Motorola MPC823e User Manual

Data Cache
MOTOROLA MPC823e REFERENCE MANUAL 10-7
DATA CACHE
10
10.3.3.2 DATA CACHE ADDRESS REGISTER. The data cache address register
(DC_ADR) contains the address to be used in the command programmed in the CMD field
of the DC_CST. It also may contain the internal address for the read tags and register
operation.
ADR—Address
This field represents the address to be used in the command programmed in the DC_CST.
It is also the internal address used to read tags and registers.
10.3.3.3 READING THE CACHE STRUCTURES. To read the data stored in the data
cache tags or registers, follow these steps:
1. Write to the DC_ADR. This register can also be read for debugging purposes.
2. Read the DC_DAT register.
DC_ADR
BIT
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
FIELD ADR
RESET —
R/W R/W
SPR 569
BIT
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
FIELD ADR
RESET —
R/W R/W
SPR 569
NOTE: — = Undefined.

Motorola MPC823e Specifications

General

Brand	Motorola
Model	MPC823e
Category	Computer Hardware
Language	English