Intel C2550 FH8065401488912 Data Sheet
Product codes
FH8065401488912
Volume 3—Operating Conditions and Power Requirements—C2000 Product Family
Normal Operating Conditions
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 3 of 3
September 2014
696
Order Number: 330061-002US
34.2.3
Voltage Supply Pins and VR Groups
shows the voltage regulator groups and the SoC voltage supply pins in each
group.
Table 34-9. Voltage Supply Pins and VR Groups (Sheet 1 of 3)
Voltage Regulator Group
Voltage Supply Pin/Ball Name
Number of Pins/
Balls
CPU Core Power Source
VCC
VCCCPUVIDSI0_1P03
42
VCC Sense
(The SoC output pins to be used by VR
on the platform board.)
VCCCPUVIDSI0_1P03_SENSE
VSSRAMCPUSI1_1P03_SENSE
1
1
VNN Power Source
VNN
VNN
22
DDR3 Power Source
VDDQ
(1.35V or 1.5V, Switched)
VDDQA
VCCDDR_0_1P5
24
VCCCLKDDR_0_1P5
1
2
VDDQB
VCCDDR_1_1P5
1
24
VCCCLKDDR_1_1P5
1
2
3.3V SUS Well Power Source
V3P3A
(3.3V, Always on)
VCCUSBSUS_3P3
2
VCCPADXXXSUS_3P3
2
3.3V Core Well Power Source
V3P3S
(3.3V, Switched)
VCCPADXXXSI0_3P3
1
1.8V SUS Power Sources
V1P8A
(1.8V, Always on)
VCCUSBSUS_1P8
2
VCCPADXXXSUS_1P8
2
1.8V Core Well Power Source
V1P8S
(1.8V, Switched)
VCCPADXXXSI0_1P8
2
1.35V Core Well Power Source
V1P35S
(1.35V, Switched)
VCCSFRPLLDDR_0_1P5
1
VCCSFRPLLDDR_1_1P5
1
VCCSFRXXXSI0_1P35
4
1.07V Core Well Power Source
VCCSRAM
(1.07V, Switched)
VCCRAMCPUSI1_1P03
7
VCCSRAM Sense
(The SoC output pins to be used by VR
on the platform board.)
VCCRAMCPUSI1_1P03_SENSE
VSSRAMCPUSI1_1P03_SENSE
1
1
1. For SKU 8, even though DDR3 channel 1 is not used, all channel 1 VDDQ power pins must be supplied
power from the VDDQ channel 0 power source.