参数资料
型号: ADE7569ASTZF16
厂商: Analog Devices Inc
文件页数: 69/136页
文件大小: 0K
描述: IC ENERGY METER MCU 16K 64LQFP
标准包装: 1
输入阻抗: *
测量误差: *
电压 - 高输入/输出: *
电压 - 低输入/输出: *
电流 - 电源: *
电源电压: *
测量仪表类型: *
工作温度: *
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
Preliminary Technical Data
External Voltage ADC in PSM1 and PSM2
An external voltage conversion is initiated only by certain actions
that depend on the operating mode of the ADE7566/ADE7569.
ADE7566/ADE7569
External Voltage ADC Interrupt
The external voltage ADC can generate an ADC interrupt when
at least one of the following conditions occurs:
?
?
In PSM0 operating mode, the 8052 is active. External
voltage measurements are available in the background
measurement mode and by initiating a single measurement.
In PSM1 operating mode, the 8052 is active and the part is
powered from battery. Single external voltage measurements
can be initiated by setting the VDCIN_ADC_GO bit in the
Start ADC Measurement SFR (ADCGO, 0xD8).
?
?
The difference between the new external voltage ADC
value and the last external voltage ADC value generating
an ADC interrupt is larger than the value set in the
VDCIN_DIFF[2:0] bits in the Temperature and Supply
Delta SFR (DIFFPROG, 0xF3).
The external voltage ADC conversion initiated by setting
VDCIN_ADC_GO is finishes.
?
Background external voltage measurements are not
available.
In PSM2 operating mode, the 8052 is not active. External
voltage conversions are available through the background
When the ADC interrupt occurs, a new value is available in the
VDCIN ADC Value SFR (VDCINADC, 0xEF). Note that there
is no flag associated with this interrupt.
measurement mode only.
The external voltage ADC in the VDCIN ADC Value SFR
(VDCINADC, 0xEF) is updated with a new value only when an
external voltage ADC interrupt occurs.
Rev. PrA | Page 69 of 136
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