ADS1258IPHPREP datasheet(41/59 Pages) TI1

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ADS1258-EP

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SBAS445D

– MARCH 2009 – REVISED MARCH 2011

GPIOC: GPIO CONFIGURATION REGISTER (Address = 07h)

CIO7

CIO6

CIO5

CIO4

CIO3

CIO2

CIO1

CIO0

Default = FFh.

This register configures the GPIO pins as inputs or as outputs. Note that the default configurations of the port

pins are inputs and as such they should not be left floating. See the GPIO Digital Port section.

0 = GPIO is an output; 1 = GPIO is an input (default).

CIO[7:0] GPIO Configuration

bit 7

CIO7, Digital I/O Configuration Bit for Pin GPIO7

bit 6

CIO6, Digital I/O Configuration Bit for Pin GPIO6

bit 5

CIO5, Digital I/O Configuration Bit for Pin GPIO5

bit 4

CIO4, Digital I/O Configuration Bit for Pin GPIO4

bit 3

CIO3, Digital I/O Configuration Bit for Pin GPIO3

bit 2

CIO2, Digital I/O Configuration Bit for Pin GPIO2

bit 1

CIO1, Digital I/O Configuration Bit for Pin GPIO1

bit 0

CIO0, Digital I/O Configuration Bit for Pin GPIO0

GPIOD: GPIO DATA REGISTER (Address = 08h)

DIO7

DIO6

DIO5

DIO4

DIO3

DIO2

DIO1

DIO0

Default = 00h.

This register is used to read and write data to the GPIO port pins. When reading this register, the data returned

corresponds to the state of the GPIO external pins, whether they are programmed as inputs or as outputs. As

outputs, a write to the GPIOD sets the output value. As inputs, a write to the GPIOD has no effect. See the

GPIO Digital Port section.

0 = GPIO is logic low (default); 1 = GPIO is logic high.

DIO[7:0] GPIO Data

bit 7

DIO7, Digital I/O Data bit for Pin GPIO7

bit 6

DIO6, Digital I/O Data bit for Pin GPIO6

bit 5

DIO5, Digital I/O Data bit for Pin GPIO5

bit 4

DIO4, Digital I/O Data bit for Pin GPIO4

bit 3

DIO3, Digital I/O Data bit for Pin GPIO3

bit 2

DIO2, Digital I/O Data bit for Pin GPIO2

bit 1

DIO1, Digital I/O Data bit for Pin GPIO1

bit 0

DIO0, Digital I/O Data bit for Pin GPIO0

ID: DEVICE ID REGISTER (Address = 09h)

ID7

ID6

ID5

ID4

ID3

ID2

ID1

ID0

Default = 8Bh.

ID[7:0] ID Bits

Factory-programmed ID bits. Read-only.

Except for the ID4 bit, the ID byte can change at any time without notice.

ID4: 0= ADS1258, ADS1258-EP (24-Bit ADCs)

ID4: 1= ADS1158 (16-Bit ADC)

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Product Folder Link(s): ADS1258-EP

ADS1258IPHPREP Datasheet(PDF) 41 Page - Texas Instruments

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