ATSAM3S4AA-MU Atmel, ATSAM3S4AA-MU Datasheet - Page 136

• Manufacturer Part Number: ATSAM3S4AA-MU
• Description: IC MCU 32BIT 256KB FLASH 48QFN
• Manufacturer: Atmel
• Series: SAM3Sr

Specifications of ATSAM3S4AA-MU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.62 V ~ 1.95 V
• Data Converters: A/D 8x10/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• 3rd Party Development Tools: JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3S-EK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

10.17.4.5
136
Case1
; an instruction sequence follows
Case2
; an instruction sequence follows
Case3
; an instruction sequence follows
BranchTable_Byte
BranchTable_H
CaseA
; an instruction sequence follows
CaseB
; an instruction sequence follows
CaseC
; an instruction sequence follows
ADR.W
TBB
DCB
DCB
DCB
TBH
DCI
DCI
DCI
SAM3S Preliminary
Examples
[R0, R1]
R0, BranchTable_Byte
0
((Case2-Case1)/2)
((Case3-Case1)/2)
[PC, R1, LSL #1]
((CaseA - BranchTable_H)/2)
((CaseB - BranchTable_H)/2)
((CaseC - BranchTable_H)/2)
; R1 is the index, R0 is the base address of the
; branch table
; Case1 offset calculation
; Case2 offset calculation
; Case3 offset calculation
; R1 is the index, PC is used as base of the
; branch table
; CaseA offset calculation
; CaseB offset calculation
; CaseC offset calculation
6500C–ATARM–8-Feb-11