SAM3N1B Atmel Corporation, SAM3N1B Datasheet - Page 295
SAM3N1B
Manufacturer Part Number
SAM3N1B
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N1B
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
48 MHz
Cpu
Cortex-M3
# Of Touch Channels
17
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Quadrature Decoder Channels
2
Usb Speed
No
Usb Interface
No
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
10
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
8
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
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
no / no
Timers
6
Output Compare Channels
6
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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Table 19-4.
19.2.4.2
11011A–ATARM–04-Oct-10
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
Figure 19-4. SAM3NxA (48 pins) Parallel Programming Timing, Write Sequence
For details on the read handshaking sequence, refer
Figure 19-5. SAM3NxB/C (64/100 pins) Parallel Programming Timing, Read Sequence
MODE[3:0]
DATA[7:0]
MODE[3:0]
DATA[15:0]
NVALID
NVALID
NCMD
NCMD
NOE
RDY
NOE
RDY
1
1
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
2
2
Adress IN
ADDR
3
3
4
5
Z
toFigure 19-5 Figure 19-6
6
4
7
Data OUT
8
5
9
Data I/O
Input
Input
Input
Input
Input
Input
10
11
X
12
13
and
IN
SAM3N
Table
19-5.
295
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