參數(shù)資料
型號： L6460TR
廠商： STMICROELECTRONICS
元件分類： 運動控制電子
英文描述： STEPPER MOTOR CONTROLLER, PQFP64
封裝： 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, TQFP-64
文件頁數(shù)： 6/139頁
文件大?。?/td> 3837K
代理商： L6460TR
L6460
GPIO pins
Doc ID 17713 Rev 1
103/139
22.3
GPIO[2]
The GPIO[2] truth table is (for the abbreviation list please refer to Table 40).
Table 43.
GPIO[2] truth table
AUX2Enable
or
AUX2System
GPIO[1] SPI BITS
Function
Note
GpioOut
Enable [1]
Mode[2]
Mode[1]
Mode[0]
1
XXX
X
AUX2 FB
(1)
1.
AUX2Enable or AUX2System bit =1 represent the case in which AUX1 is used as a System or Not System
regulator.
00
0
X
HiZ (SPI_IN)
0
1
X
Comp1 IN -
(2)
2.
In all configurations in which GPIO[2] is enabled as output:
a) the GPIO[2] pin can be always used as an analog input to the ADC system (ADC function) by writing
its address in the A2DChannelX[4:0] in the A2DConfigX register and starting a conversion;
b) the GPIO[2] pin can be always used as a digital input so its value can be always read through SPI
interface (SPI_IN function);
c)
please note that GPIO[2] output is directly connected to ExtPWM3 input for Bridge 3 or 4 and therefore
particular care must be taken in order to avoid wrong PWM signals when ExtPWM3 is selected for
bridge 3 or 4;
d) the GPIO[2] pin is an open drain output.
0
1
0
SPI OUT
01
0
1
AuxPwm2
01
0
1
0
AuxPwm3
0
1
0
1
InterruptCtrl
0
1
0
SPI OUT inverted
01
1
0
1
AuxPwm2 inverted
01
1
0
AuxPwm3 inverted
01
1
IntCtrlinverted
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