AS3722 datasheet(143/199 Pages) AMSOSRAM

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[v1-01] 2015-Sep-07

AS3722 − Register Description

Figure 152:

IOVoltage

Figure 153:

Battery_voltage_monitor2

Addr:49h

IOVoltage

Bit

Bit Name

Default

Access

Bit Description

level33

Voltage level of input signals

0 : IO voltage 1.8 V

1 : IO voltage 3.3 V

I2C_bus_pullup

RW_SS

I2C data and CLK internal pull-ups

enabled/disabled

0 : pull-ups disabled

1 : pull-ups enabled

5INT_pullup_dis

Interrupt signal pull-up enabled/disabled on pin

XINT

0 : pull-up enabled (open drain mode)

1 : pull-up disabled (push/pull mode)f

Addr:4ah

Battery_voltage_monitor2

Bit

Bit Name

Default

Access

Bit Description

1:0

ncells

RW_SM

Selects number of cells that are connected to VBAT

0 : 1 cell: ResVoltRise = 2.5...3.6

1 : 2 cell: ResVoltRise = 2*(2.5...3.6V) = 5.0....7.2V

2 : 3 cell: ResVoltRise = 3*(2.5...3.6V) = 7.5...10.8V

3 : 4 cell: ResVoltRise = 4*(2.5...3.6V) = 10....14.4V

4:2

vsup_min

RW_SM

Defines minimum value on VSUP for startup/reset

0 : 2.55V

1 : 2.7V

2 : 3.0V

3 : 3.2V

4 : 4.5V

5 : 4.7V

6 : 4.8V

AS3722 データシート(PDF) 143 Page - ams-OSRAM AG

AS3722 データシート(HTML) 143 Page - ams-OSRAM AG

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