ADF4377 datasheet(60/79 Pages) AD

60 / 79 page

Data Sheet

ADF4377

analog.com

Rev. 0 | 60 of 79

Table 67. Bit Descriptions for REG001C

Bits

Bit Name

Description

Reset

Access

[1:0]

R01C_RSV1

Reserved. Table 42 provides required reserved register settings.

0x0

R/W

Address: 0x1D, Reset: 0x00, Name: REG001D

Figure 131.

Table 68. Bit Descriptions for REG001D

Bits

Bit Name

Description

Reset

Access

[7:4]

MUXOUT

Select Test Signal Presented on MUXOUT Pin.

0x0

R/W

0000: high-Z.

0001: LKDET. Lock detector output.

0010: low.

0011: low.

0100: fDIV_RCLK/2.

0101: fDIV_NCLK/2.

0110: reserved.

0111: low.

1000: high.

1001: reserved.

1010: reserved.

1011: low.

1100: low.

1101: low.

1110: reserved.

1111: reserved.

R01D_RSV1

Reserved. Table 42 provides required reserved register settings.

0x0

R/W

EN_CPTEST

Enable Charge Pump Test Mode.

0x0

R/W

0: disabled. Normal operation.

1: enabled.

CP_DOWN

Enables Charge Pump Sink Current when EN_CPTEST is Enabled.

0x0

R/W

0: disabled.

1: enabled.

CP_UP

Enables Charge Pump Source Current when EN_CPTEST is Enabled.

0x0

R/W

0: disabled.

1: enabled.

Address: 0x1E, Reset: 0x00, Name: REG001E

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