AM3892 datasheet(98/299 Pages) TI

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AM3894

AM3892

SPRS681A – OCTOBER 2010 – REVISED MARCH 2011

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Table 3-30. Supply Terminal Functions (continued)

SIGNAL

TYPE(1)

OTHER

DESCRIPTION

NAME

NO.

1.5-V Regulator Power Supply for SATA

VDDR_SATA

V25, U25

Note: If the SATA is not used, for proper device operation, these

pins must be connected to a 1.5-V power supply.

1.5-V Regulator Power Supply for PCIe

VDDR_PCIE

Y25, W25

Note: If the PCIe is not used, for proper device operation, these

pins must be connected to a 1.5-V power supply.

L19, L18, L17,

L16, L15, L14,

Power Supply for DDR[0] I/Os:

K19, K18, K17,

DVDD_DDR[0]

K16, K15, K14,

•

1.5-V for DDR3 memory type

J18, J17, J16,

•

1.8-V for DDR2 memory type

J15, J14, E11,

A11, E1, A2

L24, L23, L22,

L21, L20, K24,

1.5-V Power Supply for DDR[1] I/Os:

K23, K22, K21,

DVDD_DDR[1]

K20, J24, J23,

•

1.5-V for DDR3 memory type

J22, J21, J20,

•

1.8-V for DDR2 memory type

J19, E27, D37,

A36, A27

1.8-V Power Supply for Device Oscillator

DEVOSC_DVDD18

E19

Note: If the oscillator is not used, this pin should be connected to

the 1.8-V power supply (DVDD1P8).

1.8-V Power Supply for USB0

Note: If the USB is not used, for proper device operation, this pin

VDD_USB0_1P8

R25

must be connected to a 1.8-V power supply, or when the USB

PHY is not used, this pin can be optionally connected to CVDDC.

1.8-V Power Supply for USB1

Note: If the USB is not used, for proper device operation, this pin

VDD_USB1_1P8

T25

must be connected to a 1.8-V power supply, or when the USB

PHY is not used, this pin can be optionally connected to CVDDC.

DVDD1P8

AJ20, AJ24

1.8-V Power Supply

1.8-V Reference Power Supply for VDAC

VDDA_REF_1P8

AT22

Note: If the VDAC is not used, these pins should be connected

to a 1.8-V power supply.

1.8-V Analog Power Supply for VDAC HD DAC

VDDA_HD_1P8

AJ22, AH22

Note: If the HD DAC is not used, these pins should be

connected to a 1.8-V power supply.

1.8-V Analog Power Supply for VDAC SD DAC

AJ21, AH21,

VDDA_SD_1P8

Note: If the SD DAC is not used, these pins should be connected

AH20

to a 1.8-V power supply.

Device Pins

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