User`s guide

Setting up Power Management
i.MX53 System Development User’s Guide, Rev. 1
Freescale Semiconductor 5-5
VDD_FUSE Fusebox program supply (Write
only)
3.15 Ext DCDC
1
3.2 1000 6
NVCC_NANDF Ultra high voltage I/O (UHVIO)
supplies
UHVIO_L
- LDO8 1.8 200 2
NVCC_SD1
NVCC_SD2
NVCC_PATA
NVCC_KEYPAD
NVCC_GPIO
NVCC_FEC
NVCC_EIM_
MAIN
NVCC_EIM_SEC
1.8 LDO3 3.3 200 6
UHVIO_H 2.775
UHVIO_UH 3.3
NVCC_CSI LDO8 1.8 200 2
TVDAC_DHVDD
TVDAC_
AHVDDRGB
TVE digital and analog power
supply, TVE-to-DAC level shifter
supply, cable detector supply,
analog power supply to RGB
channel
2.775 LDO7 2.75 200 5
For GPIO use only, when TVE is
not in use
1.8 or
2.775
NVCC_SRTC_
POW
SRTC Core and I/O supply (LVIO) 1.3 LDO1 1.3 40 0
NVCC_RESET LVIO 1.8 or
2.775
LDO8 1.8 200 2
USB_H1_
VDDA25
USB_OTG_VDD
A25
USB_PHY analog supply,
oscillator amplifier analog supply
2.5 VBUCKPERI_
SW
2.475 1000 4
NVCC_XTAL VBUCKPERI 2.475 1000 2
USB_H1_
VDDA33
USB_OTG_
VDDA33
USB PHY I/O analog supply 3.3 Ext DCDC
1
3.2 1000 6
VDD_REG Power supply input for the
integrated linear
regulators
2.5 VBUCKPERI 2.475 1000 2
Table 5-1. i.MX53 Voltage Rails and Associated DA9053 Regulator (continued) (continued)
Voltage Rail Description
Nominal
Voltage
Associated
DA9053
Regulator
Voltag e S et
Point of
DA9053
Regulator
(V)
Current
Capability
(mA)
Power up
Sequence
Set at the
DA9053