mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 1238
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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lwbrx
Assembler Syntax
Definition
Operation
Description
FIELD
FIELD
BIT
BIT
16
0
17
1
18
B
2
Freescale Semiconductor, Inc.
31
For More Information On This Product,
19
3
else b
EA
rD
MEM(EA, 1)
addressed by EA are loaded into the low-order 8 bits of rD. Bits
8–15 of the word in memory addressed by EA are loaded into the
subsequent low-order 8 bits of rD. Bits 16–23 of the word in
memory addressed by EA are loaded into the subsequent
low-order eight bits of rD. Bits 24–31 of the word in memory
addressed by EA are loaded into the subsequent low-order 8 bits
of rD. The MPC823 may run the lwbrx instructions with greater
latency than other types of load instructions.
Other registers altered:
lwbrx
Load Word Byte-Reverse Indexed
if rA = 0 then b
EA is the sum (rA|0) + rB. Bits 0–7 of the word in memory
POWERPC ARCHITECTURE
20
MPC823 REFERENCE MANUAL
4
MEM(EA + 3, 1) || MEM(EA + 2, 1) || MEM(EA + 1, 1) ||
b + (rB)
None
Go to: www.freescale.com
21
(rA)
5
LEVEL
UISA
rD,rA,rB
22
6
23
7
24
D
8
25
9
SUPERVISOR
534
LEVEL
10
26
MPC823 Instruction Set—lwbrx
11
27
OPTIONAL
12
28
13
29
A
14
30
FORM
X
B-85
15
31
0
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