SABRE-LL-I datasheet(76/141 Pages) STMICROELECTRONICS

76 / 141 page

AD converter

SABRE-LL-I

76/141

The sample time can be changed by modifying the A2DSampleX[2:0] bits in the

A2DConfigX register; depending on which is the A2DType bit, the available sample times

are reported in the following tables.

Table 52.

Channel addresses

A2DChannelX[4:0] (bin.)

Converted channel

Note

00000

VSupply scaled

See voltage divider specification.

00001

VSupplyInt scaled

See voltage divider specification.

00010

Vref_2_5V

00011

Temp Sensor1

Temperature sensor1

00100

Temp Sensor2

Temperature sensor2

00101

V3v3 scaled

See voltage divider specification.

0011X

Not used

01000

Not used

01001

GPIO[0]

01010

GPIO[1]

01011

GPIO[2]

01100

GPIO[3]

01101

GPIO[4]

01110

GPIO[5]

01111

GPIO[6]

10000

GPIO[7]

10001

GPIO[8] clamp

See current DAC circuit

10010

GPIO[9]

10011

GPIO[10]

10100

GPIO[11]

10101

GPIO[12]

10110

GPIO[13]

10111

GPIO[14]

11000

MuxRefOpAmp1

11001

MuxRefOpAmp2

11010

OutStripStepperPhA

11011

OutStripStepperPhB

11100

Not used

11101

ST reserved

References AUX1 switching reg.

11110

ST reserved

0.8V reference voltage

11111

ST reserved

1.65V reference voltage

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