HARD
RESET
0x00,
Vbat
POR
-
SOFT
RESET
0x00,
0x00
CONFIGURATION
REGISTER
Primary Base I/O Address
INDEX
0x60,
0x61
TYPE
R/W
Vcc POR
0x00,
0x00
Vtr POR
0x00,
0x00
0x00
0x70
0x74
0xF0
0xF1
R/W
R/W
R/W
R/W
0x00
0x04
0x3C
0x00
0x00
0x04
0x3C
0x00
0x00
0x04
0x3C
0x00
-
-
-
-
0x00
Primary Interrupt Select
DMA Channel Select
0x04
-
-
Parallel Port Mode Register
Parallel Port Mode Register 2
LOGICAL DEVICE 4 CONFIGURATION REGISTERS (Serial Port 1)
0x30
R/W
R/W
0x00
0x00
0x00
-
-
0x00
Activate
0x60,
0x61
0x00,
0x00
0x00,
0x00
0x00,
0x00
0x00,
0x00
Primary Base I/O Address
0x70
0xF0
R/W
R/W
0x00
0x00
0x00
0x00
0x00
0x00
-
-
0x00
-
Primary Interrupt Select
Serial Port 1 Mode Register
LOGICAL DEVICE 5 CONFIGURATION REGISTERS (Serial Port 2)
0x30
R/W
R/W
-
-
0x00
-
-
-
Activate
0x60,
0x61
0x00,
0x00
0x00,
0x00
0x00,
0x00
0x00,
0x00
Primary Base I/O Address
0x70
0xF0
0xF1
0xF2
R/W
R/W
R/W
R/W
0x00
0x00
0x02
0x03
0x00
0x00
0x02
0x03
0x00
0x00
0x02
0x03
-
-
-
-
0x00
Primary Interrupt Select
Serial Port 2 Mode Register
IR Options Register
-
-
-
IR Half Duplex Timeout
LOGICAL DEVICE 6 CONFIGURATION REGISTERS (Reserved)
LOGICAL DEVICE 7 CONFIGURATION REGISTERS (Keyboard)
0x30
0x70
0x72
0xF0
R/W
R/W
R/W
R/W
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
-
-
-
-
0x00
0x00
0x00
-
Activate
Primary Interrupt Select
Second Interrupt Select
KRESET and GateA20
Select
LOGICAL DEVICE 8 CONFIGURATION REGISTERS (Aux I/O)
0x30
0xB0
R/W
R/W
0x00
-
0x00
-
0x00
-
-
0x00
-
Activate
0x00
Soft Power Enable Register
1 3
0xB1
0xB2
0xB3
R/W
R/W
R/W
-
-
-
-
-
-
-
-
-
0x80
0x00
0x00
-
-
-
Soft Power Enable Register
2 3
Soft Power Status Register 1
3
Soft Power Status Register 2
3
0xB8
0xC0
R/W
R/W
-
-
-
-
0x00
-
-
-
Delay 2 Time Set Register
IRQ Mux Control 3
0x00
0x00
163
SMSC [ SMSC CORPORATION ]
