71M6515H
A Maxim Integrated Products Brand
Energy Meter IC
DATA SHEET
JULY 2011
I/O Equivalent Circuits
V3P3D
V3P3A
V3P3D
110K
V3P3D
Digital
Input
Pin
CMOS
Input
Analog
Input
Pin
from
V2P5
To
MUX
internal
Pin
reference
GNDD
GNDA
GNDD
Digital Input Equivalent Circuit
Type 1:
Analog Input Equivalent Circuit
V2P5 Equivalent Circuit
Type 6:
Type 10:
Standard Digital Input or
pin configured as DIO Input
with Internal Pull-Up
ADC Input
V2P5
V3P3D
V3P3A
Digital
Input
Pin
CMOS
Input
Power
VBAT
Comparator
Input
Pin
To
Down
Pin
Comparator
Circuits
110K
GNDD
GNDD
GNDD
GNDA
VBAT Equivalent Circuit
Type 12:
Comparator Input Equivalent
Circuit Type 7:
Digital Input
Type 2:
Pin configured as DIO Input
with Internal Pull-Down
VBAT Power
ComparatorInput
V3P3D
V3P3D
Digital
Input
Pin
CMOS
Input
Oscillator
Pin
To
Oscillator
GNDD
GNDD
Digital Input Type 3:
Standard Digital Input or
Oscillator Equivalent Circuit
Type 8:
pin configured as DIO Input
OscillatorI/O
V3P3D
V3P3D
V3P3A
Digital
Output
Pin
CMOS
Output
from
internal
reference
VREF
Pin
GNDD
GNDD
GNDA
Digital Output Equivalent Circuit
Type 4:
VREF Equivalent Circuit
Type 9:
Standard Digital Output or
pin configured as DIO Output
VREF
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