DA14581_16 datasheet(113/153 Pages) DIALOG

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Datasheet

Revision 3.2

17-Jan-2017

CFR0011-120-01

113 of 153

DA14581

Bluetooth Low Energy 4.2 SoC with Optimized Boot Time

FINAL

r/w

KBRD_P21_EN

enable P2[1] for the keyboard interrupt

0x0

r/w

KBRD_P20_EN

enable P2[0] for the keyboard interrupt

0x0

Table 174: KBRD_IRQ_IN_SEL1_REG (0x50001414)

Bit

Mode

Symbol

Description

Reset

Table 175: KBRD_IRQ_IN_SEL2_REG (0x50001416)

Bit

Mode

Symbol

Description

Reset

r/w

KBRD_P37_EN

enable P3[7] for the keyboard interrupt

0x0

r/w

KBRD_P36_EN

enable P3[6] for the keyboard interrupt

0x0

r/w

KBRD_P35_EN

enable P3[5] for the keyboard interrupt

0x0

r/w

KBRD_P34_EN

enable P3[4] for the keyboard interrupt

0x0

r/w

KBRD_P33_EN

enable P3[3] for the keyboard interrupt

0x0

r/w

KBRD_P32_EN

enable P3[2] for the keyboard interrupt

0x0

r/w

KBRD_P31_EN

enable P3[1] for the keyboard interrupt

0x0

r/w

KBRD_P30_EN

enable P3[0] for the keyboard interrupt

0x0

Table 176: GP_ADC_CTRL_REG (0x50001500)

Bit

Mode

Symbol

Description

Reset

r/w

GP_ADC_LDO_ZER

Forces LDO-output to 0V.

0x0

r/w

GP_ADC_LDO_EN

Turns on LDO.

0x0

r/w

GP_ADC_CHOP

Takes two samples with opposite GP_ADC_SIGN to cancel

the internal offset voltage of the ADC; Highly recommended

for DC-measurements.

0x0

r/w

GP_ADC_MUTE

Takes sample at mid-scale (to dertermine the internal offset

and/or noise of the ADC with regards to VDD_REF which is

also sampled by the ADC).

0x0

r/w

GP_ADC_SE

0 = Differential mode

1 = Single ended mode

0x0

r/w

GP_ADC_SIGN

0 = Default

1 = Conversion with opposite sign at input and output to can-

cel out the internal offset of the ADC and low-frequency

0x0

9:6

r/w

GP_ADC_SEL

ADC input selection which must be set before the

GP_ADC_START bit is enabled.

If GP_ADC_SE = 1 (single ended mode):

0000 = P0[0]

0001 = P0[1]

0010 = P0[2]

0011 = P0[3]

0100 = AVS

0101 = VDD_REF

0110 = VDD_RTT

0111 = VBAT3V

1000 = VDCDC

1001 = VBAT1V

All other combinations are reserved.

If GP_ADC_SE = 0 (differential mode):

0000 = P0[0] vs P0[1]

All other combinations are P0[2] vs P0[3].

0x0

r/w

GP_ADC_MINT

0 = Disable (mask) GP_ADC_INT.

1 = Enable GP_ADC_INT to ICU.

0x0

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