82091AA Datasheet, PDF (54/204 Pages) Intel Corporation – ADVANCED INTEGRATED PERIPHERAL (AIP)

82091AA
Table 9 Serial Port Address and Interrupt Assignments
SPCFG3
(RTSB )
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
SPCFG2
(RTSA )
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
SPCFG1
(SOUTB)
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
SPCFG0
(SOUTA)
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Serial Port B
Address
Interrupt
Assignment Assignment
Disable
Disable
Disable
Disable
3F8 – 3FFh
IRQ4
3E8 – 3EFh
IRQ4
3F8 – 3FFh
IRQ4
3F8 – 3FFh
IRQ4⁽¹⁾
2F8 – 2FFh
IRQ3
2F8 – 2FFh
IRQ3
Disable
2F8 – 2FFh
IRQ3
2E8 – 2EFh
IRQ3
2E8 – 2EFh
IRQ3
2E8 – 2EFh
IRQ3⁽¹⁾
2E8 – 2EFh
IRQ3
Serial Port A
Address
Interrupt
Assignment Assignment
Disable
3F8 – 3FFh
IRQ4
2F8 – 2FFh
IRQ3
3E8 – 3EFh
IRQ4
Disable
Disable
2F8 – 2FFh
IRQ3
3E8 – 3EFh
IRQ4⁽¹⁾
Disable
3F8 – 3FFh
IRQ4
2E8 – 2EFh
IRQ3
3E8 – 3EFh
IRQ4
Disable
3F8 – 3FFh
IRQ4
2F8 – 2FFh
IRQ3⁽¹⁾
3E8 – 3EFh
IRQ4
NOTE
1 In this configuration the two serial ports share the same interrupt line Responding correctly to interrupts generated in this
configuration is the exclusive responsibility of software
Table 10 Parallel Port Address and Interrupt Assignments
PPCFG1 (DTRB )
0
0
1
1
PPCFG0 (DTRA )
0
1
0
1
Parallel Port Address
Assignment
Disable
378 – 37Fh
278 – 27Fh
3BC – 3BFh
Parallel Port Interrupt
Assignment
IRQ7
IRQ5
IRQ7
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