Siemens SIMATIC PG 720 P Manual page 91

Table 8-2 I/O Address Assignments
Address Size
from to byte
0000 000F 16
0010 001F 16
0020 0021 2
0022 1
0023 1
0024 1
0025 002D 9
002E 002F 2
0030 003F 16
0040 0042 3
0043 1
0044 005F 28
0060 1
0061 1
0062 0063 2
0064 1
0065 006F 11
0070 1
0071 1
0072 0080 15
0081 0083 3
0084 0086 3
0087 1
0088 1
0089 008B 3
008C 008E 3
008F 1
0090 0091 2
0092 1
0093 009F 13
PG 720 P Programming Device
C79000-G7076-C721-02
Description
Basic Function
82C558E ––> DMA 1 Control
Register
(DMA 0, 1, 2, 3)
Unoccupied
82C558E ––> Interrupt controller 1
Control Register
Integrated 82C206 and Chipset
Configuration Index Register
(SYSCFG)
82C558E ––> Integrated 82C206
Configuration Data Register
Chipset Configuration Data Register
(SYSCFG)
Unoccupied
Configuration port ultra I/O
Unoccupied
82C558E ––> Timer Channel 0..2
(Clock,Refresh,Speaker )
82C558E ––> Timer Control Register
Unoccupied
Keyboard controller date
82C558E ––> System Control Port B
(Timer,Speaker control,NMI,Parity )
Unoccupied
Keyboardcontroller CMD / STATUS
Unoccupied
NMI enable, RTC Index
RTC date
Unoccupied
82C558E ––> DMA Page Register
Ch2,3,1
Unoccupied
82C558E ––> DMA Page Register
Ch0
Unoccupied
82C558E ––> DMA Page Register
Ch6,7,5
Unoccupied
82C558E ––> DMA Page Register
Ch4
Unoccupied
82C558E ––> System Control Port A
(Fast Reset,Fast A20)
Unoccupied
Hardware Information
Possible Alternative Function
8-3