MAX11270 Datasheet, PDF (30/46 Pages) Maxim Integrated Products – Integrated PGA

MAX11270
24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma
ADC with Integrated PGA
Register Map
Register Address Map
There are 14 registers that can be accessed in the MAX11270. The majority of registers can be both written to and read
from, but the STAT and DATA registers are read only. The RAM and SYNC are not physical registers, but addresses to
enable special operating modes.
Table 8. Register Address Map
REGISTER
NAME
STAT
CTRL1
CTRL2
CTRL3
CTRL4
CTRL5
DATA
SOC_SPI
SGC_SPI
SCOC_SPI
SCGC_SPI
RAM
R/W
R
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
ADDRESS
SELECT
B7
B6
B5
B4
B3
B2
B1
B0
RS[3:0]
INRESET
ERROR
—
—
PDSTAT1 PDSTAT0 RDERR
AOR
0x0
RATE3
RATE2
RATE1
RATE0 SYSGOR
DOR
MSTAT
RDY
0x1
EXTCK SYNCMODE
PD1
PD0
U/~B
FORMAT SCYCLE CONTSC
0x2
DGAIN1
DGAIN0
BUFEN LPMODE PGAEN
PGAG2
PGAG1 PGAG0
0x3
—
—
ENMSYNC MODBITS DATA32
—
—
—
0x4
—
DIR3
DIR2
DIR1
—
DIO3
DIO2
DIO1
0x5
CAL1
CAL0
—
—
NOSYSG NOSYSO NOSCG NOSCO
0x6
D[23:0]
0x7
B[23:0]
0x8
B[23:0]
0x9
B[23:0]
0xA
B[23:0]
Address space only, not a physical register. Please contact factory for instructions on using internal RAM
0xC
function.
SYNC_SPI
W
SOC_ADC
R
SGC_ADC
R
SCOC_ADC
R
SCGC_ADC
R
0xD
0x15
0x16
0x17
0x18
Address space only, not a physical register. Please contact factory for instructions on using internal RAM
function.
B[23:0]
B[23:0]
B[23:0]
B[23:0]
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