MAX17843 datasheet(37/131 Pages) MAXIM

부품명	MAX17843

상세설명	12-Channel, High-Voltage Smart Sensor Data-Acquisition Interface

PDF	131 Pages

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제조업체	MAXIM [Maxim Integrated Products]

홈페이지	https://www.maximintegrated.com/en.html

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37 / 131 page

Acquisition Watchdog Timeout

If the acquisition does not finish within a predetermined

time interval, the SCANTIMEOUT bit is set, the ADC

logic is reset, the ALU registers are cleared, and the

measurement data registers are also cleared. The acquisi-

tion watchdog-timeout interval depends on the oversam-

pling configuration, as shown in Table 7.

Figure 15. Acquisition Mode Flowchart

STANDBY MODE

SCAN BIT SET?

Enable HV charge pump

for 100.3µs

PERFORM

MEASUREMENT

SCANS FOR VBLKP,

CELLn, DIAG PER

MEASUREEN

YES

CLEAR ALL ALU

REGISTERS

ALL SAMPLES

DONE?

YES

COMPARE

MEASUREMENTS TO

THRESHOLDS AND

UPDATE ALERTS

AMENDFILT

SET?

YES

SET CELL = FILTOUT

SET SCANDONE

STANDBY MODE

ENABLE HV CHARGE

PUMP

SET ADC STATE

MACHINE TIMEOUT

PERIOD

LATCH ACQUISITION

CONFIGURATION;

DISABLE HV CHARGE

PUMP

CONVERT AUXINn

INPUTS IF ENABLED;

USE AINCFG SETTLING

TIME

COMPARE AUXINn

MEASUREMENT TO

THRESHOLDS, UPDATE

ALERTS

MAX17843

12-Channel, High-Voltage Smart Sensor

Data-Acquisition Interface

www.maximintegrated.com

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