Pin Information
Pin Descriptions
2.2.1
Power Supply Pins
Table 3 provides the voltage levels for the various interface pins. These also include the analog
power supplies for the PLLs or PHYS.
Table 3: Power Supply Pins
Pin Name
Pin Type
Description
VDD_CPU0
VDD_CPU1
Power
1.1V CPU voltage
VDD
Power
Power
1.0V core voltage
VDD_GE
1.8V or 3.3V I/O supply voltage for the Ethernet interface (for the exact reset
configuration, refer to Section 7.4, Pins Sample Configuration)
VDD_M
Power
Power
Power
1.8V I/O supply voltage for the DRAM interface
VDDO_A
VDDO_B
3.3V I/O supply voltage for the TWSI1, SPI, JTAG interfaces
1.8V or 3.3V I/O supply voltage for Device Bus[31:16], TWSI0 (for the exact
reset configuration, refer to Section 7.4, Pins Sample Configuration)
VDDO_C
Power
1.8V or 3.3V I/O supply voltage for the Device Bus[15:0], Device Bus
controls, MPP[23:12], UART, and system signals:
•
•
•
•
•
REF_CLK_SSC
REF_CLK_PT
SYSRSTn
TCLK_OUT
TCLK_IN
(For the exact reset configuration, refer to Section 7.4, Pins Sample
Configuration.)
VDDO_D
Power
1.8V or 3.3V I/O supply voltage for MPP[11:0] (for the exact reset
configuration, refer to Section 7.4, Pins Sample Configuration)
VSS
GND
PLL_AVDD
Power
PCLK PLL quiet power supply 1.8V
NOTE: Implement the PLL filter as described in the MV76100, MV78100,
and MV78200 Design Guide.
PLL_AVSS
IREF_AVDD
M_VREF
GND
PCLK PLL quiet VSS
NOTE: Implement the PLL filter as described in the MV76100, MV78100,
and MV78200 Design Guide.
Power
Power
SATA and USB PHYs current source voltage filtered 1.8V
NOTE: Implement the PLL filter as described in the MV76100, MV78100,
and MV78200 Design Guide.
SSTL Reference Voltage
Reference voltage for SSTL interface, typically VDD_M/2.
Note: See the MV76100, MV78100, and MV78200 Design Guide for the
VREF recommended topology.
PEX0_AVDD
PEX1_AVDD
Power
PCI Express PHY quiet power supply 1.8V.
NOTE: See the MV76100, MV78100, and MV78200 Design Guide for
power supply filtering recommendations.
Copyright © 2008 Marvell
MV-S104671-U0 Rev. C
December 6, 2008, Preliminary
Document Classification: Proprietary Information
Page 21
MARVELL [ MARVELL TECHNOLOGY GROUP LTD. ]
