Configuration
—Daughter Cards
MPC5777C EVB User Guide, Rev. 0
20
Freescale
The connection of any power domain to a regulator has to be enabled by a dedicated jumper as
described in
Table 9
.
Table 9: MCU power selection jumpers
Jumper
Description
Jumper Setting (* - Default)
J1
3.3V Selection
1-2: 3.3V from onboard Power SBC
2-3: 3.3V from Mother Board*
J2
5V Selection
1-2: 5V from onboard Power SBC
2-3: 5V from Mother Board*
J3
IO Levels in the Mother
Board - VDD_HV_IO_MAIN
1-2: Select 3.3V
2-3: Select 5V*
J5
ADC Analog Supply
Selection
1-2: Select 5V from Linear Regulator*
2-3: Select 5V from Switching Regulator
J6
Connect TRNG, Internal RC
oscillator Supply -
VDDA_MISC
1-2: Connect VDDA_MISC to 5V_SR*
J7 & J8
Connect SD ADC supply &
Reference
–VDDA_SD,
VRH_SD
J7, 1-2: Connect VDDA_SD*
J8, 1-2: Connect VRH_SD*
J9 & J10
Connect eQADC supply &
Reference
– VDDA_EQ,
VRH_EQ
J9, 1-2: Connect VDDA_EQ*
J10, 1-2: Connect VRH_EQ*
J14
Fast I/O Pads supply
selection - VDDE2
1-2: Select 3.3V*
2-3: Select 5V
J15
RAM Standby supply
selection -VSTBY
1-3: Select 3.3V
5-3: Select GND*
4-3: Select 5V
J16
SMPS Driver Supply
Selection - VDDPWR
1-2: Select 3.3V
2-3: Select 5V*
J17
Core Supply generation,
Regulation Mode - REGSEL
1-2: Select SMPS Configuration (VDD_PMC)
2-3: Select Linear Configuration (GND)*
J18
PMC Supply Selection
–
VDDPMC
1-2: Select 3.3V
2-3: Select 5V*
J19
Core Supply generation,
Regulator Control -REGCTL
1-2: Select SMPS to derive (1.25V_SR_OB2)
2-3: Select Linear to derive (1.25V_SR_OB1)*
J21
VDD Core Supply
Selection
1-2: 1.25V from Mother Board*
3-4: 1.25V onboard Regulator (Linear Mode)
5-6: 1.25V onboard Regulator (Switching Mode)
7-8: 1.25V from onboard Power SBC
J24
Medium I/O Pads supply
selection
– VDDEH3A
1-2: Select 3.3V
2-3: Select 5V*
J26
Connect Flash Core Supply
- VDDFLA
1-2: Connect VDDFLA to 3.3V_SR
J28
Fast I/O Pads supply
selection - VDDE2A
1-2: Select 3.3V*
2-3: Select 5V
J29
Medium I/O Pads supply
selection - VDDEHx
1-2: Select 3.3V
2-3: Select 5V*