AD8065 datasheet(59/68 Pages) AD

59 / 68 page

Data Sheet

AD3552R

REGISTERS

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Rev. A | 59 of 68

DAC Register for Channel 1, Fast Mode

Address: 0x2B, Reset: 0x0000, Name: CH1_DAC_16B

This register contains the data currently played on DAC Channel 1.

Table 45. Bit Descriptions for CH1_DAC_16B

Bits

Bit Name

Settings

Description

Reset

Access

[15:0]

DAC_DATA1

Channel 1 DAC Data.

0x0

R/W

DAC Page Register, Fast Mode

Address: 0x2D, Reset: 0x0000, Name: DAC_PAGE_16B

This register is used to write data to one or both channels according to the configuration of the SEL_CHx bits in the CH_SELECT_16B register.

It can be used to write both channels simultaneously without using the LDAC signal.

Table 46. Bit Descriptions for DAC_PAGE_16B

Bits

Bit Name

Settings

Description

Reset

Access

[15:0]

DAC_PAGE

DAC Page Data. Following a write to this register, the DAC code loaded into this register is

copied into the DAC register of any channels selected in the CH_SELECT_16B register.

0x0

R/W

Channel Select for Page Registers, Fast Mode

Address: 0x2F, Reset: 0x00, Name: CH_SELECT_16B

This register selects which channel registers are updated following a write to the DAC_PAGE_16B or INPUT_PAGE_16B registers.

Table 47. Bit Descriptions for CH_SELECT_16B

Bits

Bit Name

Settings

Description

Reset

Access

[7:2]

RESERVED

Reserved.

0x0

SEL_CH1

Select Channel 1. When this bit is set, data written to the INPUT_PAGE_16B register is

copied to the CH1_INPUT_16B register and data written to the DAC_PAGE_16B register is

copied to the CH1_DAC_16B register.

0x0

R/W

0 No operation.

1 Copy to corresponding register in Channel 1.

SEL_CH0

Select Channel 0. When this bit is set, data written to the INPUT_PAGE_16B register is

copied to the CH0_INPUT_16B register and data written to the DAC_PAGE_16B register is

copied to the CH0_DAC_16B register.

0x0

R/W

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