SAM3S4B Atmel Corporation, SAM3S4B Datasheet - Page 9

• 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

Table 3-1.
Notes:
6500C–ATARM–8-Feb-11
Signal Name
PGMEN0-PGMEN2
PGMM0-PGMM3
PGMD0-PGMD15
PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMNCMD
DDM
DDP
1. Schmitt Triggers can be disabled through PIO registers.
2. Some PIO lines are shared with System IOs.
3. Refer to the “USB” sub section in the product “Electrical Characteristics” Section for Pull-down value in USB Mode.
4. See
Signal Description List (Continued)
Section 5.3 “Typical Powering Schematics”
Function
Programming Enabling
Programming Mode
Programming Data
Programming Ready
Data Direction
Programming Read
Programming Clock
Programming Command
USB Full Speed Data -
USB Full Speed Data +
Fast Flash Programming Interface - FFPI
USB Full Speed Device
for restriction on voltage range of Analog Cells.
Analog,
Output
Output
Digital
Type
Input
Input
Input
Input
Input
I/O
Active
Level
High
Low
Low
Low
VDDIO
reference Comments
Voltage
VDDIO
VDDIO
Reset State:
- USB Mode
- Internal Pull-down
SAM3S
(3)
9