ADF4378 datasheet(72/84 Pages) AD

72 / 84 page

Data Sheet

ADF4378

analog.com

Rev. A | 72 of 84

Address: 0x31, Reset: 0x00, Name: REG0031

Figure 162.

Table 90. Bit Descriptions for REG0031

Bits

Bit Name

Description

Reset

Access

R031_RSV6

Reserved. Table 44 provides reserved register settings.

0x0

R/W

R031_RSV5

Reserved. Table 44 provides reserved register settings.

0x0

R/W

R031_RSV4

Reserved. Table 44 provides reserved register settings.

0x0

R/W

R031_RSV3

Reserved. Table 44 provides reserved register settings.

0x0

R/W

R031_RSV2

Reserved. Table 44 provides reserved register settings.

0x0

R/W

[2:0]

R031_RSV1

Reserved. Table 44 provides reserved register settings.

0x0

R/W

Address: 0x32, Reset: 0x00, Name: REG0032

Figure 163.

Table 91. Bit Descriptions for REG0032

Bits

Bit Name

Description

Reset

Access

R032_RSV5

Reserved. Table 44 provides required reserved register settings.

0x0

R/W

ADC_CLK_SEL

Select Clock Source Presented to ADC Clock Divider. For more information, see Figure 74.

0x0

R/W

0: select internal clock. Normal operation. Used during VCO calibrations and full power die temperature

measurement.

1: select SCLK pin. Ambient die temperature measurements with the temperature sensor. For more

information, see the Temperature Sensor section.

R032_RSV4

Reserved. Table 44 provides required reserved register settings.

0x0

R/W

R032_RSV3

Reserved. Table 44 provides required reserved register settings.

0x0

R/W

R032_RSV2

Reserved. Table 44 provides required reserved register settings.

0x0

R/W

[2:0]

R032_RSV1

Reserved. Table 44 provides required reserved register settings.

0x0

R/W

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