BQ76PL536APAPR datasheet(50/74 Pages) TI1

50 / 74 page

bq76PL536A

SLUSAD3B – JUNE 2011 – REVISED JANUARY 2016

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7.6.24 FUNCTION_CONFIG Register (0x40)

The FUNCTION_CONFIG sets the default configuration for special features of the device.

Figure 47. FUNCTION_CONFIG Register

GPAI_REF

GPAI_SRC

CN[1]

CN[0]

Reserved

Table 19. FUNCTION_CONFIG Register Field Descriptions

Bit

Field

Type

Reset

Description

7-6

Reserved

GPAI_REF

This bit sets the reference for the GPAI ADC measurement.

0 = Internal ADC bandgap reference

1 = VREG50 (ratiometric)

GPAI_SRC

This

bit

controls

multiplexing

the

GPAI

and

determines whether the ADC mux is connected to the external

GPAI inputs, or internally to the BAT1 pin. The register results

are automatically scaled to match the input.

0 = External GPAI inputs are converted to result in GPAI register

0x01–02.

1 = BAT pin to VSS voltage is measured and reported in the

GPAI register.

3-2

CN[n]

These two bits configure the number of series cells used. If

fewer than 6 cells are configured, the corresponding OV/UV

faults are ignored. For example, if the CN[x] bits are set to 10b

(2), then the OV/UV comparators are ignored for cells 5 and 6.

Refer to Table 20.

1-0

Reserved

Table 20. Series Cells

CN[1]

CN[0]

Series Cells

6 (DEFAULT)

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