User manual

93 PCA-6028 User Manual
Appendix B I/O Pin Assignments
B.18 Fixed I/O Ranges Decoded by Intel PCH
Table B.18: Fixed I/O Ranges Decoded by PCH
I/O Address Read Target Write Target Internal Unit
00h–1Fh RESERVED RESERVED Not Decoded
20h–21h Interrupt Controller Interrupt Controller Interrupt
24h–25h Interrupt Controller Interrupt Controller Interrupt
28h–29h Interrupt Controller Interrupt Controller Interrupt
2Ch–2Dh Interrupt Controller Interrupt Controller Interrupt
2Eh–2Fh LPC SIO LPC SIO Forwarded to LPC
30h–31h Interrupt Controller Interrupt Controller Interrupt
34h–35h Interrupt Controller Interrupt Controller Interrupt
38h–39h Interrupt Controller Interrupt Controller Interrupt
3Ch–3Dh Interrupt Controller Interrupt Controller Interrupt
40h–42h Timer/Counter Timer/Counter PIT (8254)
43h RESERVED Timer/Counter PIT
4Eh–4Fh LPC SIO LPC SIO Forwarded to LPC
50h–52h Timer/Counter Timer/Counter PIT
53h RESERVED Timer/Counter PIT
60h Microcontroller Microcontroller Forwarded to LPC
61h NMI Controller NMI Controller Processor I/F
62h Microcontroller Microcontroller Forwarded to LPC
63h NMI Controller NMI Controller Processor I/F
64h Microcontroller Microcontroller Forwarded to LPC
65h NMI Controller NMI Controller Processor I/F
66h Microcontroller Microcontroller Forwarded to LPC
67h NMI Controller NMI Controller Processor I/F
70h RESERVED1 NMI and RTC Controller RTC
71h RTC Controller RTC Controller RTC
72h RTC Controller NMI and RTC Controller RTC
73h RTC Controller RTC Controller RTC
74h RTC Controller NMI and RTC Controller RTC
75h RTC Controller RTC Controller RTC
76h RTC Controller NMI and RTC Controller RTC
77h RTC Controller RTC Controller RTC
80h LPC or PCIe2 LPC or PCIe2
Forwarded to LPC or
PCIe
81h–83h RESERVED RESERVED Not Decoded
84h–86h RESERVED LPC or PCIe
Forwarded to LPC or
PCIe
87h RESERVED RESERVED Not Decoded
88h RESERVED LPC or PCIe2
Forwarded to LPC or
PCIe
89h–8Bh RESERVED RESERVED Not Decoded
8Ch–8Eh RESERVED LPC or PCIe2
Forwarded to LPC or
PCIe
8Fh RESERVED RESERVED Not Decoded
90h Alias to 80h Alias to 80h Forwarded to LPC