ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 201

• Manufacturer Part Number: ALXD800EEXJ2VD
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of ALXD800EEXJ2VD

• Operating Temperature (min): 0C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

CPU Core Register Descriptions
5.5.2.120 FPU Busy MSR (FPU_BUSY_MSR)
MSR Address
Type
Reset Value
5.5.2.121 FPU Register Map MSR (FPU_MAP_MSR)
MSR Address
Type
Reset Value
AMD Geode™ LX Processors Data Book
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
63:16
63:32
15:0
63:1
31:0
Bit
Bit
Bit
0
Name
RSVD
FPU_TW
Name
RSVD
FPU_BUSY
Name
RSVD
FPU_REG_MAP
00001A13h
RO
00000000_00000000h
00001A14h
RO
00000000_76543210h
Description
Reserved. Write as read.
FPU Tag Word.
Description
Reserved. Reads back as 0.
FPU Busy. Software must check that the FPU is Idle before accessing MSRs
00001A10h-00001A12h and 00001A40h-00001A6Fh
0: FPU Idle.
1: FPU Busy.
Description
Reserved.
FPU Register Map. Internal mapping of architectural registers to physical registers in the
register array.
FPU_BUSY_MSR Bit Descriptions
FPU_MAP_MSR Bit Descriptions
FPU_TW_MSR Bit Descriptions
FPU_BUSY_MSR Register Map
FPU_MAP_MSR Register Map
FPU_REG_MAP
RSVD
RSVD
RSVD
9
9
8
8
33234C
7
7
6
6
5
5
4
4
3
3
2
2
1
1
201
0
0