Product specifications

VT1211 LPC SuperIO and Hardware Monitor
Revision 1.0 January 8, 2002 -16- Register Summary Tables
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Register Summary Tables
Table 3. Register Summary – Configuration Index
Index Port and Data Port Registers
I/O Port Function Default Acc
2E or 4E Configuration Index 00 RW
2F or 4F Configuration Data 00 RW
Configuration Space Registers
Offset Super I/O Control Default Acc
0-6 -reserved- 00 –
7 Logical Device Number – RW
8-1F -reserved- 00 –
20 Device ID
3C RO
21 Device Revision
01 RO
22 Power Down Control 00 RW
23 LPC Wait State Select
11
RW
24 GPIO Port 1 Pin Select 00 RW
25 GPIO Port 2 Pin Select 00 RW
26 GPIO Port 7 Pin Select 00 RW
27 UART2 Multi Function Pin Select 00 RW
28 MIDI Multi Function Pin Select 00 RW
29 HWM Multifunction Pin Select 00 RW
2A-2D -reserved- 00 –
2E Test Mode A (Do not Program) 00 RW
2F Test Mode B (Do not Program) 00 RW
30-FF -reserved- 00 –
Note: All offsets and default values above are in hexadecimal.
Table 4. Register Summary – LDN Assignments
Logical Device Number (LDN) Assignments
LDN Functional Block
00 Floppy Disk Controller (FDC)
01 Parallel Port (PP)
02 Serial Port 1 (UART1)
03 Serial Port 2 (UART2)
04 -reserved-
05 -reserved-
06 MIDI
07 Game Port (GMP)
08 GPIO
09 Watch Dog (WDG)
0A Wake-up Control (WUC)
0B Hardware Monitor (HM)
0C Very Fast IR (VFIR)
0D Flash ROM (ROM)
Note: All offsets above are in hexadecimal.
See following page for LDN register summary tables