参数资料
型号: ADE7156ASTZF8
厂商: Analog Devices Inc
文件页数: 81/152页
文件大小: 0K
描述: IC ENERGY METER 64-LQFP
产品变化通告: Product Discontinuance 27/Oct/2011
标准包装: 160
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
ADE7116/ADE7156/ADE7166/ADE7169/ADE7566/ADE7569
External Voltage ADC in PSM0, PSM1, and PSM2 Modes
An external voltage conversion is initiated only by certain actions
that depend on the operating mode of the ADE7156/ADE7166/
ADE7169/ADE7566/ADE7569.
The external voltage ADC in the V DCIN ADC value SFR
(VDCINADC, Address 0xEF) is updated with a new value only
when an external voltage ADC interrupt occurs.
External Voltage ADC Interrupt
?
?
?
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 (Bit 2)
in the start ADC measurement SFR (ADCGO, Address
0xD8). Background external voltage measurements are not
available.
In PSM2 operating mode, the 8052 is not active. External
voltage conversions are available through the background
measurement mode only.
The external voltage ADC can generate an ADC interrupt when
at least one of the following conditions occurs:
? 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, Address 0xF3).
? The external voltage ADC conversion initiated by setting
VDCIN_ADC_GO, finishes.
When the ADC interrupt occurs, a new value is available in the
V DCIN ADC value SFR (VDCINADC, Address 0xEF). Note that
there is no flag associated with this interrupt.
Rev. B | Page 81 of 152
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