參數(shù)資料
型號(hào)： L6470HTR
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： STEPPER MOTOR CONTROLLER, 7 A, PDSO28
封裝： ROHS COMPLIANT, HTSSOP-28
文件頁(yè)數(shù)： 46/64頁(yè)
文件大小： 814K
代理商： L6470HTR
Programming manual
L6470
50/64
Doc ID 16737 Rev 2
Any attempt to write the CONFIG register when the motor is running causes the command
to be ignored and the NOTPERF_CMD flag to rise (see paragraph 9.1.22).
9.1.22
STATUS
When HiZ flag is high it indicates that the bridges are in high impedance state. Whichever
motion command makes the device to exit from High Z state (HardStop and SoftStop
included), unless error flags forcing a High Z state are active.
The UVLO flag is active low and is set by an under-voltage lock out or reset events (power-
up included).
The TH_WRN, TH_SD, OCD flags are active low and indicate respectively thermal warning,
thermal shutdown and over-current detection events.
STEP_LOSS_A and STEP_LOSS_B flags are forced low when a stall is detected on bridge
A or bridge B respectively.
The NOTPERF_CMD and WRONG_CMD flags are active high and indicate respectively
that the command received by SPI can't be performed or does not exist at all.
The SW_F report the SW input status (low for open and high for closed).
The SW_EVN flag is active high and indicates a switch turn-on event (SW input falling
edge).
Table 32.
Available PWM frequencies [kHz]: 32 MHz oscillator frequency
F_PWM_DEC
F_PWM_
INT
000
001
010
011
100
101
110
111
000
39.1
46.9
54.7
62.5
78.1
93.8
109.4
125.0
001
19.5
23.4
27.3
31.3
39.1
46.9
54.7
62.5
010
13.0
15.6
18.2
20.8
26.0
31.3
36.5
41.7
011
9.8
11.7
13.7
15.6
19.5
23.4
27.3
31.3
100
7.8
9.4
10.9
12.5
15.6
18.8
21.9
25.0
101
6.5
7.8
9.1
10.4
13.0
15.6
18.2
20.8
110
5.6
6.7
7.8
8.9
11.2
13.4
15.6
17.9
Table 33.
STATUS register
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
SCK_MOD
STEP_LOSS_B
STEP_LOSS_A
OCD
TH_SD
TH_WRN
UVLO
WRONG_CMD
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
NOTPERF_CMD
MOT_STATUS
DIR
SW_EVN
SW_F
BUSY
HiZ
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