5. Each Component Function
User’s Manual
77
I/O Addresses and Instructions
* 4000h : General-purpose I/O
D6
D5
D4
D3
D2
D1
D0
D7
PIO2
PIO1
PIO0
R/W
Figure 5.11. General-purpose I/O 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 (See P74 for bits 4 to 6.)
WD_S0
WD_S1
PO2_M
PIM2
PIM1
PIM0
RESET
D6
D5
D4
D3
D2
D1
D0
D7
Figure 5.12. Event Input Control Port (4001h)
Table 5.18. PIM2-PIM0
PIM2 PIM1 PIM0
PI2/IRQ (14) interrupt input
0
0
0
Inhibit the RAS connector's PI2/IRQ (14) signal interrupt to be set.
0
0
1
Input the RAS connector's PI2/IRQ (14) signal to NMI.
0
1
0
Input the RAS connector's PI2/IRQ (14) signal to IRQ5.
0
1
1
Input the RAS connector's PI2/IRQ (14) signal to IRQ7.
1
0
0
Input the RAS connector's PI2/IRQ (14) signal to IRQ9.
1
0
1
Input the RAS connector's PI2/IRQ (14) signal to IRQ10.
1
1
0
Input the RAS connector's PI2/IRQ (14) signal to IRQ11.
Table 5.19. RESET: Reset Input Modes
RESET
PI2/IRQ (14)'s RESET input
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.
