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MAX71020
Single-Chip Electricity Meter AFE
Table 7. Register Map (continued)
NAME
WSUM_X
W0SUM_X
W1SUM_X
VARSUM_X
VAR0SUM_X
VAR1SUM_X
I0SQSUM_X
I1SQSUM_X
V0SQSUM_X
V1SQSUM_X
I0SQRES_X
I1SQRES_X
I0_RAW
V0_RAW
I1_RAW
V1_RAW
BYTE
ADDRESS
0x084
0x085
0x086
0x088
0x089
0x08A
0x08C
0x08D
0x090
0x091
0x096
0x097
0x100
0x101
0x102
0x103
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
DEFAULT
VALUE
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
DESCRIPTION
Signed sum of real energy (Wh) from both wattmeter
elements for the previous accumulation interval
Signed sum of real energ y (Wh) from wattmeter element A
Signed sum of real energ y (Wh) from wattmeter element B
Signed sum of reactive energy (VARh) from both
wattmeter elements for the previous accumulation interval
Signed sum of reactive energy (VARh) from wattmeter
element A
Signed sum of reactive energy (VARh) from wattmeter
element B
Sum o f squared samples from current sensor in phase A
Sum o f squared samples from current sensor in phase B
Sum o f squared samples from voltage sensor in phase A
Sum o f squared samples from voltage sensor in phase B
Residual current from current sensor in phase A
Residual current from current sensor in phase A
Most recent result of ADC conversion for current phase A
Most recent result of ADC conversion for voltage phase A
Most recent result of ADC conversion for current phase B
Most recent result of ADC conversion for voltage phase A
LOADED
BY
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Table 8. Hardware Control Register Map
NAME
BYTE
ADDRESS
R/W
DEFAULT
VALUE*
DESCRIPTION
Contains identifying information for the device. Loaded by the LE.
BIT
7:0
NAME
Reserved
—
DESCRIPTION
DEVICEID
0x301
R
0x0000
1100
15:8
VERSION
Version index. Currently, 0x12 is defined as die type A0B.
Family tag and feature tag of the device, currently 0x1001.
FAMILY/FEATURE TAG CE CODE
31:16
CHIP_ID
1000
1001
1002
Blank OTP
2520 code
5k code
STEMP
VSENSE
0x30A
0x30B
R
R
—
—
Result of the temperature measurement. Only bits 26:16 are significant; all
other bits return zero.
Result of the device V V3P3SYS measurement. Only bits 23:16 are significant; all
other bits return zero.
* Default values given for standard CE code (2520 sample frequency, gain = 9).
Maxim Integrated
23
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相关代理商/技术参数
MAX71020AEUI+R 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Single-Chip Electricity Meter AFE
MAX710C/D 功能描述:直流/直流开关转换器 3.3V/5V or Adjustable Step-Up Step-Down DC-DC Converters RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX710C/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX710ESE 功能描述:直流/直流开关转换器 3.3/5V or Adjustable Step-Up Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX710ESE+ 功能描述:直流/直流开关转换器 3.3/5V or Adjustable Step-Up Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX710ESE+ 制造商:Maxim Integrated Products 功能描述:CONVERTOR DC/DC ((NW))
MAX710ESE+T 功能描述:直流/直流开关转换器 3.3/5V or Adjustable Step-Up Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX710ESE-T 功能描述:直流/直流开关转换器 3.3/5V or Adjustable Step-Up Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT