Contec BX-100n-DC5000-C01 User Manual page 51

4. Each Component Function
I/O Addresses and Instructions
* 4000h: General-purpose I/O
D7 D6 D5
Figure 4.12. General-purpose Input Port (4000h)
R : Read data from PI0, PI1 and PI2.
W : Set data to be output to PO0, PO1 and PO2.
* 4001h (bit0-3): PI2/IRQ(14) event input control
D7 D6 D5
WD_S1 WD_S0
Figure 4.13. Event Input Control Port (4001h)
Table 4.16. PIM2 - PIM0 : Interrupt output mode
RIM2 RIM1
0 0
0 1
0 1
1 0
1 0
1 1
Others
Table 4.17. RESET: Reset Input Modes
RESET
0 Inhibit the remote reset input function of the RAS connector's PI2/IRQ (14) signal.
1 Use as the remote reset input function of the RAS connector's PI2/IRQ (14) signal.
CAUTION
A bit indicated with "rsv" is used by the system. Do not modify the bit.
44
D4 D3 D2
PIO2
D4 D3 D2
PO2_M RESET PIM2
RIM0
Input the RAS connector's PI2/IRQ (14) signal to IRQ5.
1
Input the RAS connector's PI2/IRQ (14) signal to IRQ7.
0
1 Reserved * Do not set this value.
Input the RAS connector's PI2/IRQ (14) signal to IRQ10.
0
Input the RAS connector's PI2/IRQ (14) signal to IRQ11.
1
0 Input the RAS connector's PI2/IRQ (14) signal to NMI.
Inhibit the RAS connector's PI2/IRQ (14) signal interrupt to be
set.
PI2/IRQ (14)'s RESET input
D1 D0
PIO1 PIO0 R/W
D1 D0
PIM1 PIM0
PI2/IRQ (14) interrupt input
BX-100n User's manual