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AS5116

Digital Interface

– UART

Datasheet

• PUBLIC

DS000686

• v4-00 • 2022-Feb-18

│ 17

7.1

The table below shows all accessible digital registers implemented in the AS5116 sensor.

Figure 17:

Address

Name

Function

Default

Description

0x01

UART_ERROR

0x00

Indication of framing and parity

errors

0x03

P2RAM_CONTROL

R/W

0x00

P2RAM handling

0x16

CONFIG1

R/W/P

0x00

Configuration of output setting

0x17

CONFIG2

R/W/P

0x00

Configuration of gain and diagnostic

mode

0x18

CUST_CHIP_ID1

R/W/P

0x00

Spare bits for custom chip ID

0x19

CUST_CHIP_ID2

R/W/P

0x00

Spare bits for custom chip ID

0x1A

CUST_CHIP_ID3

R/W/P

0x00

Spare bits for custom chip ID

0x1B

ECC

R/W/P

0x00

Configuration of ECC function

0x50

ECC_CHECKSUM

0x00

Calculated ECC checksum based on

actual register settings

0x51

ECC_STATUS

0x00

Indicates actual ECC status if ECC

function is enabled

7.1.1

UART_ERROR Register

– 0x01

In the UART_ERROR Register problems during UART communication are indicated. Error bits are

sticky and clear on read.

UART_SYNC Bit indicates a problem with the synchronization frame. This is usually the case if the

Baudrate was not defined correctly. Baudrate window is defined from 1.1 kbit/s to 70 kbit/s.

UART_PARITY bit indicates a parity error during a UART-Write command. UART_FRAME bit

indicates an error, if after synchronization the UART line stays low for more than twice the usual

expected time (too long frame).

Figure 18:

UART_ERROR Register

– 0x01

Bit Position

Bit Name

Default

Description

UART_SYNC

UART synchronization error

UART_PARITY

UART parity error

UART_FRAME

UART frame too long error

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