SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 2
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SAM3U4E
Manufacturer Part Number
SAM3U4E
Description
Manufacturer
Atmel Corporation
Specifications of SAM3U4E
Flash (kbytes)
256 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)
50
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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1. SAM3U Description
1.1
Table 1-1.
Note:
2
Device
SAM3U4E
SAM3U2E
SAM3U1E
SAM3U4C
SAM3U2C
SAM3U1C
Configuration Summary
1. The SRAM size takes into account the 4-Kbyte RAM buffer of the NAND Flash Controller (NFC) which can be used by the
SAM3U Series
core if not used by the NFC.
Flash
2x128
Kbytes
128
Kbytes
64
Kbytes
2 x 128
Kbytes
128
Kbytes
64
Kbytes
Configuration Summary
Flash
Organization SRAM
dual plane
single plane
single plane
dual plane
single plane
single plane
Atmel's SAM3U series is a member of a family of Flash microcontrollers based on the high per-
formance 32-bit ARM Cortex-M3 RISC processor. It operates at a maximum speed of 96 MHz
and features up to 256 Kbytes of Flash and up to 52 Kbytes of SRAM. The peripheral set
includes a High Speed USB Device port with embedded transceiver, a High Speed MCI for
SDIO/SD/MMC, an External Bus Interface with NAND Flash controller, up to 4xUSARTs
(SAM3U1C/2C/4C have 3), up to 2xTWIs (SAM3U1C/2C/4C have 1), up to 5xSPIs
SAM3U1C/2C/4C have 4), as well as 4xPWM timers, 3xgeneral purpose 16-bit timers, an RTC,
a 12-bit ADC and a 10-bit ADC.
The SAM3U architecture is specifically designed to sustain high speed data transfers. It includes
a multi-layer bus matrix as well as multiple SRAM banks, PDC and DMA channels that enable it
to run tasks in parallel and maximize data throughput.
It can operate from 1.62V to 3.6V and comes in 100-pin and 144-pin LQFP and BGA packages.
The SAM3U device is particularly well suited for USB applications: data loggers, PC peripherals
and any high speed bridge (USB to SDIO, USB to SPI, USB to External Bus Interface).
The SAM3U series differ in memory sizes, package and features list.
configurations of the six devices.
52
Kbytes
36
Kbytes
20
Kbytes
52
Kbytes
36
Kbytes
20
Kbytes
Number
of PIOs
96
96
96
57
57
57
Number
of
USARTs
4
4
4
3
3
3
Number
of TWI
2
2
2
1
1
1
FWUP,
SHDN
pins
Yes
Yes
Yes
FWUP
FWUP
FWUP
External Bus
Interface
8 or 16 bits,
4 chip selects,
24-bit address
8 or 16 bits,
4 chip selects
24-bit address
8 or 16 bits,
4 chip selects,
24-bit address
8 bits,
2 chip selects,
8-bit address
8 bits,
2 chip selects, 8-
bit address
8 bits
2 chip selects,
8-bit address
HSMCI
data
size
8 bits
8 bits
8 bits
4 bits
4 bits
4 bits
Table 1-1
Package
LQFP144
BGA144
LQFP144
BGA144
LQFP144
BGA144
LQFP100
BGA100
LQFP100
BGA100
LQFP100
BGA100
6430E–ATARM–29-Aug-11
summarizes the
ADC
2 (8+ 8
channels)
2 (8+ 8
channels)
2 (8+ 8
channels)
2 (4+ 4
channels)
2 (4+ 4
channels)
2 (4+ 4
channels)
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