Alif Semiconductor /AE512F80F55D5AS_CM55_HE_View /DAC120 /DAC_REG1

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Interpret as DAC_REG1

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (Val_0x0)DAC_EN 0 (Val_0x0)DAC_INPUT_BYP_MUX_EN 0DAC_BYP_VAL0DAC_CAP_CONT 0 (Val_0)DAC_HP_MODE_EN 0 (Val_0x0)DAC_TWOSCOMP_EN 0DAC_IBIAS 0 (Val_0x0)DAC_RESET_B

DAC_EN=Val_0x0, DAC_INPUT_BYP_MUX_EN=Val_0x0, DAC_RESET_B=Val_0x0, DAC_HP_MODE_EN=Val_0, DAC_TWOSCOMP_EN=Val_0x0

Description

REG1 DAC Control Register

Fields

DAC_EN

DAC enable:

0 (Val_0x0): DAC is disabled

1 (Val_0x1): DAC is enabled

DAC_INPUT_BYP_MUX_EN

Selects DAC input data source:

0 (Val_0x0): DAC_IN register

1 (Val_0x1): DAC_REG1[DAC_BYP_VAL] bitfield (bypass mode)

DAC_BYP_VAL

DAC input data in bypass mode

DAC_CAP_CONT

Trims HP mode capacitance compensation: From xx00 = 2 pF to xx11 = 8 pF Step size = 2 pF Default is xx11 = 8 pF for DAC120 and xx00 for DAC121 Bits [17-16] = Don’t care

DAC_HP_MODE_EN

DAC high-performance mode enable.

0 (Val_0): Low-power (LP) mode (default for DAC121)

1 (Val_1): High-performance (HP) mode (default for DAC120)

DAC_TWOSCOMP_EN

Converts two’s complement to unsigned binary data:

0 (Val_0x0): Input data is unsigned

1 (Val_0x1): Input data is two’s complement signed (conversion to unsigned enable)

DAC_IBIAS

Trims buffer output current (HP mode): From 0000 = 0 uA to 1111 = 1.5 mA Default is 1111 for DAC120 and 0000 for DAC121 Step size ~100 uA

DAC_RESET_B

DAC reset:

0 (Val_0x0): Reset asserted

1 (Val_0x1): Reset released

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