AGXD533AAXF0CC AMD (ADVANCED MICRO DEVICES), AGXD533AAXF0CC Datasheet - Page 326

• Manufacturer Part Number: AGXD533AAXF0CC
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AGXD533AAXF0CC

• Device Core: X86
• Device Core Size: 64b
• Frequency (max): 400MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.5V
• Operating Supply Voltage (max): 1.58V
• Operating Supply Voltage (min): 1.42V
• Operating Temp Range: 0C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 368
• Package Type: BGD
• Lead Free Status / Rohs Status: Not Compliant

6.6.16
The Extended registers are accessed by writing an index value to the CRTC Index register (Address 3B4h or 3D4h) and
reading or writing the register using the CRTC Data register (Address 3B5h or 3D5h). See the description of the I/O
Address Select (bit 0) in the Miscellaneous Output register (Table 6.6.10.1 "Miscellaneous Output" on page 294) for more
information on the I/O address of the CRTC registers.
Note 1. R/W when unlocked, RO otherwise (see Section 6.6.16.1 "ExtendedRegisterLock") for details.
6.6.16.1
CRTC Index
Type
Reset Value
326
Bit
7:0
Index
30h
43h
44h
47h
48h
60h
61h
70h
71h
VGA Block Extended Registers
ExtendedRegisterLock
Name
LOCK
R/W (Note 1)
30h
R/W
FFh
Type
R/W
31505E
ExtendedRegisterLock Register Bit Descriptions
Description
Lock. A value of 4Ch unlocks the extended registers. Any other value locks the extended
registers so they are read only. If the extended registers are currently locked, a read to
this register returns FFh. If they are unlocked, a read returns 00h.
Register
ExtendedRegisterLock
ExtendedModeControl
ExtendedStartAddress
WriteMemoryAperture
ReadMemoryAperture
BlinkCounterCtl (for Sim/Test)
BlinkCounter (for Sim/Test)
VGALatchSavRes
DACIFSavRes
Table 6-50. Extended Registers Summary
AMD Geode™ GX Processors Data Book
Display Controller Register Descriptions
Reset Value
FFh
00h
00h
00h
00h
00h
00h
00h
00h
Reference
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