8
8-3
PG 720 Programming Device
C79000-G7076-C720-02
Table 8-2
I/O Address Assignments
I/O Addresses
Hardware
Interrupt Used
Chip/Module
0026 H/0027 H
Configuration data
0040 H-0043 H
Timer/counter 1 (8254)
IRQ 0
0044 H-004F H
Not used
0050 H-005F H
Not used
0060 H/0064 H
Keyboard controller (8042)
IRQ 1, IRQ 12
0061 H
Port B: Timer/loudspeaker/parity system bus/
RAM
NMI
0062 H
Reserved
0063 H
Reserved
0065 H-006F H
Not fully decoded
0070 H-0071 H
Real-time clock (146818) NMI enable
0072 H-007F H
Not used
0080 H-008F H
DMA page register (74 612)
0090 H-0091 H
Not used
0092 H
Port A: Fast reset, A20
0093 H-009F H
Not used
00A0 H-00A1 H
Interrupt controller 2 (slave/8259A)
IRQ 2
00A2
H-00BF H
Reserved
00C0 H-00DF H
DMA controller 2 (8237)
00E0 H-00EF H
Not used
00F0 H
Numeric processor Cancel Busy
00F1 H
Numeric processor Reset
00F2 H-00F3 H
Not used
00F4 H-00FB H
Not used
00FC H-00FF H
Numeric processor (’486)
IRQ 13
0100 H-016F H
Not used
0170 H-0177 H
Reserved (Winchester controller 2)
0178 H-01EF H
Not used
01F0 H-01FF H
Winchester controller 1;
IDE interface of motherboard
IRQ 14
0200 H-020F H
Not used (game I/O)
0210 H-0277 H
Not used
0278 H-027F H
Not used
0280 H-02AF H
Not used
02B0 H-02DF H
Not used
02F0 H-02E7 H
Not used
Hardware Information
Содержание SIMATIC PG 720
Страница 32: ...3 3 18 PG 720 Programming Device C79000 G7076 C720 02 Getting to Know the PG 720 ...
Страница 56: ...4 4 24 PG 720 Programming Device C79000 G7076 C720 02 Installing the PG 720 ...
Страница 76: ...6 6 10 PG 720 Programming Device C79000 G7076 C720 02 Configuring the Programming Device ...
Страница 80: ...7 7 4 PG 720 Programming Device C79000 G7076 C720 02 Error Diagnostics ...