![TQ-Systems MBLX2160A User Manual Download Page 44](http://html1.mh-extra.com/html/tq-systems/mblx2160a/mblx2160a_user-manual_1146554044.webp)
User's Manual l MBLX2160A UM 0101 l © 2022, TQ-Systems GmbH
Page 38
3.10.2
GP LEDs and GP buttons
Two GP_LEDs and two GP_BUTTONs are provided on the MBLX2160A. They are controlled as follows:
•
GP_LED V41:
GPIO3_DATA08
•
GP_LED V42:
GP_LED_2 via Port Expander D21
•
GP_BUTTON S8:
GPIO3_DATA09 or IRQ6
•
GP_BUTTON S9:
GPIO3_DATA10 or IRQ7
Figure 36:
GP LEDs and GP buttons, position
3.10.3
Status LEDs
Seven Status LEDs are provided on the MBLX2160A. For a better overview they are grouped:
Figure 37:
Status LEDs, position
Table 24:
Status LEDs
Reference
Colour
Signal
Description
V44
Blue
VIN_FILT_STANDBY
Signals the presence of a supply voltage
V19
Green
LED_PMC_ALIVE
Operational readiness of the Power Management Controller
V20
Green
TQMLX_PGOOD
PGOOD Signal coming from TQMLX2160A
V21
Green
MBLX_PGOOD
PGOOD Status of the MBLX2160A
V50
Red
TQMLX_RST_IN#
Reset signal to TQMLX2160A
V51
Red
EVENT_TEMPSENSOR#
Interrupt signal from temperature sensor on the TQMLX2160A
V52
Red
MBLX_FAILURE
Error status on the MBLX2160A
GP LEDs
GP Buttons