SAM3S4B Atmel Corporation, SAM3S4B Datasheet - Page 978

• 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

39.3
Figure 39-1. Analog-to-Digital Converter Block Diagram
39.4
Table 39-1.
Note:
978
978
Pin Name
ADVREF
AD0 - AD15
ADTRG
Analog
Inputs
ADVREF
Block Diagram
ADTRG
Signal Description
1. AD15 is not an actual pin but is connected to a temperature sensor.
GND
AD0
AD1
ADn
SAM3S
SAM3S
ADC Pin Description
PIO
Selection
Channels
Trigger
Counter
• Standby Mode for Fast Wakeup Time Response
• Automatic Window Comparison of Converted Values
• Write Protect Registers
Timer
IN+
IN-
– Automatic Wakeup on Trigger and Back to Sleep Mode after Conversions of all
– Possibility of Customized Channel Sequence
– Power Down Capability
OFFSET
Enabled Channels
S/H
Description
Reference voltage
Analog input channels
External trigger
ADC 12-Bit Controller
ADC cell
PGA
12-bit Analog-to-Digital
Cyclic Pipeline
Converter
(1)
Interface
Control
Logic
User
CHx
ADC Interrupt
PDC
Interrupt
Controller
6500C–ATARM–8-Feb-11
6500C–ATARM–8-Feb-11
Peripheral Bridge
AHB
APB