ACT8937 datasheet(13/44 Pages) ACTIVE-SEMI

13 / 44 page

ACT8937

Rev 0, 21-Sep-10

- 13 -

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I2CTM is a trademark of NXP.

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OUTPUT ADDRESS

BIT

NAME

ACCESS

DESCRIPTION

REG7

0x65

[0]

Regulator Power-OK Status. Value is 1 when output voltage

exceeds the power-OK threshold, value is 0 otherwise.

APCH

0x70

[7:0]

R/W

Reserved.

APCH

0x71

[7]

SUSCHG

R/W

Charge Suspend Control Input. Set bit to 1 to suspend

charging, clear bit to 0 to allow charging to resume.

APCH

0x71

[6]

R/W

Reserved.

APCH

0x71

[5:4]

TOTTIMO

R/W

Total Charge Timeout Selection. See the Charge Safety

Timers

section for more information.

APCH

0x71

[3:2]

PRETIMO

R/W

Precondition Charge Timeout Selection. See the Charge

Safety Timers

section for more information.

APCH

0x71

[1:0]

OVPSET

R/W

Input Over-Voltage Protection Threshold Selection. See the

Input Over-Voltage Protection

section for more information.

APCH

0x78

[7]

TIMRSTAT

R/W

Charge Timeout Interrupt Status. See the Charge Safety

Timers

section for more information.

APCH

0x78

[6]

TEMPSTAT

R/W

Temperature Interrupt Status. See the Battery Temperature

Monitoring

section for more information.

APCH

0x78

[5]

INSTAT

R/W

Input Voltage Interrupt Status. See the Charge Current

Programming

section for more information.

APCH

0x78

[4]

CHGSTAT

R/W

Charge State Interrupt Status. See the State Machine

Interrupts

section for more information.

APCH

0x78

[3]

TIMRDAT

Charge Timer Interrupt Status. Value is 1 when precondition

timeout or total charge timeout fault occurs. Value is 0 in

other case.

APCH

0x78

[2]

TEMPDAT

Temperature Status. Value is 1 when battery temperature is

outside of valid range. Value is 0 when battery temperature

is inside of valid range.

APCH

0x78

[1]

INDAT

Input Voltage Status. Value is 1 when a valid input at

CHGIN is present. Value is 0 when a valid input at CHGIN

is not present.

APCH

0x78

[0]

CHGDAT

Charge State Status. Value is 1 when in END-OF-CHARGE

State. Value is 0 when in other state.

APCH

0x79

[7]

TIMRTOT

R/W

Charge Timer Interrupt Control. See the Charge Safety

Timers

section for more information.

APCH

0x79

[6]

TEMPIN

R/W

Temperature Interrupt Control. See the Battery Temperature

Monitoring

section for more information.

APCH

0x79

[5]

INCON

R/W

Input Voltage Interrupt Control. See the Charge Current

Programming

section for more information.

APCH

0x79

[4]

CHGEOCIN

R/W

Charge State Interrupt Control. See the State Machine

Interrupts

section for more information.

APCH

0x79

[3]

TIMRPRE

R/W

Charge Timer Interrupt Control. See the Charge Safety

Timers

section for more information.

APCH

0x79

[2]

TEMPOUT

R/W

Temperature Interrupt Control. See the Battery Temperature

Monitoring

section for more information.

APCH

0x79

[1]

INDIS

R/W

Input Voltage Interrupt Control. See the Charge Current

Programming

section for more information.

APCH

0x79

[0]

CHGEOCOUT

R/W

Charge State Interrupt Control. See the State Machine

Interrupts

section for more information.

APCH

0x7A

[7:6]

Reserved.

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