ADS8699IPWR datasheet(50/74 Pages) TI2

50 / 74 page

7.6.1.3 SDI_CTL_REG Register (address = 08h)

This register configures the protocol used for writing data to the device.

Figure 7-19. SDI_CTL_REG Register

Reserved

R-0000h

Reserved

SDI_MODE

[1:0]

R-00h

R-000000b

R/W-<00>b

LEGEND: R/W = Read/Write; R = Read only; -n = value after reset; -0, -1 = Condition after application reset;

LEGEND: -<0>, -<1> = Condition after power-on reset

Address for bits 7-0 = 08h

Address for bits 15-8 = 09h

Address for bits 23-16 = 0Ah

Address for bits 31-24 = 0Bh

Table 7-13. SDI_CTL_REG Register Field Descriptions

Bit

Field

Type

Reset

Description

31-16

Reserved

0000h

Reserved. Reads return 0000h.

15-8

Reserved

00h

Reserved. Reads return 00h.

7-2

Reserved

000000b Reserved. Reads return 000000b.

1-0

SDI_MODE[1:0]

R/W

00b

These bits select the protocol for reading from or writing to the device.

00b = Standard SPI with CPOL = 0 and CPHASE = 0

01b = Standard SPI with CPOL = 0 and CPHASE = 1

10b = Standard SPI with CPOL = 1 and CPHASE = 0

11b = Standard SPI with CPOL = 1 and CPHASE = 1

ADS8691, ADS8695, ADS8699

SBAS777B – DECEMBER 2016 – REVISED MARCH 2021

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