Product specifications

VT1211 LPC SuperIO and Hardware Monitor
Revision 1.0 January 8, 2002 -17- Register Summary Tables
Technologies, Inc.
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Table 5. Register Summary – LDN Registers
FDC Control Registers (LDN 0)
Offset Floppy Disk Controller Default Acc
30 Floppy Controller Activate 00 RW
61-60 FDC I/O Base Address
03F0
RW
70 FDC IRQ Select
06
RW
74 FDC DRQ Select 01 RW
F0 Floppy Controller Configuration 00 RW
F1 Floppy Drive Select 00 RW
Parallel Port Control Registers (LDN 1)
Offset Parallel Port Default Acc
30 Parallel Port Activate
03
RW
61-60 Parallel Port I/O Base Address
0378
RW
70 Parallel Port IRQ Select
05
RW
74 Parallel Port DRQ Select 00 RW
F0 Parallel Port Control 00 RW
Serial Port 1 Control Registers (LDN 2)
Offset Serial Port 1 Default Acc
30 Serial Port 1 Activate 00 RW
61-60 Serial Port 1 I/O Base Address
03F8
RW
70 Serial Port 1 IRQ Select
04
RW
F0 Serial Port 1 Control 00 RW
Serial Port 2 Control Registers (LDN 3)
Offset Serial Port 2 Default Acc
30 Serial Port 2 Activate 00 RW
61-60 Serial Port 2 I/O Base Address
02F8
RW
70 Serial Port 2 IRQ Select
03
RW
F0 Serial Port 2 Control 00 RW
MIDI Control Registers (LDN 6)
Offset MIDI Default Acc
30 MIDI Activate 00 RW
61-60 MIDI I/O Base Address
0330
RW
70 MIDI IRQ Select 00 RW
Game Port Control Registers (LDN 7)
Offset Game Port Default Acc
30 Game Port Activate 00 RW
61-60 Game Port I/O Base Address
0200
RW
Note: All offsets and default values above are in hexadecimal.
GPIO Control Registers (LDN 8)
Offset General Purpose I/O Default Acc
30 GPIO Activate 00 RW
61-60 GPIO I/O Base Address
E900
RW
70 GPIO Event IRQ Select 00 RW
F0 GPIO Port Select 00 RW
F1 GPIO Pin Configuration 00 RW
F2 GPIO Pin Polarity Define 00 RW
Watchdog Timer Control Registers (LDN 9)
Offset Watch Do
g
Controller Default Acc
30 Watch Dog Activate 00 RW
61-60 Watch Dog I/O Base Address
EA00
RW
70 Watch Dog IRQ Select 00 RW
F0 Watch Dog Configuration 00 RW
Wake-Up Control Registers (LDN A)
Offset Wake-Up Controller Default Acc
30 WUC Activate 00 RW
61-60 WUC I/O Base Address
EB00
RW
70 WUC IRQ Select 00 RW
Hardware Monitor Control Registers (LDN B)
Offset Hardware Monitor Default Acc
30 Hardware Monitor Activate 00 RW
61-60 Hardware Monitor Address
EC00
RW
70 Hardware Monitor IRQ Select 00 RW
Fast IR Control Registers (LDN C)
Offset FIR Controller Default Acc
30 FIR Activate 00 RW
61-60 FIR I/O Base Address
E800
RW
70 FIR IRQ Select 00 RW
74 FIR DRQ Select
06
RW
F0 FIR One DMA Selection 00 RW
ROM Control Registers (LDN D)
Offset ROM Controller Default Acc
30 ROM Interface Activate
01
RW
F0 ROM Decoding Control 00 RW
Note: All offsets and default values above are in hexadecimal.