SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 389
SAM3U2E
Manufacturer Part Number
SAM3U2E
Description
Manufacturer
Atmel Corporation
Specifications of SAM3U2E
Flash (kbytes)
128 Kbytes
Pin Count
144
Max. Operating Frequency
96 MHz
Cpu
Cortex-M3
# Of Touch Channels
57
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Hi-Speed
Usb Interface
Device
Spi
5
Twi (i2c)
2
Uart
5
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
36
Self Program Memory
YES
External Bus Interface
1
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
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25.16.3
Figure 25-32. Write Enable Timing Configuration
Figure 25-33. Write Enable Timing for NAND Flash Device Data Input Mode.
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
ale
mck
wen
NFC Initialization
Prior to any Command and Data Transfer, the SMC User Interface must be configured to meet
the device timing requirements.
Use NWE_SETUP, NWE_PULSE and NWE_CYCLE to define the write enable waveform
according to the device datasheet.
Use TADL field in the SMC_TIMINGS register to configure the timing between the last address
latch cycle and the first rising edge of WEN for data input.
Use NRD_SETUP, NRD_PULSE and NRD_CYCLE to define the read enable waveform accord-
ing to the device datasheet.
Use TAR field in the SMC_TIMINGS register to configure the timings between address latch
enable falling edge to read enable falling edge.
Use TCLR field in the SMC_TIMINGS register to configure the timings between the command
latch enable falling edge to the read enable falling edge.
• Write enable Configuration
• Read Enable Configuration
mck
wen
t
WEN_SETUP
t
WEN_PULSE
t
WEN_CYCLES
t
ADL
t
WEN_HOLD
SAM3U Series
SAM3U Series
389
389
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