SAM3S4B Atmel Corporation, SAM3S4B Datasheet - Page 1066

• Manufacturer Part Number: SAM3S4B
• Manufacturer: Atmel Corporation

Specifications of SAM3S4B

• Flash (kbytes): 256 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 64 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 23
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 79
• Ext Interrupts: 79
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• 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: 10
• 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): 48
• Self Program Memory: YES
• 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: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

41.9
Table 41-41. Analog Comparator Characteristics
41.10 Temperature Sensor
Table 41-42. Temperature Sensor Characteristics
1066
Parameter
Voltage Range
Input Voltage Range
Input Offset Voltage
Current Consumption
Hysteresis
Settling Time
Symbol
V
Δ
dV
T
I
VDDCORE
V
START-UP
T
T
T
/dT
Analog Comparator Characteristics
SAM3S
Parameter
Output Voltage
Output Voltage Accuracy
Temperature Sensitivity (slope
voltage versus temperature
Slope accuracy
Temperature accuracy
Startup Time
Output Impedance
Current Consumption
The temperature sensor is connected to Channel 15 of the ADC.
The temperature sensor provides an output voltage (V
ature (PTAT). The V
mV/°C.
The V
dV
voltage.
The user needs to calibrate it (offset calibration) at ambient temperature in order to get rid of the
VT spread at ambient temperature (+/-15%).
T
/dT = 2.65 mV/°C only shows a ±5% slight variation over process, mismatch and supply
T
voltage equals 0.8V at 27°C, with a ±15% accuracy. The V
Conditions
The Analog Comparator is supplied by
VDDIN
On VDDIN
Low Power Option (ISEL = 0)
High Speed Option (ISEL = 1)
HYST = 0x00
HYST = 0x01 or 0x10
HYST = 0x11
Given for overdrive > 100 mV
Low Power Option
High Speed Option
T° = 27° C
Conditions
T° = 27° C
after offset calibration
over temperature range [-40°C / +85°C]
after offset calibration
over temperature range [0°C / +80°C]
After TSON = 1
T
output voltage linearly varies with a temperature slope dV
GND + 0.2
1.62
Min
T
) that is proportional to absolute temper-
Min
-15
-5
-5
-3
Typ
3.3
16
35
0
T
slope versus temperature
0.800
2.65
Typ
20
50
VDDIN - 0.2
Max
170
3.6
0.1
20
25
50
90
6500C–ATARM–8-Feb-11
0
1
Max
+15
100
+5
+5
+3
40
30
T
/dT = 2.65
Units
mV/°C
Units
mV
mV
µA
µs
µA
V
V
°C
°C
µs
%
%
Ω
V