Intel C2550 FH8065401488912 Data Sheet
Product codes
FH8065401488912
Volume 2—High Precision Event Timer (HPET)—C2000 Product Family
Register Map
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 2 of 3
September 2014
546
Order Number: 330061-002US
28.5.1
Memory-Mapped Registers
The register space is memory mapped to a 1-KB block starting at address FED0_0000h.
All registers are in the core power well. Accesses that cross the register boundaries
result in undefined behavior.
§ §
Table 28-5. HPET Registers in Memory Space
Address in
Memory Space
Name
Description
0xFED00000
General Capabilities and ID
0xFED00010
General Configuration
0xFED00020
General Interrupt Status
0xFED000F0
Main Counter Value
0xFED00100
Timer 0 Configuration and Capabilities
0xFED00108
Lower Timer 0 Comparator Value
0xFED0010C
Upper Timer 0 Comparator Value
0xFED00120
Timer 1 Configuration and Capabilities
0xFED00128
Timer 1 Comparator Value
0xFED00140
Timer 2 Configuration and Capabilities
0xFED00148
Timer 2 Comparator Value