Ground Pins
© 2008 Advanced Micro Devices, Inc.
41978 AMD RS690M Databook 3.06
Proprietary
3-15
3.13
Ground Pins
VDDR3
3.3V
2
D11, E11
I/O power for the following I/O pads:
POWERGOOD, SYSRESET#
VDD_PLL
1.2V
2
E7, F7
PCI-E interface PLL power
IOPLLVDD12
(RS690T only)
1.2V
1
AB17
1.2V power for memory I/O PLLs
IOPLLVDD18
(RS690T only)
1.8V
1
AA17
1.8V power for memory I/O PLLs
LPVDD
1.8V
1
D14
Power for LVDS PLL macro.
LVDDR18D
1.8V
2
A12, B12
1.8V LVDS Digital Power, used for the digital portions of the LVDS
transmitter
LVDDR33
3.3V
2
C12, C13
3.3V LVDS Analog Power, used for the output stage of the
transmitter. This power supply needs to be adequately filtered to
prevent noise injection.
PLLVDD18
1.8V
1
A10
1.8V power for system PLLs
PLLVDD12
1.2V
1
A11
1.2V power for system PLLs
HTPVDD
1.8V
1
B24
Power for HyperTransport interface PLL
Total Power Pin Count
RS690M:
88
RS690T:
89
Table 3-14 Ground Pins
Pin Name
Pin Count
Ball Reference
Comments
AVSSN
2
G17, H17
Dedicated analog ground for the DAC
AVSSQ
1
A22
Dedicated ground for the Band Gap Reference. Effort should be
made at the board level to provide as clean a ground as possible
to this pin to avoid noise injection, which can affect display quality.
Adequate decoupling should be provided between this pin and
AVDD.
AVSSDI
1
B20
Dedicated digital ground for the DAC (1.8V)
IOPLLVSS
(RS690T only)
1
Y17
Ground for system PLLs
LPVSS
1
E14
LVDS PLL macro ground pin
LVSSR
8
A14, A16, C15, C16, C19,
D12, F14, F15
LVDS interface ground pin
Table 3-13 Power Pins (Continued)
Pin Name
Voltage
Pin
Count
Ball Reference
Comments
Содержание RS690M
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