AS3687 datasheet(37/55 Pages) AMSCO

37 / 55 page

AS3687/87XM

Datasheet

www.austriamicrosystems.com/AS3687

1v3-4

36 - 54

Figure

26 –Internal voltage of the ADC vs. applied voltage on CURR1,2 or CURR6

Operating conditions: VBAT>=3.3V, TJUNC >= -20

°C (one curve with charge pump operating in 1:2 mode ‘on’ and

one curve with charge pump in 1:1 mode ‘off’).

Above curve represent the worst case and therefore are guaranteed by design under the above operating

conditions (ADC input range for CURR1,2,6 is between 0V and 1.5V).

7.5.2 ADC Registers

Addr: 27h

ADC_MSB Result

Together with Register 27h, this register contains the results (MSB) of an ADC cycle.

Bit

Bit Name

Default

Access

Description

6:0

D9:D3

N/A

ADC results register.

result_not_ready

N/A

Indicates end of ADC conversion cycle.

0 = Result is ready.

1 = Conversion is running.

Addr: 28h

ADC_LSB Result

Together with Register 28h, this register contains the results (LSB) of an ADC cycle

Bit

Bit Name

Default

Access

Description

2:0

D2:D0

N/A

ADC result register.

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