mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 205
mpc823rg
Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC823RG.pdf
(1348 pages)
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Data Cache
10.2 ORGANIZATION OF THE DATA CACHE
The data cache is a 1K two-way, set associative, physically addressed cache that has
16-byte line and a 32-bit data path to and from the load/store unit, which allows for a 4-byte
transfer per cycle.
MMU
0
23
SET0
SET1
SET30
SET31
23
HIT0
COMP
Freescale Semiconductor, Inc.
TAG0
TAG1
TAG126
TAG127
Figure 10-1. Data Cache Organization
For More Information On This Product,
HIT
23
MPC823 REFERENCE MANUAL
EFFECTIVE ADDRESS
Go to: www.freescale.com
WAY0
W0 W1 W2 W3
W0 W1 W2 W3
W0 W1 W2 W3
W0 W1 W2 W3
W2
128
HIT1
. .
. .
. .
. .
BIDIRECTIONAL MUX 2 -> 1
5
TO/FROM LINE BUFFER/
R
U
A
R
R
A
Y
L
22
BURST BUFFER
. .
. .
. .
. .
23
COMP
TAG0
TAG1
TAG30
TAG31
128
23
W0 W1 W2 W3
W0 W1 W2 W3
W0 W1 W2 W3
W0 W1 W2 W3
WAY1
27
28
BYTE SELECT
W2
128
4
31
MOTOROLA
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