MAXQ3181-RAN+ Maxim Integrated Products, MAXQ3181-RAN+ Datasheet - Page 23
MAXQ3181-RAN+
Manufacturer Part Number
MAXQ3181-RAN+
Description
IC AFE POLYPHASE LO-PWR 28-TSSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAXQ3181-RAN.pdf
(84 pages)
Specifications of MAXQ3181-RAN+
Number Of Channels
8
Power (watts)
35mW
Voltage - Supply, Analog
3.3V
Voltage - Supply, Digital
3.3V
Package / Case
28-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Bits
-
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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 MAXQ3181
SPI TIMEOUT (320ms)
Low-Power, Active Energy, Polyphase AFE
______________________________________________________________________________________
N
N
N
N
Y
SEND COMMAND BYTE 1
SEND COMMAND BYTE 2
DELAY > 400 SYSCLK
DELAY > 400 SYSCLK
DELAY > 400 SYSCLK
READ MAXQ3181
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 MAXQ3181
SPI TIMEOUT (320ms)
N
N
N
N
N
Y
SEND COMMAND BYTE 1
SEND COMMAND BYTE 2
DELAY > 400 SYSCLK
DELAY > 400 SYSCLK
DELAY > 400 SYSCLK
WRITE MAXQ3181
SEND DATA BYTE
GET 0xC1?
GET 0xC2?
SEND 0x00
GET 0x41?
GET 0x4E?
GET 0x41?
DONE?
EXIT
23
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