dave_user
45
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Changes
m
'''TBD: indicare le connessioni del segnale di reset verso altri device interni (come per esempio la NOR SPI'''
→Reset scheme and control signals
* '''PMIC_STBY_REQ''', pulled-down with 100 kohm
* '''ONOFF''', pulled-up with 100 kohm
The electrical and functional characteristics of these signals are listed in the following table:
!Signal
!Type
!DriveDriven!Affect
!Purpose
|-
|'''SYS_nRST'''
|PMIC Input, pulled-up inside the PMIC|Externally|PMIC
|
|-
|'''WDOG_B'''
|PMIC Input, pulled-up with 100 kohminside the SOM|Externally or SoC|PMIC
|
|-
|'''CPU_PORn'''
|PMIC Output, open drain, on SOM pulled-up with 100 kohm inside the SOM |PMIC|SoC, onboard eMMC and PHY ETH, External
|
|-
|'''SOM_PGOOD'''
|Monitor Output, 3V3 LVTTL|SOM|External
|
|-
|'''PMIC_INTn'''
|InputPMIC Output, pulled-up with 10 kohminside the SOM|PMIC|SoC and External
|
|-
|'''PMIC_ON_REQ'''
|PMIC Input, pulled-down with 100 kohminside the SOM|Externally or SoC|PMIC
|
|-
|'''PMIC_STBY_REQ'''
|PMIC Input, pulled-down with 100 kohminside the SOM|Externally or SoC|PMIC
|
|-
|'''ONOFF'''
|SoC Input, pulled-up with 100 kohminside the SOM|Externally|SoC
|
|}