5. Each Component Function
BX710 series User’s Manual
107
I/O Addresses and Instructions
* 4000h: General-purpose I/O
D6
D5
D4
D3
D2
D1
D0
D7
PIO2
PIO1
PIO0
R/W
Figure 5.12. 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
WD_S0
WD_S1
PO2_M
PIM2
PIM1
PIM0
RESET
D6
D5
D4
D3
D2
D1
D0
D7
Figure 5.13. Event Input Control Port (4001h)
Table 5.16. PIM2 - PIM0 : Interrupt output mode
RIM2 RIM1 RIM0
PI2/IRQ (14) interrupt input
0 0 1
Input the RAS connector's PI2/IRQ (14) signal to IRQ5.
0 1 0
Input the RAS connector's PI2/IRQ (14) signal to IRQ7.
0 1 1
Reserved * Do not set this value.
1 0 0
Input the RAS connector's PI2/IRQ (14) signal to IRQ10.
1 0 1
Input the RAS connector's PI2/IRQ (14) signal to IRQ11.
1 1 0
Input the RAS connector's PI2/IRQ (14) signal to NMI.
Others
Inhibit the RAS connector's PI2/IRQ (14) signal interrupt to be
set.
Table 5.17. RESET: 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.
CAUTION
A bit indicated with "rsv" is used by the system. Do not modify the bit.
Содержание BX710 Series
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