NXP Semiconductors /LPC11Axx /ADC /SEL

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as SEL

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0RESERVED0 (AD5_PIN)AD5SEL 0 (AD6_PIN)AD6SEL 0 (AD7_PIN)AD7SEL 0RESERVED

AD7SEL=AD7_PIN, AD5SEL=AD5_PIN, AD6SEL=AD6_PIN

Description

A/D Select Register. Selects between external pins and internal sources.

Fields

RESERVED

Reserved. Always write zeroes to these bits.

AD5SEL

This field selects the source signal for channel 5.

0 (AD5_PIN): AD5 pin

1 (NO_CONNECTION_OR_LOA): No connection or load

2 (CORE_VOLTAGE_REGULAT): Core voltage regulator output (1.2 to 1.8V)

3 (RESERVED_DO_NOT_PRO): Reserved. Do not program this value.

AD6SEL

This field selects the source signal for channel 6.

0 (AD6_PIN): AD6 pin

1 (NO_CONNECTION_OR_LOA): No connection or load

2 (INTERNAL_VOLTAGE_REF): Internal voltage reference

3 (RESERVED_DO_NOT_PRO): Reserved. Do not program this value.

AD7SEL

This field selects the source signal for channel 7.

0 (AD7_PIN): AD7 pin

1 (NO_CONNECTION_OR_LOA): No connection or load

2 (TEMPERATURE_SENSOR): Temperature sensor

3 (RESERVED_DO_NOT_PRO): Reserved. Do not program this value.

RESERVED

Reserved. Always write zeroes to these bits.

Links

()