ATSAM3S4CA-AU Atmel, ATSAM3S4CA-AU Datasheet - Page 299
ATSAM3S4CA-AU
Manufacturer Part Number
ATSAM3S4CA-AU
Description
IC MCU 32BIT 256KB FLASH 100LQFP
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S4CA-AU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
64MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
79
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 16x10/12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Controller Family/series
ATSAM3S
No. Of I/o's
79
Ram Memory Size
48KB
Cpu Speed
64MHz
No. Of Timers
6
Rohs Compliant
Yes
Processor Series
ATSAM3x
Core
ARM Cortex M3
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3S-EK
Cpu Family
AT91
Device Core
ARM Cortex-M3
Device Core Size
32b
Frequency (max)
64MHz
Total Internal Ram Size
48KB
# I/os (max)
79
Number Of Timers - General Purpose
6
Operating Supply Voltage (typ)
1.8/3.3V
Operating Supply Voltage (max)
1.95/3.6V
Operating Supply Voltage (min)
1.62V
On-chip Adc
16-chx12-bit
On-chip Dac
2-chx12-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATSAM3S4CA-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 299 of 1118
- Download datasheet (24Mb)
18.3.3.5
6500C–ATARM–8-Feb-11
GPNVM Bit
The lock sequence is:
One error can be detected in the EEFC_FSR register after a programming sequence:
It is possible to clear lock bits previously set. Then the locked region can be erased or pro-
grammed. The unlock sequence is:
One error can be detected in the EEFC_FSR register after a programming sequence:
The status of lock bits can be returned by the Enhanced Embedded Flash Controller (EEFC).
The Get Lock Bit status sequence is:
For example, if the third bit of the first word read in the EEFC_FRR is set, then the third lock
region is locked.
One error can be detected in the EEFC_FSR register after a programming sequence:
Note:
GPNVM bits do not interfere with the embedded Flash memory plane. Refer to the product defi-
nition section for information on the GPNVM Bit Action.
The set GPNVM bit sequence is:
• The Set Lock command (SLB) and a page number to be protected are written in the Flash
• When the locking completes, the FRDY bit in the Flash Programming Status Register
• If the lock bit number is greater than the total number of lock bits, then the command has no
• a Command Error: a bad keyword has been written in the EEFC_FCR register.
• The Clear Lock command (CLB) and a page number to be unprotected are written in the
• When the unlock completes, the FRDY bit in the Flash Programming Status Register
• If the lock bit number is greater than the total number of lock bits, then the command has no
• a Command Error: a bad keyword has been written in the EEFC_FCR register.
• The Get Lock Bit command (GLB) is written in the Flash Command Register, FARG field is
• Lock bits can be read by the software application in the EEFC_FRR register. The first word
• a Command Error: a bad keyword has been written in the EEFC_FCR register.
• Start the Set GPNVM Bit command (SGPB) by writing the Flash Command Register with the
Command Register.
(EEFC_FSR) rises. If an interrupt has been enabled by setting the FRDY bit in EEFC_FMR,
the interrupt line of the NVIC is activated.
effect. The result of the SLB command can be checked running a GLB (Get Lock Bit)
command.
Flash Command Register.
(EEFC_FSR) rises. If an interrupt has been enabled by setting the FRDY bit in EEFC_FMR,
the interrupt line of the NVIC is activated.
effect.
meaningless.
read corresponds to the 32 first lock bits, next reads providing the next 32 lock bits as long as
it is meaningful. Extra reads to the EEFC_FRR register return 0.
SGPB command and the number of the GPNVM bit to be set.
Access to the Flash in read is permitted when a set, clear or get lock bit command is performed.
SAM3S Preliminary
299
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