Freescale Semiconductor MPC5777C EVB, User Manual, Page: 19 / 61

Configuration
—Daughter Cards
MPC5777C EVB User Guide, Rev. 0
19 Freescale
Available power supply modes of MPC577C are listed in
Table 7
Table 7: Power modes of MPC5777C
Configuration
Mode
Name
3.3V Flash
Supply
1.2V
Regulator
controller REGSEL VDDFLA
VDDPMC&V
DDPWR
Internal 3.3V Flash regulator with
1.2V linear regulator controller
LDO5V
Internal
Regulator
Internal Linear
Mode
Low/GND Bypass caps
External 5V
supply
Internal 3.3V regulator with 1.2V
SMPS regulator controller
SMPS5V
Internal
Regulator
Internal SMPS High/5V Bypass caps
External 5V
supply
External 3.3V regulator with
internal 1.2V linear regulator
controller
LDO3V External
Internal Linear
Mode
Low/GND
External
3.3V supply
External 3.3V
supply
External 3.3V regulator with
internal 1.2V SMPS regulator
controller
SMPS3V External Internal SMPS High/3.3V
External
3.3V supply
External 3.3V
supply
External supplies with on-chip
low voltage detect
External External
External
Supply
Low/GND
External
3.3V supply
External 3.3V
supply
External supplies, except flash
powered by internal regulator
External
Internal
Regulator
External
Supply
Low/GND Bypass caps
External 5V
supply
Jumper options to achieve the above power supply modes are shown in
Table 8:
Table 8: Jumper options for various power modes
Mode
name
J17
(REGSEL_TO
_GND)
J26
(VDDFLA_SEL)
J16
(VDDPWR_SE
L)
J18
(VDDPMC_SE
L)
J19
(REGCTL_SE
L)
J21
(1V25_SR_MB_SEL)
LDO5V 2&3 -GND
OPEN - Bypass
caps
2&3 - 5V_SR 2&3 - 5V_SR
2&3 for LV
Linear
Regulator
3&4 for
1.25V_SR_OB1 (LR)
SMPS5V
1&2 - HIGH -
5V
OPEN - Bypass
caps
2&3 - 5V_SR 2&3 - 5V_SR
1&2 for LV
SPMS
5&6 for
1.25V_SR_OB2(SR)
LDO3V 2&3 -GND
CLOSED -
VDDPWR&
VDDPMC
1&2 - 3V3_SR 1&2 - 3V3_SR
2&3 for LV
Linear
Regulator
3&4 for
1.25V_SR_OB1 (LR)
SMPS3V
1&2 - HIGH -
3V3
CLOSED -
VDDPWR&
VDDPMC
1&2 - 3V3_SR 1&2 - 3V3_SR
1&2 for LV
SPMS
5&6 for
1.25V_SR_OB2(SR)
External 2&3 -GND
CLOSED -
VDDPWR&
VDDPMC
1&2 - 3V3_SR 1&2 - 3V3_SR N/C
1&2 for 1.25V_SR_MB
7&8 for SBC_1V25
External 2&3 -GND
OPEN - Bypass
caps
2&3 - 5V_SR 2&3 - 5V_SR N/C
1&2 for 1.25V_SR_MB
7&8 for SBC_1V25