changed.
Writing BAUDCTRLA will trigger an immediate update of the baud rate prescaler.
Bit
7654
3210
+0x07
BSCALE[3:0]
BSEL[11:8]
Read/Write
R/W
Initial Value
0
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