参数资料
型号: ADE7569ASTZF16
厂商: Analog Devices Inc
文件页数: 65/136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
TEMPERATURE, BATTERY, AND SUPPLY VOLTAGE MEASUREMENTS
ADE7566/ADE7569
The ADE7566/ADE7569 include temperature measurements as
well as battery and supply voltage measurements. These measure-
ments enable many forms of compensation. The temperature and
supply voltage measurements can be used to compensate external
circuitry. The RTC can be calibrated over temperature to ensure
that it does not drift. Supply voltage measurements allow the LCD
contrast to be maintained despite variations in voltage. Battery
measurements allow low battery detection to be performed.
All ADC measurements are configured through the SFRs
detailed in Table 44.
The temperature, battery, and supply voltage measurements can
be configured to continue functioning in PSM1 and PSM2. This
is done by setting Bit RTCEN in the RTC Configuration SFR
(TIMECON, 0xA1). Keeping the temperature measurement
active ensures that it is not necessary to wait for the temperature
measurement to settle before using it for compensation.
Table 44. Temperature, Battery, and Supply Voltage Measurement SFRs
SFR Address
0xF9
0xF3
0xD8
0xFA
0xEF
0xDF
0xD7
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Name
STRBPER
DIFFPROG
ADCGO
BATVTH
VDCINADC
BATADC
TEMPADC
Description
Strobing Period Configuration (see Table 45).
Temperature and Supply Delta Configuration (see Table 46).
ADC Start Configuration (see Table 47).
Battery Threshold Configuration (see Table 48).
V DCIN ADC Value (see Table 49).
Battery ADC Value (see Table 50).
Temperature ADC Value (see Table 51).
Table 45. Peripheral ADC Strobe Period SFR (STRBPER, 0xF9) 1
Bit No.
7 to 6
5 to 4
Mnemonic
Reserved
VDCIN_PERIOD[1:0]
Default
0
Description
Reserved.
Period for background external voltage measurements.
VDCIN_PERIOD[1:0] Result
00 No V DCIN measurement
01 8 min
10 2 min
11 1 min
3 to 2
BATT_PERIOD[1:0]
0
Period for background battery level measurements.
BATT_PERIOD[1:0] Result
00 No battery measurement
01 16 min
10 4 min
11 1 min
1 to 0
TEMP_PERIOD[1:0]
0
Period for background temperature measurements.
TEMP_PERIOD[1:0] Result
00 No temperature measurements
01 8 min
10 2 min
11 1 min
1
The strobing option only works when the RTCEN bit in RTC Configuration SFR (TIMECON, 0xA1) is set.
Rev. PrA | Page 65 of 136
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