參數(shù)資料
型號： ADE7169ASTF16
廠商： ANALOG DEVICES INC
元件分類： 模擬信號調理
英文描述： Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
中文描述： ANALOG CIRCUIT, PQFP64
封裝： MS-026BCD, LQFP-64
文件頁數(shù)： 66/140頁
文件大?。?/td> 1359K
代理商： ADE7169ASTF16
Preliminary Technical Data
ADE7169F16
TEMPERATURE, BATTERY AND SUPPLY
VOLTAGE MEASUREMENTS
The ADE7169F16 includes temperature measurements as well
as battery and supply voltage measurements. These
measurements 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 doesn’t drift. Supply voltage
measurements allow the LCD contrast to be maintained despite
Table 44. Temperature, Battery and Supply voltage measurement SFRs
SFR
address
(hex)
Rev. PrD | Page 66 of 140
variations in voltage. Battery measurements allow low battery
detection to be performed. All ADC measurements are
configured through the SFR detailed in Table 44.
The temperature, battery and supply voltage measurements can
be configured to still be functional in PSM1 and PSM2. This is
done bit setting bit RTCEN in the RTC Configuration SFR
(TIMECON, 0xA1). Maintaining the temperature measurement
active ensures that it is not necessary to wait for the temperature
measurement to settle before using it for compensation.
R/W
Name
Description
0xF9
R/W
STRBPER
Strobing period configuration
0xF3
R/W
DIFFPROG
Temperature and supply Delta configuration
0xD8
R/W
ADCGO
ADC start configuration
0xFA
R/W
BATVTH
Battery threshold configuration
0xEF
R/W
VSWADC
VSW ADC value
0xDF
R/W
BATADC
Battery ADC value
0xD7
R/W
TEMPADC
Temperature ADC value
Table 45. Peripheral ADC Strobe Period SFR (STRBPER, 0xF9)
Note: The strobing option only work when the RTCEN bit in RTC Configuration SFR (TIMECON, 0xA1) is set.
Bit
Location
Mnemonic
Value
7-6
Reserved
-
5-4
VSW_PERIOD[1:0]
0
Bit
Default
Description
Reserved
Period for background supply voltage measurements
VSW_PERIOD[1:0]
0
0
No VSW measurement
0
1
8 minutes
1
0
2 minutes
1
1
1 minute
Period for background battery level measurements
BATT_PERIOD[1:0]
0
0
No Battery measurement
0
1
16 minutes
1
0
4 minutes
1
1
1 minute
Period for background temperature measurements
TEMP_PERIOD[1:0]
0
0
No Temperature measurements
0
1
8 minutes
1
0
2 minutes
3-2
BATT_PERIOD[1:0]
0
1-0
TEMP_PERIOD[1:0]
0
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