ATSAM3S2AA-AU Atmel, ATSAM3S2AA-AU Datasheet - Page 909
ATSAM3S2AA-AU
Manufacturer Part Number
ATSAM3S2AA-AU
Description
IC MCU 32BIT 128KB FLASH 48LQFP
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S2AA-AU
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
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
32K 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-LQFP
Controller Family/series
ATSAM3S
No. Of I/o's
34
Ram Memory Size
32KB
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
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
Company:
Part Number:
ATSAM3S2AA-AU
Manufacturer:
AMD
Quantity:
101
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- Download datasheet (24Mb)
36.7.30
Name:
Address:
Access:
• WPCMD: Write Protect Command
This command is performed only if the WPKEY value is correct.
0 = Disable the Write Protect SW of the register groups of which the bit WPRGx is at 1.
1 = Enable the Write Protect SW of the register groups of which the bit WPRGx is at 1.
2 = Enable the Write Protect HW of the register groups of which the bit WPRGx is at 1.
3 = No effect.
Note:
• WPRGx: Write Protect Register Group x
0 = The WPCMD command has no effect on the register group x.
1 = The WPCMD command is applied to the register group x.
• WPKEY: Write Protect Key
Should be written at value 0x50574D (“PWM” in ASCII). Writing any other value in this field aborts the write operation of the
WPCMD field. Always reads as 0.
List of register groups:
6500C–ATARM–8-Feb-11
• Register group 0:
• Register group 1:
• Register group 2:
WPRG5
–
–
–
–
–
31
23
15
7
“PWM Clock Register” on page 880
“PWM Disable Register” on page 882
“PWM Sync Channels Mode Register” on page 888
“PWM Channel Mode Register” on page 916
“PWM Stepper Motor Mode Register” on page 908
Only a hardware reset of the PWM controller can disable the Write Protect HW.
PWM Write Protect Control Register
WPRG4
30
22
14
PWM_WPCR
0x400200E4
6
Write-only
WPRG3
29
21
13
5
WPRG2
28
20
12
4
WPKEY
WPKEY
WPKEY
WPRG1
27
19
11
3
WPRG0
26
18
10
2
SAM3S Preliminary
25
17
9
1
WPCMD
24
16
8
0
909
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