ATSAM3S-EK Atmel, ATSAM3S-EK Datasheet - Page 89
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ATSAM3S-EK
Manufacturer Part Number
ATSAM3S-EK
Description
KIT EVAL FOR ATSAM3S4C
Manufacturer
Atmel
Series
SAM3Sr
Type
MCUr
Specifications of ATSAM3S-EK
Contents
Board, Cables, Power Supply
Silicon Manufacturer
Atmel
Core Architecture
ARM
Core Sub-architecture
Cortex-M3
Kit Contents
Board
Features
TFT Colour LCD Display, SD/MMC Interface
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
Yes
For Use With/related Products
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3S-EK
Manufacturer:
Atmel
Quantity:
135
- Current page: 89 of 1118
- Download datasheet (24Mb)
10.12.2
10.12.2.1
10.12.2.2
10.12.2.3
10.12.2.4
6500C–ATARM–8-Feb-11
LDR and STR, immediate offset
Syntax
Operation
Offset addressing
Pre-indexed addressing
Load and Store with immediate offset, pre-indexed immediate offset, or post-indexed immediate
offset.
where:
op
type
cond
Rt
Rn
offset
Rt2
LDR instructions load one or two registers with a value from memory.
STR instructions store one or two register values to memory.
Load and store instructions with immediate offset can use the following addressing modes:
The offset value is added to or subtracted from the address obtained from the register Rn. The
result is used as the address for the memory access. The register Rn is unaltered. The assem-
bly language syntax for this mode is:
The offset value is added to or subtracted from the address obtained from the register Rn. The
result is used as the address for the memory access and written back into the register Rn. The
assembly language syntax for this mode is:
op{type}{cond} Rt, [Rn {, #offset}]
op{type}{cond} Rt, [Rn, #offset]!
op{type}{cond} Rt, [Rn], #offset
opD{cond} Rt, Rt2, [Rn {, #offset}]
opD{cond} Rt, Rt2, [Rn, #offset]!
opD{cond} Rt, Rt2, [Rn], #offset
[Rn, #offset]
LDR
STR
B
SB
H
SH
-
is one of:
Load Register.
Store Register.
is one of:
unsigned byte, zero extend to 32 bits on loads.
signed byte, sign extend to 32 bits (LDR only).
unsigned halfword, zero extend to 32 bits on loads.
signed halfword, sign extend to 32 bits (LDR only).
omit, for word.
is an optional condition code, see
is the register to load or store.
is the register on which the memory address is based.
is an offset from Rn. If offset is omitted, the address is the contents of Rn.
is the additional register to load or store for two-word operations.
“Conditional execution” on page
; immediate offset
; pre-indexed
; post-indexed
; immediate offset, two words
; pre-indexed, two words
; post-indexed, two words
SAM3S Preliminary
84.
89
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