参数资料
型号: EVAL-ADE5169EBZ-2
厂商: Analog Devices Inc
文件页数: 139/156页
文件大小: 0K
描述: BOARD EVALUATION FOR AD5169
标准包装: 1
主要目的: 电源管理,电度表/功率表
嵌入式:
已用 IC / 零件: ADE5169
主要属性: 用于汇编语言和 C 代码的 IAR 工具
次要属性: 隔离和非隔离输出选项
已供物品: 板,软件
SBAUDF2 = 64 × (4,096,000/(16 × 2 × 9600) ? 1) =
DataSheet
For example, to get a baud rate of 9600 while operating at
a core clock frequency of 4.096 MHz, with the PLL CD bits
(POWCON[2:0]) equal to 0
DIV2 + SBTH2 = log(4,096,000/(16 × 9600))/log2 =
4.74 = 4
Note that the DIV result is rounded down.
3
42.67 = 0x2B
Therefore, the actual baud rate is 9570 bps, which gives an error
of 0.31%.
ADE5166/ADE5169/ADE5566/ADE5569
UART2 ADDITIONAL FEATURES
Enhanced Error Checking
The extended UART2 provides frame error, break error, and
overwrite error detection. Framing errors occur when a stop bit
is not present at the end of the frame. A missing stop bit implies
that the data in the frame may not have been received properly.
Break error detection indicates whether the RxD2 line is low for
longer than a 9-bit frame. It indicates that the data just received,
a 0 or NULL character, is not valid because the master has discon-
nected. Overwrite error detection indicates whether the received
data is not read fast enough and, as result, a byte of data is lost.
Rev. D | Page 139 of 156
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