MCT8317A datasheet(76/161 Pages) TI1

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8.7.1.2 MOTOR_STARTUP1 Register (Offset = 82h) [Reset = 00000000h]

MOTOR_STARTUP1 is shown in Figure 8-50 and described in Table 8-12.

Return to the Table 8-9.

Figure 8-50. MOTOR_STARTUP1 Register

PARITY

ALIGN_RAMP_RATE

ALIGN_TIME

R/W-0h

ALIGN_TIME

ALIGN_CURR_THR

ALIGN_DUTY

R/W-0h

IPD_CLK_FREQ

IPD_CURR_THR

R/W-0h

IPD_ADV_ANGLE

IPD_REPEAT

SLOW_FIRST_CYC_FREQ

R/W-0h

Table 8-12. MOTOR_STARTUP1 Register Field Descriptions

Bit

Field

Type

Reset

Description

PARITY

R/W

Parity bit

30-27

ALIGN_RAMP_RATE

R/W

Align voltage ramp rate

0h = 0.1 V/s

1h = 0.2 V/s

2h = 0.5 V/s

3h = 1 V/s

4h = 2.5 V/s

5h = 5 V/s

6h = 7.5 V/s

7h = 10 V/s

8h = 25 V/s

9h = 50 V/s

Ah = 75 V/s

Bh = 100 V/s

Ch = 250 V/s

Dh = 500 V/s

Eh = 750 V/s

Fh = 1000 V/s

26-23

ALIGN_TIME

R/W

Align time

0h = 5 ms

1h = 10 ms

2h = 25 ms

3h = 50 ms

4h = 75 ms

5h = 100 ms

6h = 200 ms

7h = 400 ms

8h = 600 ms

9h = 800 ms

Ah = 1 s

Bh = 2 s

Ch = 4 s

Dh = 6 s

Eh = 8 s

Fh = 10 s

MCT8317A

SLLSFQ2 – JANUARY 2023

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