AK7401 Datasheet, PDF (19/29 Pages) Asahi Kasei Microsystems – Rotary Position Sensor IC

[AK7401]
11) R_PWMF, R_PWMPL (Addr. 0x0A)
DATA[11:0]
11
10
9
8
7
6
5
4
3
2
1
0
-
R_PWMPL[2:0]
R_PWMF[5:0]
These registers contain the configuration data for PWM frequency and polarity.
In plus polarity, PWM duty increases according to angle data increase.
In minus polarity, PWM duty increases according to angle data decrease.
PWM Polarity
Plus
Minus
PWM Frequency
[Hz]
1000
500
250
R_PWMPL[2:0]
0x0
0x7
R_PWMF[5:0]
0x00
0x07
0x3F
Default
●
Default
●
12) R_PWMOMD (Addr. 0x0B)
DATA[11:0]
11
10
9
8
7
6
5
4
3
2
1
0
-
R_PWMOMD[2:0]
These registers contain the configuration data of the output type for the OUT pin.
The output type configuration of the OUT pin provides Push-pull and NMOS-open-drain.
PWM output type
Push-pull
NMOS-open-drain
R_PWMOMD[2:0]
0x0
0x7
Default
●
13) R_IT (Addr. 0x0D)
DATA[11:0]
11
10
9
8
7
6
5
4
3
2
1
0
-
R_IT[5:0]
-
These registers contain the configuration data for moving average filter.
The configuration of moving average filter provides SPC (2 times averaging), HP (8 times averaging)
and OFF (without averaging procedure).
Average filter
SPC
HP
OFF
R_IT[5:0]
0x00
0x07
0x3F
Default
●
014002685-E-01
- 19 -
2015/07