Product Info

22
1SC
Pin
No
ModulePinName ALT12
50IC
PinNo
ALT1250ICSymbolPin
Name
Type Input/
Output
Reset
Value
IO
Domain/
Supply
Description
107-
115
GND_PAD
Table 4 Pin description
If not used, all pins except the following should be left disconnected.
1SCPinNo ModulePinName PD(KΩ) PU(KΩ) PUSource Description
4 EJ_TRST 10 Reserved (No Connection)
5 PMU_AT_IN Short to GND Anti-tamper input; short to GND if not used
64 PMU_SHUTDOWN 560 VRTC Shutdown active low; PU to PMU_VRTC
66 PMU_POWER_BUTTON 560 VRTC Power button active low; PU to PMU_VRTC
Table 5 I/Os with PU/PD
The PMU_VRTC pin must not be used by any external component other than pull-ups for the
PMU_SHUTDOWN and PMU_POWER_BUTTON pins. It is prohibited to use the PMU_VRTC
pin for any other purpose.
The UARTs Port A (20, 21, 22, 74) and Port C (43, 45, 46, 94) signals should be brought out for
control and logging during certification/testing with PC tools.