SAM3S1B Atmel Corporation, SAM3S1B Datasheet - Page 311

• Manufacturer Part Number: SAM3S1B
• Manufacturer: Atmel Corporation

Specifications of SAM3S1B

• Flash (kbytes): 64 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 64 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 23
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 34
• Ext Interrupts: 34
• 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): 16
• 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

Figure 19-4. SAM3SxA (48 pins) Parallel Programming Timing, Write Sequence
Table 19-4.
19.2.4.2
Figure 19-5. SAM3SxB/C (64/100 pins) Parallel Programming Timing, Read Sequence
6500C–ATARM–8-Feb-11
Step
1
2
3
4
5
6
Programmer Action
Sets MODE and DATA signals
Clears NCMD signal
Waits for RDY low
Releases MODE and DATA signals
Sets NCMD signal
Waits for RDY high
Read Handshaking
Write Handshake
MODE[3:0]
MODE[3:0]
DATA[15:0]
DATA[7:0]
For details on the read handshaking sequence, refer to
NVALID
NVALID
NCMD
NCMD
NOE
NOE
RDY
RDY
1
1
2
2
Adress IN
ADDR
3
3
Device Action
Waits for NCMD low
Latches MODE and DATA
Clears RDY signal
Executes command and polls NCMD high
Executes command and polls NCMD high
Sets RDY
4
5
Z
4
6
7
Data OUT
5
8
9
Figure
10
11
X
19-5,
12
13
Figure 19-6
IN
Data I/O
Input
Input
Input
Input
Input
Input
and
SAM3S
Table
19-5.
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