MAQ430 – 12-BIT, AUTOMOTIVE ANGLE SENSOR WITH ABZ & UVW OUTPUTS

MAQ430 Rev. 1.2

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16

8/8/2022

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Figure 14: Example Write Output Rotation Direction (RD) to Counterclockwise (High), on Register 9, Bit 7

Parity bit

The parity bit, or check bit, is added to the output string to ensure that the total number of 1

’s in the

string is even. It is used as error detecting code for angle or register reading. The MagAlpha transmits

the parity bit at the 17th clock edge.

Table 5: Example of Parity bit

16-bits output

Number of

bits set to

"1"

Output with the parity bit

0000000000000000

0

00000000000000000

1000110001100010

6

10001100011000100

0101110100000000

5

01011101000000001

CS

SCLK

MISO

Angle

MOSI

0

Figure 15: Angle reading with parity bit