Operating-state
Run ROM or flash image.
MCC reads V2M-Juno r2 configuration files from microSD card
MCC enables VAON, VIO, VSYS, Cortex-A53, Cortex-A72, and Mali-T624 GPU.
MCC enables
S32K_CLK
,
SYS_REF_CLK
, and V2M-Juno r2 board clocks.
MCC reads the daughterboard configuration files and starts configuration of the daughterboard.
MCC releases the SCC reset
CFG_nRST
.
MCC pre-loads the flash images.
Apply power
You can use the UART port to:
* Access the MCC command-line interface.
* Access the microSD card through the configuration USB port.
Standby-state
No
ON/OFF/Soft Reset
button pressed?
No
MCC reads the V2M-Juno r2 EEPROM and daughterboard EEPROM and does preliminary configuration.
Yes
CB_nPOR
and
CB_nRST
resets released, processor starts executing code
Hardware RESET
or
ON/OFF/Soft Reset
button pressed?
Sleep-state
ON/OFF/Soft Reset
button pressed briefly
Powerdown sequence
Hardware RESET
button pressed or
ON/OFF/
Soft Reset
button pressed for more than 2
seconds
SCP wake-up
sequence
ON/OFF/Soft Reset
button pressed briefly
Figure 3-2 Transitions between standby-state, operating-state, and sleep-state
3.2.2
Powerup and configuration sequence
The powerup and configuration sequence takes the V2M-Juno r2 motherboard from the standby-state to
the operating-state.
Pressing the
On/Off Soft Reset
button initiates the following sequence:
1. The board applies power to the system.
2. The MCC powers the EEPROM on the V2M-Juno r2 motherboard and the EEPROM on any fitted
LogicTile daughterboard and reads them to determine the HBI identification codes for the boards.
3. The system enters the standby-state.
4. The system enables the MCC command-line interface on the UART.
3 Configuration
3.2 Configuration process and operating modes
ARM 100114_0200_03_en
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