AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 39
AT91SAM9G45-CU-999
Manufacturer Part Number
AT91SAM9G45-CU-999
Description
IC MCU ARM9 APMC 324TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9G45-EKES.pdf
(1218 pages)
Specifications of AT91SAM9G45-CU-999
Core Processor
ARM9
Core Size
16/32-Bit
Speed
400MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB
Peripherals
AC'97, DMA, I²S, LCD, POR, PWM, WDT
Number Of I /o
160
Program Memory Size
64KB (64K x 8)
Program Memory Type
ROM
Ram Size
128K x 8
Voltage - Supply (vcc/vdd)
0.9 V ~ 1.1 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
324-TFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Supplier Unconfirmed
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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9.4.8
6438F–ATARM–21-Jun-10
ARM Instruction Set Overview
pipeline. If the instruction is not executed, for example because a branch occurs while it is in the
pipeline, the abort does not take place.
The breakpoint (BKPT) instruction is a new feature of ARM9EJ-S that is destined to solve the
problem of the Prefetch Abort. A breakpoint instruction operates as though the instruction
caused a Prefetch Abort.
A breakpoint instruction does not cause the ARM9EJ-S to take the Prefetch Abort exception until
the instruction reaches the Execute stage of the pipeline. If the instruction is not executed, for
example because a branch occurs while it is in the pipeline, the breakpoint does not take place.
The ARM instruction set is divided into:
ARM instructions can be executed conditionally. Every instruction contains a 4-bit condition
code field (bits[31:28]).
For further details, see the ARM Technical Reference Manual.
Table 9-2
Table 9-2.
Mnemonic
• Branch instructions
• Data processing instructions
• Status register transfer instructions
• Load and Store instructions
• Coprocessor instructions
• Exception-generating instructions
SMULL
SMLAL
LDRSH
LDRSB
MOV
ADD
CMP
AND
EOR
MUL
MSR
SUB
RSB
LDR
TST
BX
B
gives the ARM instruction mnemonic list.
ARM Instruction Mnemonic List
Operation
Move
Add
Subtract
Reverse Subtract
Compare
Test
Logical AND
Logical Exclusive OR
Multiply
Sign Long Multiply
Signed Long Multiply Accumulate
Move to Status Register
Branch and Exchange
Load Word
Load Signed Halfword
Load Signed Byte
Branch
Mnemonic
UMULL
UMLAL
CMN
MVN
ORR
MRS
ADC
SBC
RSC
TEQ
MLA
STR
SWI
BIC
BL
AT91SAM9G45
Operation
Move Not
Add with Carry
Subtract with Carry
Reverse Subtract with Carry
Compare Negated
Test Equivalence
Bit Clear
Logical (inclusive) OR
Multiply Accumulate
Unsigned Long Multiply
Unsigned Long Multiply
Accumulate
Move From Status Register
Branch and Link
Software Interrupt
Store Word
39
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