Mmio Gpio Addresses For Leds And Battery Monitoring - Siemens SIMATIC IPC127E Operating Instructions Manual

Hardware description
10.4 Input/output address areas
10.4.3

MMIO GPIO addresses for LEDs and battery monitoring

COMMUINTY_BASE = Bus 0 Device 0x0d Function 0 Reg. 0x10
GPIO North Community PORT ID = 0xC5
GPIO North West Community PORT ID = 0xC4
GPIO_PADBAR = COMMUNITY_BASE + PORT ID << 16 + 0x500
GPO Reg = GPIO_PADBAR + GPIO_Offset Bit [0] (LEDs)
GPI Reg = GPIO_PADBAR + GPIO_Offset Bit [1] (Battery)
Example: Reg LED_USER1_RD_N_P1V8A = 0xD0C506A0
Function
LED
LED
LED
LED
LED
LED
LED
Battery
Battery
Battery
82
Community Offset Direction
0x1A0 Out
0x1A8 Out
0x1C8 Out
0x1D0 Out
0x1E0 Out
0x198 Out
0x1C0 Out
0x1E8 In
0x1B8 In
0x148 Out
Description
Low enable red User LED1
Low enable green User LED1
Low enable red User LED2
Low enable green User LED2
Low enable red User LED3
Low enable green User LED3
BIOS boot indicator
Low= OS Control
High= in BIOS Boot Time
High= CMOS battery level below 2.75V
High= CMOS battery level below 2.5V
High= enable CMOS Battery Check. Must be set
to 1 to read battery status
Operating Instructions, 01/2019, A5E44296915-AA
SIMATIC IPC127E