MAXQ3181-RAN+ Maxim Integrated Products, MAXQ3181-RAN+ Datasheet - Page 80
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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Low-Power, Active Energy, Polyphase AFE
This register contains the calculated 16-bit arithmetic checksum over critical configuration and calibration registers.
It is updated on every DSP cycle. In use, the administrative processor records the value in the CHKSUM register and
then checks it periodically to verify that no configuration or calibration registers have changed. The MAXQ3181 sets
the CHSCH bit when this register’s value changes.
The registers included in the checksum calculation include the following:
80
Bit:
Name:
Reset:
Bit:
Name:
Reset:
______________________________________________________________________________________
PLS1_WD
SYS_KHZ
VOLT_CC
PLSCFG1
AMP_CC
PWR_CC
ENR_CC
CYCNT
THR1
15
7
NOLOAD
R_ACFG
AVG_NS
REJ_NS
AVG_C
HPF_C
OCLVL
OVLVL
UVLVL
14
6
R_ADCRATE
R_ADCACQ
COM_TIMO
ACC_TIMO
NZX_TIMO
13
R_SPICF
5
ZC_LPF
I1THR
I2THR
Checksum High Byte
Checksum Low Byte
12
4
A.GAIN_LO
A.OFFS_LO
A.OFFS_HI
A.V_GAIN
A.E_GAIN
A.I_GAIN
A.PA0
A.PA1
A.PA2
11
3
Checksum (CHKSUM) (0x060)
B.GAIN_LO
B.OFFS_LO
B.OFFS_HI
B.V_GAIN
B.E_GAIN
10
B.I_GAIN
2
B.PA0
B.PA1
B.PA2
9
1
C.GAIN_LO
C.OFFS_LO
C.OFFS_HI
C.V_GAIN
C.E_GAIN
C.I_GAIN
C.PA0
C.PA1
C.PA2
8
0
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