SAM3S2C Atmel Corporation, SAM3S2C Datasheet - Page 990
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SAM3S2C
Manufacturer Part Number
SAM3S2C
Description
Manufacturer
Atmel Corporation
Specifications of SAM3S2C
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
39
Hardware Qtouch Acquisition
No
Max I/o Pins
47
Ext Interrupts
47
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
YES
External Bus Interface
1
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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39.6.12
39.6.13
990
990
SAM3S
SAM3S
Fault Output
Write Protection Registers
The ADC Controller internal fault output is directly connected to PWM fault input. Fault output
may be asserted according to the configuration of ADC_EMR (Extended Mode Register) and
ADC_CWR (Compare Window Register) and converted values. This fault line can be enabled or
disabled within PWM.
In case it is activated and asserted by ADC Controller the PWM outputs will be immediately
placed in a safe state (pure combinational path).
To prevent any single software error that may corrupt ADC behavior, certain address spaces
can be write-protected by setting the WPEN bit in the
(ADC_WPMR).
If a write access to the protected registers is detected, then the WPVS flag in the ADC Write Pro-
tect Status Register (ADC_WPSR) is set and the field WPVSRC indicates in which register the
write access has been attempted.
The WPVS flag is reset by writing the ADC Write Protect Mode Register (ADC_WPMR) with the
appropriate access key, WPKEY.
The protected registers are:
“ADC Mode Register” on page 993
“ADC Channel Sequence 1 Register” on page 996
“ADC Channel Sequence 2 Register” on page 997
“ADC Channel Enable Register” on page 998
“ADC Channel Disable Register” on page 999
“ADC Extended Mode Register” on page 1007
“ADC Compare Window Register” on page 1008
“ADC Channel Gain Register” on page 1009
“ADC Channel Offset Register” on page 1010
“ADC Analog Control Register” on page 1012
“ADC Write Protect Mode Register”
6500C–ATARM–8-Feb-11
6500C–ATARM–8-Feb-11
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