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): 40/64頁(yè)
文件大小: 814K
代理商: L6470HTR
L6470
Programming manual
Doc ID 16737 Rev 2
45/64
the synchronization signal is obtained starting from electrical position information (EL_POS
register) according to following Table 9:
9.1.20
ALARM_EN
The ALARM_EN register allows selecting which alarm signals are used to generate the
FLAG output. If the respective bit of ALARM_EN register is set high, the alarm condition
forces the FLAG pin output down.
9.1.21
CONFIG
The CONFIG register has the following structure:
Table 19.
SYNC signal source
SYNC_SEL[2..0]
Source
0
EL_POS[7]
0
1
EL_POS[6]
0
1
0
EL_POS[5]
0
1
EL_POS[4]
1
0
EL_POS[3]
1
0
1
EL_POS[2]
1
0
EL_POS[1]
1
EL_POS[0]
Table 20.
ALARM_EN register
ALARM_EN bit
Alarm condition
0 (LSB)
Overcurrent
1
Thermal shutdown
2
Thermal warning
3
Under-voltage
4
Stall detection (Bridge A)
5
Stall detection (Bridge B)
6
Switch turn-on event
7 (MSB)
Wrong or not performable command
Table 21.
CONFIG register
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
F_PWM_INT
F_PWM_DEC
POW_SR
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
OC_SD
RESERVED EN_VSCOMP SW_MODE EXT_CLK
OSC_SEL
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