sc3200 Advanced Micro Devices, sc3200 Datasheet - Page 227

• Manufacturer Part Number: sc3200
• Description: Geode-tm Sc3200 Processor
• Manufacturer: Advanced Micro Devices

Core Logic Module - Bridge, GPIO, and LPC Registers - Function 0
AMD Geode™ SC3200 Processor Data Book
Index 89h
Table 6-29. F0: PCI Header/Bridge Configuration Registers for GPIO and LPC Support (Continued)
Bit
7
6
5
4
3
2
1
0
Description
General Purpose Timer 1 TImebase. Selects timebase for General Purpose Timer 1 (F0 Index 88h).
0: 1 second.
1: 1 millisecond.
Re-trigger General Purpose Timer 1 on User Defined Device 3 (UDEF3) Activity.
0: Disable.
1: Enable.
Any access to the configured (memory or I/O) address range for UDEF3 (configured in F0 Index C8h and CEh) reloads
General Purpose Timer 1.
Re-trigger General Purpose Timer 1 on User Defined Device 2 (UDEF2) Activity.
0: Disable.
1: Enable.
Any access to the configured (memory or I/O) address range for UDEF2 (configured in F0 Index C4h and CDh) reloads
General Purpose Timer 1.
Re-trigger General Purpose Timer 1 on User Defined Device 1 (UDEF1) Activity.
0: Disable.
1: Enable.
Any access to the configured (memory or I/O) address range for UDEF1 (configured in F0 Index C0h and CCh) reloads
General Purpose Timer 1.
Re-trigger General Purpose Timer 1 on Keyboard or Mouse Activity.
0: Disable.
1: Enable.
Any access to the keyboard or mouse I/O address range listed below reloads General Purpose Timer 1:
Re-trigger General Purpose Timer 1 on Parallel/Serial Port Activity.
0: Disable.
1: Enable.
Any access to the parallel or serial port I/O address range listed below reloads the General Purpose Timer 1:
Re-trigger General Purpose Timer 1 on Floppy Disk Activity.
0: Disable.
1: Enable.
Any access to the floppy disk drive address ranges listed below reloads General Purpose Timer 1:
The active floppy disk drive is configured via F0 Index 93h[7].
Re-trigger General Purpose Timer 1 on Primary Hard Disk Activity.
0: Disable.
1: Enable.
Any access to the primary hard disk address range selected in F0 Index 93h[5], reloads General Purpose Timer 1.
— Keyboard Controller: I/O Ports 060h/064h.
— COM1: I/O Port 3F8h-3FFh (if F0 Index 93h[1:0] = 10 this range is included).
— COM2: I/O Port 2F8h-2FFh (if F0 Index 93h[1:0] = 11 this range is included).
— LPT1: I/O Port 3BCh-3BEh.
— LPT2: I/O Port 378h-37Fh.
— COM1: I/O Port 3F8h-3FFh (if F0 Index 93h[1:0] = 10 this range is excluded).
— COM2: I/O Port 2F8h-2FFh (if F0 Index 93h[1:0] = 11 this range is excluded).
— COM3: I/O Port 3E8h-3EFh.
— COM4: I/O Port 2E8h-2EFh.
— Primary floppy disk: I/O Port 3F2h-3F5h, 3F7h
— Secondary floppy disk: I/O Port 372h-375h, 377h
General Purpose Timer 1 Control Register (R/W)
Revision 5.1
Reset Value: 00h
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