MAX71020
Single-Chip Electricity Meter AFE
V3P3SYS
V3P3SYS
DIGITAL
INPUT PIN
GNDD
CMOS
INPUT
DIGITAL INPUT EQUIVALENT CIRCUIT
TYPE 3
ANALOG
INPUT PIN
TO MUX
GNDA GNDA
ANALOG INPUT EQUIVALENT CIRCUIT
TYPE 6:
ADC INPUT
V3P3SYS V3P3SYS
CMOS
OUTPUT
DIGITAL
OUPUT PIN
GNDD GNDD
DIGITAL OUTPUT EQUIVALENT CIRCUIT
TYPE 4
Figure 1. I/O Equivalent Circuits
V3P3SYS
OSCILLATOR
PIN
TO
OSCILLATOR
GNDA
OSCILLATOR EQUIVALENT CIRCUIT
TYPE 8:
OSCILLATOR I/O
8