71M6515H Datasheet, PDF (10/57 Pages) Teridian Semiconductor Corporation – Energy Meter IC

I/O Equivalent Circuits
V3P3D
Digital
Input
Pin
110K
GNDD
V3P3D
CMOS
Input
Digital Input Equivalent Circuit
Type 1:
Standard Digital Input or
pin configured as DIO Input
with Internal Pull-Up
V3P3D
Digital
Input
Pin
GNDD
110K
GNDD
CMOS
Input
Digital Input
Type 2:
Pin configured as DIO Input
with Internal Pull-Down
V3P3D
71M6515H
Energy Meter IC
DATA SHEET
MARCH 2008
V3P3A
Analog
Input
Pin
To
MUX
GNDA
Analog Input Equivalent Circuit
Type 6:
ADC Input
V3P3D
from
internal
reference
V2P5
Pin
GNDD
V2P5 Equivalent Circuit
Type 10:
V2P5
V3P3A
Comparator
Input
Pin
To
Comparator
GNDA
Comparator Input Equivalent
Circuit Type 7:
Comparator Input
VBAT
Pin
Power
Down
Circuits
GNDD
VBAT Equivalent Circuit
Type 12:
VBAT Power
V3P3D
Digital
Input
Pin
GNDD
CMOS
Input
Digital Input Type 3:
Standard Digital Input or
pin configured as DIO Input
V3P3D
V3P3D
CMOS
Output
Digital
Output
Pin
GNDD
GNDD
Digital Output Equivalent Circuit
Type 4:
Standard Digital Output or
pin configured as DIO Output
Oscillator
Pin
To
Oscillator
GNDD
Oscillator Equivalent Circuit
Type 8:
Oscillator I/O
V3P3A
from
internal
reference
VREF
Pin
GNDA
VREF Equivalent Circuit
Type 9:
VREF
Page: 10 of 57
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