71M6515H-IGT/F Maxim Integrated Products, 71M6515H-IGT/F Datasheet - Page 19

• Manufacturer Part Number: 71M6515H-IGT/F
• Description: IC ENERGY METER AFE 3PH 64-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of 71M6515H-IGT/F

• Mounting Style: SMD/SMT
• Package / Case: LQFP-64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

The pin PULSE_INIT determines the logic level applied to the pulse pins on power-up, i.e. with PULSE_INIT low, the pulse
pins will be initialized to low (default = 1).
The pulse width P
formula:
The PULSE3 and PULSE4 output pins will always generate pulses with 50% duty cycle.
Page: 19 of 60
P
W
A Maxim Integrated Products Brand
=
External (Host data is transferred to the pulse generator in the first accumulation interval after the
next READY)
2
Internal Data (Directly by CE)
Post-Processed Data
⋅
W
PULSEWIDTH
is controlled with the PULSEWIDTH register for the PULSER and PULSEW output pins per the following
Host Processing
Post Processing
Pulse Generator
Post Processing
Pulse Generator
Post Processing
Pulse Generator
CE Operations
CE Operations
CE Operations
2520
6 .
+
1
XFER
XFER
XFER
APULSE write
Accumulation Interval
Accumulation Interval
Accumulation Interval
© 2005−2011 Teridian Semiconductor Corporation
Post 0
Post 0
Post 0
Accumulation 1
Accumulation 1
Accumulation 1
READY
READY
READY
Pulse -1
Pulse -2
Pulse 0
Figure 8: Pulse Generator Timing
APULSE write
Host 0
XFER
XFER
XFER
APULSE write
Post 1
Post 1
Post 1
Accumulation 2
Accumulation 2
Accumulation 2
READY
READY
READY
Pulse -1
Pulse 1
Pulse 0
APULSE write
Host 1
XFER
XFER
XFER
Energy Meter IC
APULSE write
Post 2
Post 2
Post 2
Accumulation 3
Accumulation 3
Accumulation 3
READY
READY
READY
Pulse 2
Pulse 1
Pulse 0
APULSE write
DATA SHEET
71M6515H
Host 2
JULY 2011
1.6