PC87591L datasheet(213/437 Pages) NSC

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Embedded Controller Modules (Continued)

Revision 1.07

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ACM Control and Status Register (ACMCTS)

This register controls the operation and indicates the status of the ACM module. ACMCTS is cleared (0016) on reset.

Location: 00 FD4016

Type: Varies per bit

Bit

76543210

Name

Reserved

OVUNTHEV

EOCEV

EOMEV

START

Reset

00000000

Bit

Type

Description

START (ACM Operation Start). Start trigger for the ACM operation in the mode selected by ACMMOD

ﬁeld in ACMCNF register. If the new ACMMOD value differs from the value currently in use, all event

ﬂags (EOMEV, EOCEV, OVUNTHEV) are cleared and operation in the new mode begins. Writing a 1 to

the START bit without modifying the ACMMODE value is ignored by the module.

0: No effect - (default)

1: Operation start trigger - automatically returns to 0 after start

R/W1C EOMEV (End-of-Measurement Event). End of voltage level measurement burst (for all eight inputs).

The bit is set only when the ACM is in Voltage Level Burst mode (ACMMOD = 012 in ACMCNF

0: Measurement in progress, or not in Voltage Level Burst mode (default)

1: End of voltage level measurement burst

R/W1C EOCEV (End-of-Comparison Event). End of threshold comparison in Threshold Comparison Burst

mode (ACMMOD = 102 in ACMCNF register).

0: Comparison in progress, or not in Threshold Comparison Burst mode (default)

1: End of threshold comparison

R/W1C OVUNTHEV (Over/Under Threshold Event). At least one input is above (or below) the voltage

threshold value. The bit is set only when the ACM is in Low Power Threshold Comparison mode

(ACMMOD = 112 in ACMCNF register).

0: No input above (or below) the threshold, or not in Low Power Threshold Comparison mode (default)

1: One or more inputs above (or below) the threshold

7-4

Reserved.

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