SAM3U2C Atmel Corporation, SAM3U2C Datasheet - Page 219

• Manufacturer Part Number: SAM3U2C
• Manufacturer: Atmel Corporation

Specifications of SAM3U2C

• Flash (kbytes): 128 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 96 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 28
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 57
• Ext Interrupts: 57
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device
• Spi: 4
• Twi (i2c): 1
• Uart: 4
• Ssc: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• 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

6430E–ATARM–29-Aug-11
Table 13-37. TEX, C, B, and S encoding (Continued)
1.
Table 13-38
range 4-7.
Table 13-38. Cache policy for memory attribute encoding
Table 13-39
unprivileged software.
Table 13-39. AP encoding
TEX
b001
b010
b1B
B
Encoding, AA or BB
00
01
10
11
AP[2:0]
000
001
010
011
100
The MPU ignores the value of this bit.
C
0
1
0
1
A
Privileged
permissions
No access
RW
RW
RW
Unpredictable
shows the cache policy for memory attribute encodings with a TEX value is in the
shows the AP encodings that define the access permissions for privileged and
B
0
1
0
1
0
1
x
A
(1)
S
0
1
x
x
0
1
x
x
x
0
1
(1)
(1)
(1)
(1)
(1)
Corresponding cache policy
Non-cacheable
Write back, write and read allocate
Write through, no write allocate
Write back, no write allocate
Memory type
Normal
Reserved encoding
Implementation defined
attributes.
Normal
Device
Reserved encoding
Reserved encoding
Normal
Unprivileged
permissions
No access
No access
RO
RW
Unpredictable
Shareability
Not
shareable
Shareable
Not
shareable
Shareable
Not
shareable
Not
shareable
Shareable
Description
All accesses generate a permission fault
Access from privileged software only
Writes by unprivileged software generate a permission
fault
Full access
Reserved
Other attributes
-
-
Outer and inner write-back. Write and
read allocate.
Nonshared Device.
-
-
SAM3U Series
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