AD4080BBCZ datasheet(91/95 Pages) AD

91 / 95 page

Data Sheet

AD4080

CONFIGURATION REGISTERS

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Rev. 0 | 91 of 95

FIFO Watermark Register

Address: 0x1D and Address: 0x1E, Reset: 0x4000, Name: FIFO_WATERMARK

In event trigger capture mode, read all FIFO, the FIFO event address can be read. Otherwise, it is the watermark value. If the user writes a

value <1, it is clipped at 1. If >16,384, clipped at 16,384.

Figure 132. FIFO Watermark Register

Table 56. Bit Descriptions for FIFO_WATERMARK

Bits

Bit Name

Description

Reset

Access

RESERVED

Reserved. Write 0b0 to this bit.

0x0

[14:0]

FIFO_WATERMARK

Number of Conversion to Capture in FIFO. In event trigger capture mode, read all FIFO, this value must

be set as a multiple of four only. In this mode, once a WATERMARK number of results have been written

to the FIFO, these bits contain the location in the FIFO where the event occurred.

0x4000

R/W

Event Detection Hysteresis Configuration Register

Address: 0x20 and Address: 0x1F, Reset: 0x0000, Name: EVENT_HYSTERESIS

Figure 133. Event Detection Hysteresis Configuration Register

Table 57. Bit Descriptions for EVENT_HYSTERESIS

Bits

Bit Name

Description

Reset

Access

[15:11]

RESERVED

Reserved. Write 0b00000 to these bits.

0x0

[10:0]

HYSTERESIS

Hysteresis Value. Unsigned data format where LSB = 1.46484 mV. 0x000 represents 0 × LSB, and 0x7FF

represents 2047 × LSB.

0x0

R/W

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