DA14581_16 datasheet(120/153 Pages) DIALOG

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Datasheet

Revision 3.2

17-Jan-2017

CFR0011-120-01

120 of 153

DA14581

Bluetooth Low Energy 4.2 SoC with Optimized Boot Time

FINAL

4:0

r/w

PID

Function of port

0 = Port function, PUPD as set above

1 = UART1_RX

2 = UART1_TX

3 = UART2_RX

4 = UART2_TX

5 = SPI_DI

6 = SPI_DO

7 = SPI_CLK

8 = SPI_EN

9 = I2C_SCL

10 = I2C_SDA

11 = UART1_IRDA_RX

12 = UART1_IRDA_TX

13 = UART2_IRDA_RX

14 = UART2_IRDA_TX

15 = ADC (only for P0[3:0])

16 = PWM0

17 = PWM1

18 = BLE_DIAG (only for P0[7:0])

19 = UART1_CTSN

20 = UART1_RTSN

21 = UART2_CTSN

22 = UART2_RTSN

23 = PWM2

24 = PWM3

25 = PWM4

Note: when a certain input function (like SPI_DI) is selected

on more than 1 port pin, the port with the lowest index has

the highest priority and P0 has higher priority than P1.

0x0

Table 194: P03_MODE_REG (0x5000300C)

Bit

Mode

Symbol

Description

Reset

Table 195: P04_MODE_REG (0x5000300E)

Bit

Mode

Symbol

Description

Reset

15:10

Reserved

0x0

9:8

r/w

PUPD

00 = Input, no resistors selected

01 = Input, pull-up selected

10 = Input, Pull-down selected

11 = Output, no resistors selected

In ADC mode, these bits are don't care

0x2

7:5

Reserved

0x0

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