Intel C2350 FH8065401488914 Data Sheet

Product codes
FH8065401488914
Page of 746
Volume 2—8259 Programmable Interrupt Controller (PIC)—C2000 Product Family
Register Map
Intel
®
 Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 2 of 3
September 2014
560
Order Number: 330061-002US
The register descriptions in 
 are one set of fixed I/O addresses to access the 
8254 I/O registers. 
 shows the original I/O address and the associated 
aliased I/O addresses.
§ §
Table 29-5. 8259 I/O Registers in Fixed I/O Space (One Possibility)
Offset
Name
Description
0x020
Master Initialization Command Word 1
0x021
Master Initialization Command Word 2
0x024
Master Operational Control Word 2
0x025
Master Initialization Command Word 3
0x028
Master Operational Control Word 3
0x029
Master Initialization Command Word 4
0x02D
Master Operational Control Word 1 (Interrupt Mask)
0x0A0
Slave Initialization Command Word 1
0x0A1
Slave Initialization Command Word 2
0x0A4
Slave Operational Control Word 2
0x0A5
Slave Initialization Command Word 3
0x0A8
Slave Operational Control Word 3
0x0A9
Slave Initialization Command Word 4
0x0AD
Slave Operational Control Word 1 (Interrupt Mask)
0x4D0
Master Edge/Level Control
0x4D1
Slave Edge/Level Control