ST SPC584B-DISP, User Manual

Page: 9 / 25

4.8 User interface (pushbuttons, LEDs and trimmers)
In the board three LEDs and three push-buttons are present and they are suitable for user purposes (see
Figure 10 ).
Figure 10. User pushbutton and LEDs
S2
SW_3
S3
SW_2
S4
SW_1
R105
10kΩ
GND GND GND
SW_User_1
SW_User_2
SW_User_3
VDD_HV_IO_Main
USER - Push Buttons
R106
10kΩ
R107
10kΩ
TP42
SW_1
TP41
SW_2
TP43
SW_3
JP45
Closed JP46
Closed JP48
Closed
R104
1kΩ
R108
1kΩ
R109
1kΩ
VDD_HV_IO_Main
LD9
User_LED_1
LED_User_2
LED_User_1
LED_User_3
USER - LEDs
TP39
LED_1
TP38
LED_2
TP40
LED_3
JP44
Closed
JP47
Closed
JP49
Closed
LD10
User_LED_2
LD11
User_LED_3
Two trimmers allow the evaluation of the ADC performance (see Figure 11 ).
Figure 11. Trimmers
R103
10kΩ
C127
100nF/50V
GND
C128
100nF/50V
C129
100nF/50V
GND
ADC_User_1
ADC_User_2
VDD_HV_ADC
VDD_HV_ADC
R102
10kΩ
USER - ADC Evaluation
TP36
ADC_2
TP37
ADC_1
JP42
Closed
JP43
Closed
ADC_User_1
ADC_User_2
4.9 Extended connectors (I/O headers)
Most of the GPIOs and signals are accessible by the connector X9, a 4x37 male pin array allowing connection of
additional boards and with the user HW application. The
Table 1 and Table 2 summarize the function and signal of
each pin.
Table 1. X9 (part I) - Extended connectors (I/O headers)
X9 pinA Function/Port pinA X9 pinB Function/Port pinB
A1 GND B1 5 V
A2 PD10_eMIOS0-UC23 B2 PA13_DSPI2_SCK
A3 PD9_GPIO57 B3 PH2_GPIO114
A4 PB2_eMIOS0-UC8 B4 PH4_GPIO116
A5 B5
A6 B6
A7 PA4_DSPI1-CS0 B7 PD6_DSPI1-SCK
A8 B8
A9 PC3_eMIOS0-UC7 B9 PA15_DSIP0-CS1
UM2462
User interface (pushbuttons, LEDs and trimmers)
UM2462 - Rev 3
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