参数资料
型号: EVAL-ADE5169EBZ-2
厂商: Analog Devices Inc
文件页数: 130/156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
ADE5166/ADE5169/ADE5566/ADE5569
Table 141. Serial Port Buffer SFR (SBUF, Address 0x99)
Data Sheet
Bit
[7:0]
Mnemonic
SBUF
Default
0
Description
Serial port data buffer.
Table 142. Enhanced Serial Baud Rat e Control SFR (SBAUDT, Address 0x9E)
Bit
7
Mnemonic
OWE
Default
0
Description
Overwrite error. This bit is set when new data is received and RI = 1 (Bit 0 in the SCON SFR, Address
0x98). It indicates that SBUF was not read before the next character was transferred in, causing the
prior SBUF data to be lost. Write a 0 to this bit to clear it.
6
FE
0
Frame error. This bit is set when the received frame does not have a valid stop bit. This bit is read
only and is updated every time a frame is received.
5
BE
0
Break error. This bit is set whenever the receive data line (Rx) is low for longer than a full transmission
frame, which is the time required for a start bit, eight data bits, a parity bit, and half a stop bit. This
bit is updated every time a frame is received.
[4:3]
[2:0]
SBTH
DIV
00
000
Extended divider ratio for baud rate setting, as shown in Table 144.
Binary divider (see Table 144).
DIV
Result
000
Divide by 1
001
Divide by 2
010
Divide by 4
011
Divide by 8
100
Divide by 16
101
Divide by 32
110
Divide by 64
111
Divide by 128
Table 143. UART Timer Fractional Divider SFR (SBAUDF, Address 0x9D)
Bit
7
Mnemonic
UARTBAUDEN
Default
0
Description
UART baud rate enable. Set to enable UART timer to generate the baud rate.
When set, the SMOD bit (PCON, Address 0x87[7]), the TCLK bit (T2CON, Address 0xC8[4]), and the
RCLK bit (T2CON, Address 0xC8[5]) are ignored.
Cleared to let the baud rate be generated as per a standard 8052.
6
Not implemented
Not implemented, write don’t care.
[5:0]
SBAUDF
0
UART timer fractional divider.
Rev. D | Page 130 of 156
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