MV78100 Datasheet, PDF (20/124 Pages) –

MV78100
Hardware Specifications
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
VDD_CPU
VDD
VDD_GE
VDD_M
VDDO_A
VDDO_B
VDDO_C
VDDO_D
VSS
PLL_AVDD
PLL_AVSS
IREF_AVDD
M_VREF
PEX0_AVDD
PEX1_AVDD
USB0_AVDD
USB1_AVDD
USB2_AVDD
SATA0_AVDD
SATA1_AVDD
Pin Type
Power
Power
Power
Power
Power
Power
Power
Power
GND
Power
GND
Power
Power
Power
Power
Power
Description
1.1V CPU voltage
1.0V core voltage
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)
1.8V I/O supply voltage for the DRAM interface
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)
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.)
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)
PCLK PLL quiet power supply 1.8V
NOTE: Implement the PLL filter as described in the MV76100, MV78100,
and MV78200 Design Guide.
PCLK PLL quiet VSS
NOTE: Implement the PLL filter as described in the MV76100, MV78100,
and MV78200 Design Guide.
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.
PCI Express PHY quiet power supply 1.8V.
NOTE: See the MV76100, MV78100, and MV78200 Design Guide for
power supply filtering recommendations.
USB 2.0 PHY quiet 3.3V power supply.
NOTE: See the MV76100, MV78100, and MV78200 Design Guide for power
supply filtering recommendation.
SATA quiet 2.5V power supply
NOTE: See MV76100, MV78100, and MV78200 Design Guide for power
supply filtering recommendation.
MV-S104552-U0 Rev. D
Page 20
Document Classification: Proprietary Information
Copyright © 2008 Marvell
December 6, 2008, Preliminary