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
文件頁數(shù): 38/64頁
文件大?。?/td> 814K
代理商: L6470HTR
L6470
Programming manual
Doc ID 16737 Rev 2
43/64
9.1.17
OCD_TH
The OCD_TH register contains the overcurrent threshold value (see paragraph 6.9 for
details). The available range is from 375 mA to 6 A, steps of 375 mA as shown in Table 14.
9.1.18
STALL_TH
The STALL_TH register contains the stall detection threshold value (see paragraph 7.2 for
details). The available range is from 31.25 mA to 4 A with a resolution of 31.25 mA.
9.1.19
STEP_MODE
The STEP_MODE register has the following structure:
The STEP_SEL parameter selects one of eight possible stepping modes:
Table 14.
Overcurrent detection threshold
OCD_TH [3..0]
Overcurrent detection threshold
00
375 mA
00
01
750 mA
………
11
10
5.625 A
11
6 A
Table 15.
Stall detection threshold
STALL_th [6..0]
Stall detection threshold
00
0000
0
31.25 mA
00
0000
1
62.5 mA
…………
……
11
1111
0
3.969 A
11
1111
1
4 A
Table 16.
STEP_MODE register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
SYNC_EN
SYNC_SEL
0
STEP_SEL
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