MAXQ3183 Maxim, MAXQ3183 Datasheet - Page 25
![no-image](/images/no-image-200.jpg)
MAXQ3183
Manufacturer Part Number
MAXQ3183
Description
The MAXQ3183 is a dedicated electricity measurement front-end that collects and calculates polyphase voltage, current, power, energy, and many other metering and power-quality parameters of a polyphase load
Manufacturer
Maxim
Datasheet
1.MAXQ3183.pdf
(102 pages)
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The virtual registers contain calculated values derived
from one or more real registers. They are calculated at
the time they are requested, and thus can involve addi-
Figure 7. Flowchart for Reading from MAXQ3183
SPI TIMEOUT (360ms)
Low-Power, Multifunction, Polyphase AFE
______________________________________________________________________________________
N
N
N
N
Y
SEND COMMAND BYTE 1
SEND COMMAND BYTE 2
with Harmonics and Tamper Detect
DELAY > 400 SYSCLK
DELAY > 400 SYSCLK
DELAY > 400 SYSCLK
READ MAXQ3183
GET DATA BYTE
GET 0xC1?
GET 0xC2?
SEND 0x00
SEND 0x00
GET 0x4E?
GET 0x41?
DONE?
EXIT
tional time to return a value. Most virtual registers are 8
bytes in length and are delivered least significant byte
first.
Figure 8. Flowchart for Writing to MAXQ3183
SPI TIMEOUT (360ms)
N
N
N
N
N
Y
SEND COMMAND BYTE 1
SEND COMMAND BYTE 2
DELAY > 400 SYSCLK
DELAY > 400 SYSCLK
DELAY > 400 SYSCLK
WRITE MAXQ3183
SEND DATA BYTE
GET 0xC1?
GET 0xC2?
SEND 0x00
GET 0x41?
GET 0x4E?
GET 0x41?
DONE?
EXIT
25
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