LMP90077MHENOPB National Semiconductor, LMP90077MHENOPB Datasheet - Page 43
LMP90077MHENOPB
Manufacturer Part Number
LMP90077MHENOPB
Description
IC AFE 16BIT 214.6SPS 28-TSSOP
Manufacturer
National Semiconductor
Series
-r
Datasheet
1.LMP90077MHENOPB.pdf
(62 pages)
Specifications of LMP90077MHENOPB
Number Of Bits
16
Number Of Channels
2 Differential, 4 Single-Ended
Power (watts)
-
Voltage - Supply, Analog
2.85 V ~ 5.5 V
Voltage - Supply, Digital
2.7 V ~ 5.5 V
Package / Case
28-TSSOP (0.173", 4.40mm Width)
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
LMP90077MHENOPBTR
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17.5.2 Controlled Streaming Example
This example shows how to read the 16-bit conversion data (ADC_DOUT) four times using the Controlled Streaming mode. The
ADC_DOUT registers consist of ADC_DOUTH at ADDR 0x1A and ADC_DOUTL at ADDR 0x1B.
The first step
(Figure
35) sets up the SPI_STREAMCN register. This step enters the Controlled Streaming mode by setting
STRM_TYPE high in ADDR 0x03. Since two registers (ADDR 0x1A - 0x1B) need to be read, the STRM_RANGE is 1.
30169793
FIGURE 35. Setting up SPI_STREAMCN
The next step shows how to perform the Controlled Streaming mode so that the master device will read ADC_DOUT from ADDR
0x1A and 0x1B, then wrap back to ADDR 0x1A, and repeat this process for four times. After this process, deassert CSB to end
the Controlled Streaming mode.
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