参数资料
型号: L6460TR
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, PQFP64
封装: 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, TQFP-64
文件页数: 67/139页
文件大小: 3837K
代理商: L6460TR
L6460
Supervisory system
Doc ID 17713 Rev 1
33/139
state. This stretch time can be selected by setting the ID[1:0] bits in the SampleID register
according to following table.
When nRST_int becomes active (logic level = “0”) it sets in their reset state some of the
functions inside L6460. The main functions that will be reset by nRST_int signal are the
following:
Serial interface will be reset and will not accept any other command.
The bridges 1 and 2 will place their outputs in high impedance and PWM and
direction signals will be reset.
AD converter will be powered off.
GPIOs will be powered off.
Current DAC will be powered off.
Operational amplifiers will be powered off.
Watchdog count will be reset (while Watchdog flags won’t be reset).
Interrupt controller will be powered off.
Digital comparator will be powered off.
Additionally the system regulators will be powered off but only if the voltage that caused the
nRST_int event is checked before the system regulator in the power up sequence. This
means that:
all system regulators will be powered off if nRST_int is caused by VSupply,
VSupplyInt, VPump (and also if V3v3 causes a POR);
no one of the system regulators will be powered off if nRST_int is caused by
VGPIO_SPI;
only the system regulators that follows the system regulator that caused the
nRST_int in power up sequence will be powered off.
Table 6.
Stretch time selection
ID[1]
ID[0]
Selected stretch time
Note
Typ
0
16ms
Default state
01
32ms
10
48ms
11
64ms
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