mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 146

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

The PowerPC Core
6.4.1 Control Registers
The following tables describe the core control registers, also known as special-purpose
registers, implemented within the MPC823.
NOTES:
DECIMAL
DECIMAL
272
273
274
275
287
268
269
284
285
18
19
22
26
27
1
8
9
1.
2.
3.
Extended opcode for mftb, 371 rather then 339.
Any write (mtspr) to this address results in an implementation-dependent software emulation interrupt.
Any read (mftb) to this address results in an implementation-dependent software emulation interrupt.
SPR
SPR
00000
00000
00000
00000
00000
00000
00000
00000
01000
01000
01000
01000
01000
01000
01000
01000
01000
SPR
SPR
5:9
5:9
Table 6-8. Standard Timebase Register Mapping
Table 6-7. Standard Special-Purpose Registers
Freescale Semiconductor, Inc.
For More Information On This Product,
SPR
SPR
00001
01000
01001
10010
10011
10110
11010
11011
10000
10001
10010
10011
11111
01100
01101
11100
11101
MPC823 REFERENCE MANUAL
0:4
0:4
Go to: www.freescale.com
REGISTER
REGISTER
TBU Read
TBU Write
TBL Read
TBL Write
SPRG0
SPRG1
SPRG2
SPRG3
NAME
DSISR
NAME
SRR0
SRR1
DAR
DEC
XER
CTR
PVR
LR
PRIVILEGED
PRIVILEGED
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Write:
Read:
Write:
Read:
Write:
Read:
No (Read-Only Register)
SERIALIZE ACCESS
SERIALIZE ACCESS
Write - As a Store
Write - As a Store
Write - As a Store
Write - As a Store
Full Sync
Sync Relative to Load/
Store Operations
Full Sync
Sync Relative to Load/
Store Operations
Full Sync
Sync Relative to Load/
Store Operations
Write
Write
Write
Write
Write
Write
Write
No
No
MOTOROLA